<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a01b6f-1646-7a64-a5de-94e29aab1c8c,g:3bd950a0-5240-47cd-8ba1-b88160ae588f-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://csdisco.com/role/CondensedConsolidatedStatementsofChangesinStockholdersEquity" xlink:type="simple" xlink:href="law-20260930.xsd#CondensedConsolidatedStatementsofChangesinStockholdersEquity"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/CondensedConsolidatedStatementsofChangesinStockholdersEquity" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_01a01b6f-16e2-768e-85a9-5b4094fc5ec0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_01a01b6f-16e2-7e78-a729-891a617aa2e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_01a01b6f-16e2-768e-85a9-5b4094fc5ec0" xlink:to="loc_us-gaap_StatementTable_01a01b6f-16e2-7e78-a729-891a617aa2e3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_01a01b6f-16e2-7af2-b276-7de000c2cf5a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_01a01b6f-16e2-7e78-a729-891a617aa2e3" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_01a01b6f-16e2-7af2-b276-7de000c2cf5a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_01a01b6f-16e2-7af2-b276-7de000c2cf5a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_01a01b6f-16e2-7af2-b276-7de000c2cf5a" xlink:to="loc_us-gaap_EquityComponentDomain_01a01b6f-16e2-7af2-b276-7de000c2cf5a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_01a01b6f-16e2-7e49-b1a7-1f86acd53bac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_01a01b6f-16e2-7af2-b276-7de000c2cf5a" xlink:to="loc_us-gaap_EquityComponentDomain_01a01b6f-16e2-7e49-b1a7-1f86acd53bac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_01a01b6f-16e2-73f1-96d8-8dbdc5b4ac33" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_01a01b6f-16e2-7e49-b1a7-1f86acd53bac" xlink:to="loc_us-gaap_CommonStockMember_01a01b6f-16e2-73f1-96d8-8dbdc5b4ac33" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_01a01b6f-16e2-794c-ab5c-f0820f144a68" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_01a01b6f-16e2-7e49-b1a7-1f86acd53bac" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_01a01b6f-16e2-794c-ab5c-f0820f144a68" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_01a01b6f-16e2-71f1-ac57-58fd5d893f22" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_01a01b6f-16e2-7e49-b1a7-1f86acd53bac" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_01a01b6f-16e2-71f1-ac57-58fd5d893f22" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_01a01b6f-16e2-7cfa-a8a6-7ad07f3f43ac" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_01a01b6f-16e2-7e49-b1a7-1f86acd53bac" xlink:to="loc_us-gaap_RetainedEarningsMember_01a01b6f-16e2-7cfa-a8a6-7ad07f3f43ac" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01a01b6f-16e2-768e-85a9-5b4094fc5ec0" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_01a01b6f-16e2-782b-ae68-4c58323b3f6b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_01a01b6f-16e2-782b-ae68-4c58323b3f6b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_01a01b6f-16e2-79dd-a574-f4d41611d0b2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:to="loc_us-gaap_StockholdersEquity_01a01b6f-16e2-79dd-a574-f4d41611d0b2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_01a01b6f-16e2-70f2-9d4f-972394b63052" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_01a01b6f-16e2-70f2-9d4f-972394b63052" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_01a01b6f-16e2-78e9-834f-e416a1251088" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_01a01b6f-16e2-78e9-834f-e416a1251088" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_SharesVestedDuringPeriodShares_01a01b6f-16e2-76f3-a4a6-aee86f3508f1" xlink:href="law-20260930.xsd#law_SharesVestedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:to="loc_law_SharesVestedDuringPeriodShares_01a01b6f-16e2-76f3-a4a6-aee86f3508f1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_SharesVestedDuringPeriodValue_01a01b6f-16e2-76e1-83e1-eaf61ce52123" xlink:href="law-20260930.xsd#law_SharesVestedDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:to="loc_law_SharesVestedDuringPeriodValue_01a01b6f-16e2-76e1-83e1-eaf61ce52123" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_01a01b6f-16e2-7074-bd66-8e0f413d2e58" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_01a01b6f-16e2-7074-bd66-8e0f413d2e58" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue_01a01b6f-16e2-7c8b-97e4-9e824b81e824" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockRepurchasedDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodValue_01a01b6f-16e2-7c8b-97e4-9e824b81e824" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_01a01b6f-16e2-73cf-be40-978e4274c354" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_01a01b6f-16e2-73cf-be40-978e4274c354" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_01a01b6f-16e2-7b63-80d4-a30cdd73d2b9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_01a01b6f-16e2-7b63-80d4-a30cdd73d2b9" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_01a01b6f-16e2-7ed9-b21e-b29e6cbd1786" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_01a01b6f-16e2-7ed9-b21e-b29e6cbd1786" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnInvestments_01a01b6f-16e2-7b32-b936-e6f62ea0a21c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrealizedGainLossOnInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:to="loc_us-gaap_UnrealizedGainLossOnInvestments_01a01b6f-16e2-7b32-b936-e6f62ea0a21c" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_01a01b6f-16e2-720d-9a72-730e7eef2187" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_01a01b6f-16e2-7810-97cd-e7dc6dcb2e8d" xlink:to="loc_us-gaap_NetIncomeLoss_01a01b6f-16e2-720d-9a72-730e7eef2187" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_01a01b6f-16e2-7ea7-900b-fd8586df6783" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_01a01b6f-16e2-7519-a953-a53573b22510" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockholdersEquity"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" xlink:href="law-20260930.xsd#SummaryofSignificantAccountingPoliciesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxContingencyLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxContingencyTable_01a01b6f-16e2-7bc5-ac34-1985a7581947" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxContingencyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:to="loc_us-gaap_IncomeTaxContingencyTable_01a01b6f-16e2-7bc5-ac34-1985a7581947" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_01a01b6f-16e2-7efb-a316-00d5f2202e95" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_01a01b6f-16e2-7bc5-ac34-1985a7581947" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_01a01b6f-16e2-7efb-a316-00d5f2202e95" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7efb-a316-00d5f2202e95_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_01a01b6f-16e2-7efb-a316-00d5f2202e95" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7efb-a316-00d5f2202e95_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7b5c-9ba0-08f82dc93e48" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_01a01b6f-16e2-7efb-a316-00d5f2202e95" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7b5c-9ba0-08f82dc93e48" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_01a01b6f-16e2-731e-9df7-da0b826c4552" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7b5c-9ba0-08f82dc93e48" xlink:to="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_01a01b6f-16e2-731e-9df7-da0b826c4552" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_ImpairmentOfShortTermInvestments_01a01b6f-16e2-70e0-9b0c-ed182133ac15" xlink:href="law-20260930.xsd#law_ImpairmentOfShortTermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:to="loc_law_ImpairmentOfShortTermInvestments_01a01b6f-16e2-70e0-9b0c-ed182133ac15" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_01a01b6f-16e2-705a-8a53-fead2043ae1f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_01a01b6f-16e2-705a-8a53-fead2043ae1f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_01a01b6f-16e2-7461-8091-500a39458165" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_01a01b6f-16e2-7461-8091-500a39458165" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries_01a01b6f-16e2-75f0-a4f2-eb8d45aa0755" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries_01a01b6f-16e2-75f0-a4f2-eb8d45aa0755" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_01a01b6f-16e2-76cd-98a2-0f715a363d5c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_01a01b6f-16e2-76cd-98a2-0f715a363d5c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnbilledReceivablesCurrent_01a01b6f-16e2-7b18-9f10-afcf6b33054d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnbilledReceivablesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:to="loc_us-gaap_UnbilledReceivablesCurrent_01a01b6f-16e2-7b18-9f10-afcf6b33054d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_CapitalizedComputerSoftwareNumberOfCriteria_01a01b6f-16e2-73aa-9942-1e40596e2359" xlink:href="law-20260930.xsd#law_CapitalizedComputerSoftwareNumberOfCriteria"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:to="loc_law_CapitalizedComputerSoftwareNumberOfCriteria_01a01b6f-16e2-73aa-9942-1e40596e2359" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_01a01b6f-16e2-7d8c-b641-a3723f667a2a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_01a01b6f-16e2-7d8c-b641-a3723f667a2a" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_01a01b6f-16e2-7e2d-86dd-6d48cf78aee7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:to="loc_us-gaap_AssetImpairmentCharges_01a01b6f-16e2-7e2d-86dd-6d48cf78aee7" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_01a01b6f-16e2-7d02-b72b-01cdeaf10934" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:to="loc_us-gaap_NumberOfReportableSegments_01a01b6f-16e2-7d02-b72b-01cdeaf10934" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdvertisingExpense_01a01b6f-16e2-7b19-b08d-6b265375b897" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdvertisingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:to="loc_us-gaap_AdvertisingExpense_01a01b6f-16e2-7b19-b08d-6b265375b897" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_01a01b6f-16e2-7652-a04a-6718501990e8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_01a01b6f-16e2-7652-a04a-6718501990e8" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_01a01b6f-16e2-7c9c-b65d-71713d1f032a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_01a01b6f-16e2-7421-9cf2-02e731c3e731" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_01a01b6f-16e2-7c9c-b65d-71713d1f032a" xlink:type="arc" order="12"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/SummaryofSignificantAccountingPoliciesScheduleofPropertyandEquipmentUsefulLifeDetails" xlink:type="simple" xlink:href="law-20260930.xsd#SummaryofSignificantAccountingPoliciesScheduleofPropertyandEquipmentUsefulLifeDetails"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/SummaryofSignificantAccountingPoliciesScheduleofPropertyandEquipmentUsefulLifeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_01a01b6f-16e2-7a05-b953-eb15afc3c566" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_01a01b6f-16e2-755b-9455-f15cc7e87140" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_01a01b6f-16e2-7a05-b953-eb15afc3c566" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_01a01b6f-16e2-755b-9455-f15cc7e87140" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_01a01b6f-16e2-7c90-9040-064fee68a29b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_01a01b6f-16e2-755b-9455-f15cc7e87140" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_01a01b6f-16e2-7c90-9040-064fee68a29b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7c90-9040-064fee68a29b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_01a01b6f-16e2-7c90-9040-064fee68a29b" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7c90-9040-064fee68a29b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-743c-a34e-babb9ed41e19" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_01a01b6f-16e2-7c90-9040-064fee68a29b" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-743c-a34e-babb9ed41e19" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_01a01b6f-16e2-7f17-9f81-98412f71cce9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FurnitureAndFixturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-743c-a34e-babb9ed41e19" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_01a01b6f-16e2-7f17-9f81-98412f71cce9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_01a110cf-0d8a-7f6d-8ccb-4dcfe538777b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LeaseholdImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-743c-a34e-babb9ed41e19" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_01a110cf-0d8a-7f6d-8ccb-4dcfe538777b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComputerEquipmentMember_01a01b6f-16e2-775f-9755-0d4c31765786" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComputerEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-743c-a34e-babb9ed41e19" xlink:to="loc_us-gaap_ComputerEquipmentMember_01a01b6f-16e2-775f-9755-0d4c31765786" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_01a110cf-0d8a-7583-986f-84e64fd01d1a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_01a01b6f-16e2-755b-9455-f15cc7e87140" xlink:to="loc_srt_RangeAxis_01a110cf-0d8a-7583-986f-84e64fd01d1a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_01a110cf-0d8a-7583-986f-84e64fd01d1a_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_01a110cf-0d8a-7583-986f-84e64fd01d1a" xlink:to="loc_srt_RangeMember_01a110cf-0d8a-7583-986f-84e64fd01d1a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_01a110cf-0d8a-72e8-b490-0b43e6c701e1" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_01a110cf-0d8a-7583-986f-84e64fd01d1a" xlink:to="loc_srt_RangeMember_01a110cf-0d8a-72e8-b490-0b43e6c701e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_01a110cf-0d8a-78e2-b025-ad44747ccdea" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_01a110cf-0d8a-72e8-b490-0b43e6c701e1" xlink:to="loc_srt_MaximumMember_01a110cf-0d8a-78e2-b025-ad44747ccdea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_01a01b6f-16e2-7cb8-91bb-2992e288ccd3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_01a01b6f-16e2-7a05-b953-eb15afc3c566" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_01a01b6f-16e2-7cb8-91bb-2992e288ccd3" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/RevenueRecognitionNarrativeDetails" xlink:type="simple" xlink:href="law-20260930.xsd#RevenueRecognitionNarrativeDetails"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/RevenueRecognitionNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7b65-8b67-11e0eb3b5d01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7b65-8b67-11e0eb3b5d01" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_01a01b6f-16e2-7a84-a862-1bea8b7d0ccf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7b65-8b67-11e0eb3b5d01" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_01a01b6f-16e2-7a84-a862-1bea8b7d0ccf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_01a01b6f-16e2-7a84-a862-1bea8b7d0ccf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_01a01b6f-16e2-7a84-a862-1bea8b7d0ccf" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_01a01b6f-16e2-7a84-a862-1bea8b7d0ccf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_01a01b6f-16e2-7816-95f8-2f8e92240d71" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_01a01b6f-16e2-7a84-a862-1bea8b7d0ccf" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_01a01b6f-16e2-7816-95f8-2f8e92240d71" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetMember_01a01b6f-16e2-7e19-bc4e-7802e8b4818b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SalesRevenueNetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_01a01b6f-16e2-7816-95f8-2f8e92240d71" xlink:to="loc_us-gaap_SalesRevenueNetMember_01a01b6f-16e2-7e19-bc4e-7802e8b4818b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_01a01b6f-16e2-755f-afd2-92484b5140cd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7b65-8b67-11e0eb3b5d01" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_01a01b6f-16e2-755f-afd2-92484b5140cd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_01a01b6f-16e2-755f-afd2-92484b5140cd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_01a01b6f-16e2-755f-afd2-92484b5140cd" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_01a01b6f-16e2-755f-afd2-92484b5140cd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_01a01b6f-16e2-72b6-94a2-3c14b105799c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_01a01b6f-16e2-755f-afd2-92484b5140cd" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_01a01b6f-16e2-72b6-94a2-3c14b105799c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductConcentrationRiskMember_01a01b6f-16e2-7aec-bbee-fa48fbdbd8c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProductConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_01a01b6f-16e2-72b6-94a2-3c14b105799c" xlink:to="loc_us-gaap_ProductConcentrationRiskMember_01a01b6f-16e2-7aec-bbee-fa48fbdbd8c2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_01a01b6f-16e2-7e9e-af14-8880c1e681d8" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7b65-8b67-11e0eb3b5d01" xlink:to="loc_srt_ProductOrServiceAxis_01a01b6f-16e2-7e9e-af14-8880c1e681d8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-7e9e-af14-8880c1e681d8_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_01a01b6f-16e2-7e9e-af14-8880c1e681d8" xlink:to="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-7e9e-af14-8880c1e681d8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-704d-9408-d40124dd284a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_01a01b6f-16e2-7e9e-af14-8880c1e681d8" xlink:to="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-704d-9408-d40124dd284a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_UsageBasedRevenueMember_01a01b6f-16e2-706e-9107-9288d1a4b025" xlink:href="law-20260930.xsd#law_UsageBasedRevenueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-704d-9408-d40124dd284a" xlink:to="loc_law_UsageBasedRevenueMember_01a01b6f-16e2-706e-9107-9288d1a4b025" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_SubscriptionRevenueMember_01a01b6f-16e2-7543-a800-f7340ac7aa22" xlink:href="law-20260930.xsd#law_SubscriptionRevenueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-704d-9408-d40124dd284a" xlink:to="loc_law_SubscriptionRevenueMember_01a01b6f-16e2-7543-a800-f7340ac7aa22" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_01a01b6f-16e2-7572-9354-98b1a9c85bcf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7b65-8b67-11e0eb3b5d01" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_01a01b6f-16e2-7572-9354-98b1a9c85bcf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_01a06163-e9e3-7965-8973-01e033cbe812" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_NumberOfOperatingSegments_01a06163-e9e3-7965-8973-01e033cbe812" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_ContractWithCustomerRevenueRecognizedUponLegalResolution_01a1773f-a620-796b-8bbb-e51e6f7cb331" xlink:href="law-20260930.xsd#law_ContractWithCustomerRevenueRecognizedUponLegalResolution"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_law_ContractWithCustomerRevenueRecognizedUponLegalResolution_01a1773f-a620-796b-8bbb-e51e6f7cb331" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_RevenueFromContractWithCustomerNumberOfContractualArrangementTypes_01a01b6f-16e2-72bd-a023-4a87f7d80534" xlink:href="law-20260930.xsd#law_RevenueFromContractWithCustomerNumberOfContractualArrangementTypes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_law_RevenueFromContractWithCustomerNumberOfContractualArrangementTypes_01a01b6f-16e2-72bd-a023-4a87f7d80534" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_RevenueFromContractWithCustomerCancellationNoticePeriod_01a01b6f-16e2-7fb7-8ca5-0fa8d0aa5380" xlink:href="law-20260930.xsd#law_RevenueFromContractWithCustomerCancellationNoticePeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_law_RevenueFromContractWithCustomerCancellationNoticePeriod_01a01b6f-16e2-7fb7-8ca5-0fa8d0aa5380" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_01a01b6f-16e2-791d-8fe1-2de26cf493a9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_01a01b6f-16e2-791d-8fe1-2de26cf493a9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_01a01b6f-16e2-7198-9784-ec1993620ef0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_ContractWithCustomerLiability_01a01b6f-16e2-7198-9784-ec1993620ef0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_01a01b6f-16e2-7f21-a739-eabfb37754b2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_01a01b6f-16e2-7f21-a739-eabfb37754b2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_01a01b6f-16e2-7de8-a940-5db4ad0ab61b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_01a01b6f-16e2-7de8-a940-5db4ad0ab61b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_01a01b6f-16e2-72f3-a5db-1c83c7f9ba85" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_01a01b6f-16e2-72f3-a5db-1c83c7f9ba85" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_01a01b6f-16e2-76fd-8db4-0d913b91606c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_01a01b6f-16e2-76fd-8db4-0d913b91606c" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_01a01b6f-16e2-750c-9d3e-3add1419c0a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_01a01b6f-16e2-750c-9d3e-3add1419c0a8" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNet_01a01b6f-16e2-706c-9299-b6003846dae8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CapitalizedContractCostNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_CapitalizedContractCostNet_01a01b6f-16e2-706c-9299-b6003846dae8" xlink:type="arc" order="11"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/RevenueRecognitionNarrativeDetails_1" xlink:type="simple" xlink:href="law-20260930.xsd#RevenueRecognitionNarrativeDetails_1"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/RevenueRecognitionNarrativeDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7b65-8b67-11e0eb3b5d01" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7b65-8b67-11e0eb3b5d01" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_01a01b6f-16e2-7a84-a862-1bea8b7d0ccf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7b65-8b67-11e0eb3b5d01" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_01a01b6f-16e2-7a84-a862-1bea8b7d0ccf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_01a01b6f-16e2-7a84-a862-1bea8b7d0ccf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_01a01b6f-16e2-7a84-a862-1bea8b7d0ccf" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_01a01b6f-16e2-7a84-a862-1bea8b7d0ccf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_01a01b6f-16e2-7816-95f8-2f8e92240d71" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_01a01b6f-16e2-7a84-a862-1bea8b7d0ccf" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_01a01b6f-16e2-7816-95f8-2f8e92240d71" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetMember_01a01b6f-16e2-7e19-bc4e-7802e8b4818b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SalesRevenueNetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_01a01b6f-16e2-7816-95f8-2f8e92240d71" xlink:to="loc_us-gaap_SalesRevenueNetMember_01a01b6f-16e2-7e19-bc4e-7802e8b4818b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_01a01b6f-16e2-755f-afd2-92484b5140cd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7b65-8b67-11e0eb3b5d01" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_01a01b6f-16e2-755f-afd2-92484b5140cd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_01a01b6f-16e2-755f-afd2-92484b5140cd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_01a01b6f-16e2-755f-afd2-92484b5140cd" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_01a01b6f-16e2-755f-afd2-92484b5140cd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_01a01b6f-16e2-72b6-94a2-3c14b105799c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_01a01b6f-16e2-755f-afd2-92484b5140cd" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_01a01b6f-16e2-72b6-94a2-3c14b105799c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductConcentrationRiskMember_01a01b6f-16e2-7aec-bbee-fa48fbdbd8c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProductConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_01a01b6f-16e2-72b6-94a2-3c14b105799c" xlink:to="loc_us-gaap_ProductConcentrationRiskMember_01a01b6f-16e2-7aec-bbee-fa48fbdbd8c2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_01a01b6f-16e2-7e9e-af14-8880c1e681d8" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7b65-8b67-11e0eb3b5d01" xlink:to="loc_srt_ProductOrServiceAxis_01a01b6f-16e2-7e9e-af14-8880c1e681d8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-7e9e-af14-8880c1e681d8_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_01a01b6f-16e2-7e9e-af14-8880c1e681d8" xlink:to="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-7e9e-af14-8880c1e681d8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-704d-9408-d40124dd284a" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_01a01b6f-16e2-7e9e-af14-8880c1e681d8" xlink:to="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-704d-9408-d40124dd284a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_UsageBasedRevenueMember_01a01b6f-16e2-706e-9107-9288d1a4b025" xlink:href="law-20260930.xsd#law_UsageBasedRevenueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-704d-9408-d40124dd284a" xlink:to="loc_law_UsageBasedRevenueMember_01a01b6f-16e2-706e-9107-9288d1a4b025" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_SubscriptionRevenueMember_01a01b6f-16e2-7543-a800-f7340ac7aa22" xlink:href="law-20260930.xsd#law_SubscriptionRevenueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-704d-9408-d40124dd284a" xlink:to="loc_law_SubscriptionRevenueMember_01a01b6f-16e2-7543-a800-f7340ac7aa22" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_01a06163-e9e3-7965-8973-01e033cbe812" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_NumberOfOperatingSegments_01a06163-e9e3-7965-8973-01e033cbe812" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_ContractWithCustomerRevenueRecognizedUponLegalResolution_01a1773f-a620-796b-8bbb-e51e6f7cb331" xlink:href="law-20260930.xsd#law_ContractWithCustomerRevenueRecognizedUponLegalResolution"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_law_ContractWithCustomerRevenueRecognizedUponLegalResolution_01a1773f-a620-796b-8bbb-e51e6f7cb331" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_RevenueFromContractWithCustomerNumberOfContractualArrangementTypes_01a01b6f-16e2-72bd-a023-4a87f7d80534" xlink:href="law-20260930.xsd#law_RevenueFromContractWithCustomerNumberOfContractualArrangementTypes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_law_RevenueFromContractWithCustomerNumberOfContractualArrangementTypes_01a01b6f-16e2-72bd-a023-4a87f7d80534" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_RevenueFromContractWithCustomerCancellationNoticePeriod_01a01b6f-16e2-7fb7-8ca5-0fa8d0aa5380" xlink:href="law-20260930.xsd#law_RevenueFromContractWithCustomerCancellationNoticePeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_law_RevenueFromContractWithCustomerCancellationNoticePeriod_01a01b6f-16e2-7fb7-8ca5-0fa8d0aa5380" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_01a01b6f-16e2-791d-8fe1-2de26cf493a9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_01a01b6f-16e2-791d-8fe1-2de26cf493a9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiability_01a01b6f-16e2-7198-9784-ec1993620ef0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_ContractWithCustomerLiability_01a01b6f-16e2-7198-9784-ec1993620ef0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_01a01b6f-16e2-7f21-a739-eabfb37754b2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_01a01b6f-16e2-7f21-a739-eabfb37754b2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_01a01b6f-16e2-7de8-a940-5db4ad0ab61b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_01a01b6f-16e2-7de8-a940-5db4ad0ab61b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_01a01b6f-16e2-72f3-a5db-1c83c7f9ba85" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_01a01b6f-16e2-72f3-a5db-1c83c7f9ba85" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_01a01b6f-16e2-76fd-8db4-0d913b91606c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_01a01b6f-16e2-76fd-8db4-0d913b91606c" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_01a01b6f-16e2-750c-9d3e-3add1419c0a8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_01a01b6f-16e2-750c-9d3e-3add1419c0a8" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostNet_01a01b6f-16e2-706c-9299-b6003846dae8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CapitalizedContractCostNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-789a-88b2-ea286fdc1630" xlink:to="loc_us-gaap_CapitalizedContractCostNet_01a01b6f-16e2-706c-9299-b6003846dae8" xlink:type="arc" order="11"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/RevenueRecognitionScheduleofDisaggregationofRevenuebyProductDetails" xlink:type="simple" xlink:href="law-20260930.xsd#RevenueRecognitionScheduleofDisaggregationofRevenuebyProductDetails"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/RevenueRecognitionScheduleofDisaggregationofRevenuebyProductDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-7a99-8cc8-350177021417" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7287-8475-ffa236bbe444" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-7a99-8cc8-350177021417" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7287-8475-ffa236bbe444" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_01a01b6f-16e2-731c-b4b9-bae5ecdb6119" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7287-8475-ffa236bbe444" xlink:to="loc_srt_ProductOrServiceAxis_01a01b6f-16e2-731c-b4b9-bae5ecdb6119" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-731c-b4b9-bae5ecdb6119_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_01a01b6f-16e2-731c-b4b9-bae5ecdb6119" xlink:to="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-731c-b4b9-bae5ecdb6119_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-7975-890b-04f7d2b52404" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_01a01b6f-16e2-731c-b4b9-bae5ecdb6119" xlink:to="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-7975-890b-04f7d2b52404" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_SoftwareMember_01a01b6f-16e2-7792-b41b-ddc93984c082" xlink:href="law-20260930.xsd#law_SoftwareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-7975-890b-04f7d2b52404" xlink:to="loc_law_SoftwareMember_01a01b6f-16e2-7792-b41b-ddc93984c082" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServiceMember_01a01b6f-16e2-7195-8e43-b14e90cc82bf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ServiceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_01a01b6f-16e2-7975-890b-04f7d2b52404" xlink:to="loc_us-gaap_ServiceMember_01a01b6f-16e2-7195-8e43-b14e90cc82bf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_01a01b6f-16e2-73df-948a-8dc6b42679b6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-7a99-8cc8-350177021417" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_01a01b6f-16e2-73df-948a-8dc6b42679b6" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/RevenueRecognitionScheduleofDisaggregationofRevenuebyGeographicAreaDetails" xlink:type="simple" xlink:href="law-20260930.xsd#RevenueRecognitionScheduleofDisaggregationofRevenuebyGeographicAreaDetails"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/RevenueRecognitionScheduleofDisaggregationofRevenuebyGeographicAreaDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-7cd3-a9b5-0a0d0e187b12" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7c53-a4cf-2a49930d2c1e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-7cd3-a9b5-0a0d0e187b12" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7c53-a4cf-2a49930d2c1e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_01a01b6f-16e2-72f4-9075-74ce2dcbcaef" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_01a01b6f-16e2-7c53-a4cf-2a49930d2c1e" xlink:to="loc_srt_StatementGeographicalAxis_01a01b6f-16e2-72f4-9075-74ce2dcbcaef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_01a01b6f-16e2-72f4-9075-74ce2dcbcaef_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_01a01b6f-16e2-72f4-9075-74ce2dcbcaef" xlink:to="loc_srt_SegmentGeographicalDomain_01a01b6f-16e2-72f4-9075-74ce2dcbcaef_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_01a01b6f-16e2-7a78-9067-7eb03eefc798" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_01a01b6f-16e2-72f4-9075-74ce2dcbcaef" xlink:to="loc_srt_SegmentGeographicalDomain_01a01b6f-16e2-7a78-9067-7eb03eefc798" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_01a01b6f-16e2-7da8-aaf4-886e393b5a62" xlink:href="https://xbrl.sec.gov/country/2026/country-2026.xsd#country_US"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_01a01b6f-16e2-7a78-9067-7eb03eefc798" xlink:to="loc_country_US_01a01b6f-16e2-7da8-aaf4-886e393b5a62" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonUsMember_01a01b6f-16e2-7193-82c3-04e117594dea" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NonUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_01a01b6f-16e2-7a78-9067-7eb03eefc798" xlink:to="loc_us-gaap_NonUsMember_01a01b6f-16e2-7193-82c3-04e117594dea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_01a01b6f-16e2-7547-94ed-802bd2ef37b0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_01a01b6f-16e2-7cd3-a9b5-0a0d0e187b12" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_01a01b6f-16e2-7547-94ed-802bd2ef37b0" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/SegmentInformationScheduleofSignificantExpensesDetails" xlink:type="simple" xlink:href="law-20260930.xsd#SegmentInformationScheduleofSignificantExpensesDetails"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/SegmentInformationScheduleofSignificantExpensesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_01a01b6f-16e2-7347-8a14-61773c042972" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_01a01b6f-16e2-7688-81db-59fba606032a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_01a01b6f-16e2-7347-8a14-61773c042972" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_01a01b6f-16e2-7688-81db-59fba606032a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_01a01b6f-16e2-7b29-8caa-dcbb59747ca8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_01a01b6f-16e2-7688-81db-59fba606032a" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_01a01b6f-16e2-7b29-8caa-dcbb59747ca8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_01a01b6f-16e2-7b29-8caa-dcbb59747ca8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_01a01b6f-16e2-7b29-8caa-dcbb59747ca8" xlink:to="loc_us-gaap_SegmentDomain_01a01b6f-16e2-7b29-8caa-dcbb59747ca8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_01a01b6f-16e2-724a-881b-3f6249903275" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_01a01b6f-16e2-7b29-8caa-dcbb59747ca8" xlink:to="loc_us-gaap_SegmentDomain_01a01b6f-16e2-724a-881b-3f6249903275" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_ReportableSegmentMember_01a01b6f-16e2-7c16-9e36-129ec8204cb9" xlink:href="law-20260930.xsd#law_ReportableSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_01a01b6f-16e2-724a-881b-3f6249903275" xlink:to="loc_law_ReportableSegmentMember_01a01b6f-16e2-7c16-9e36-129ec8204cb9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_01a01b6f-16e2-7788-a190-a9870be63728" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_01a01b6f-16e2-7347-8a14-61773c042972" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_01a01b6f-16e2-7788-a190-a9870be63728" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfRevenue_01a01b6f-16e2-7ea4-b8e7-7e586715d8f8" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_01a01b6f-16e2-7347-8a14-61773c042972" xlink:to="loc_us-gaap_CostOfRevenue_01a01b6f-16e2-7ea4-b8e7-7e586715d8f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_01a01b6f-16e2-7e0f-83e4-78fa61b7ed31" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_GrossProfit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_01a01b6f-16e2-7347-8a14-61773c042972" xlink:to="loc_us-gaap_GrossProfit_01a01b6f-16e2-7e0f-83e4-78fa61b7ed31" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_01a01b6f-16e2-7eae-8136-456e91ffd71b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_01a01b6f-16e2-7347-8a14-61773c042972" xlink:to="loc_us-gaap_OperatingExpensesAbstract_01a01b6f-16e2-7eae-8136-456e91ffd71b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LaborAndRelatedExpense_01a01b6f-16e2-7000-a729-a29b3890299c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LaborAndRelatedExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_01a01b6f-16e2-7eae-8136-456e91ffd71b" xlink:to="loc_us-gaap_LaborAndRelatedExpense_01a01b6f-16e2-7000-a729-a29b3890299c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfessionalFees_01a01b6f-16e2-7db1-ad48-ba4ded5ecae5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ProfessionalFees"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_01a01b6f-16e2-7eae-8136-456e91ffd71b" xlink:to="loc_us-gaap_ProfessionalFees_01a01b6f-16e2-7db1-ad48-ba4ded5ecae5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_RentAndFacilitiesExpense_01a01b6f-16e2-7c21-8be4-25667a244202" xlink:href="law-20260930.xsd#law_RentAndFacilitiesExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_01a01b6f-16e2-7eae-8136-456e91ffd71b" xlink:to="loc_law_RentAndFacilitiesExpense_01a01b6f-16e2-7c21-8be4-25667a244202" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_SoftwareExpense_01a01b6f-16e2-756d-a7d9-4c38743c08d6" xlink:href="law-20260930.xsd#law_SoftwareExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_01a01b6f-16e2-7eae-8136-456e91ffd71b" xlink:to="loc_law_SoftwareExpense_01a01b6f-16e2-756d-a7d9-4c38743c08d6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdvertisingExpense_01a01b6f-16e2-7a59-993b-3d0b5fd1fe6f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AdvertisingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_01a01b6f-16e2-7eae-8136-456e91ffd71b" xlink:to="loc_us-gaap_AdvertisingExpense_01a01b6f-16e2-7a59-993b-3d0b5fd1fe6f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_01a01b6f-16e2-74ef-a6ac-b3869c957e96" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_01a01b6f-16e2-7eae-8136-456e91ffd71b" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_01a01b6f-16e2-74ef-a6ac-b3869c957e96" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_01a01b6f-16e2-78f5-8e6f-84d2649a6350" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_01a01b6f-16e2-7347-8a14-61773c042972" xlink:to="loc_us-gaap_OperatingIncomeLoss_01a01b6f-16e2-78f5-8e6f-84d2649a6350" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_01a01b6f-16e2-7d22-bebb-e91fa0bb3fed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_01a01b6f-16e2-7347-8a14-61773c042972" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_01a01b6f-16e2-7d22-bebb-e91fa0bb3fed" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_01a01b6f-16e2-7295-89c0-5433e949cc1c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_01a01b6f-16e2-7347-8a14-61773c042972" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_01a01b6f-16e2-7295-89c0-5433e949cc1c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_01a01b6f-16e2-7f2f-bc1e-82c853bfcb36" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_01a01b6f-16e2-7347-8a14-61773c042972" xlink:to="loc_us-gaap_NetIncomeLoss_01a01b6f-16e2-7f2f-bc1e-82c853bfcb36" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_01a01b6f-16e2-72f4-928d-bc84b6875f0c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_01a01b6f-16e2-7347-8a14-61773c042972" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSoldDepreciationAndAmortization_01a01b6f-16e2-72f4-928d-bc84b6875f0c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_LitigationExpense_01a01b6f-16e2-7d0d-8ddc-32cc5e85c0e6" xlink:href="law-20260930.xsd#law_LitigationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_01a01b6f-16e2-7347-8a14-61773c042972" xlink:to="loc_law_LitigationExpense_01a01b6f-16e2-7d0d-8ddc-32cc5e85c0e6" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_SegmentReportingOtherSegmentItemDepreciationAndAmortizationAmount_01a01b6f-16e2-7bc2-9052-42a42a3bfa61" xlink:href="law-20260930.xsd#law_SegmentReportingOtherSegmentItemDepreciationAndAmortizationAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_01a01b6f-16e2-7347-8a14-61773c042972" xlink:to="loc_law_SegmentReportingOtherSegmentItemDepreciationAndAmortizationAmount_01a01b6f-16e2-7bc2-9052-42a42a3bfa61" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/ShortTermInvestmentsScheduleofAvailableforSaleSecuritiesReconciliationDetails" xlink:type="simple" xlink:href="law-20260930.xsd#ShortTermInvestmentsScheduleofAvailableforSaleSecuritiesReconciliationDetails"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/ShortTermInvestmentsScheduleofAvailableforSaleSecuritiesReconciliationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketableSecuritiesLineItems_01a01b6f-16e2-7cf8-88f1-d9dcffb93695" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MarketableSecuritiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketableSecuritiesTable_01a01b6f-16e2-767b-a659-a1f60edd449b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MarketableSecuritiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_MarketableSecuritiesLineItems_01a01b6f-16e2-7cf8-88f1-d9dcffb93695" xlink:to="loc_us-gaap_MarketableSecuritiesTable_01a01b6f-16e2-767b-a659-a1f60edd449b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_01a01b6f-16e2-76a3-932b-18fff10b47cd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MarketableSecuritiesTable_01a01b6f-16e2-767b-a659-a1f60edd449b" xlink:to="loc_us-gaap_FinancialInstrumentAxis_01a01b6f-16e2-76a3-932b-18fff10b47cd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_01a01b6f-16e2-76a3-932b-18fff10b47cd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_01a01b6f-16e2-76a3-932b-18fff10b47cd" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_01a01b6f-16e2-76a3-932b-18fff10b47cd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_01a01b6f-16e2-7fd1-9e63-995a12cc6e62" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_01a01b6f-16e2-76a3-932b-18fff10b47cd" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_01a01b6f-16e2-7fd1-9e63-995a12cc6e62" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USGovernmentDebtSecuritiesMember_01a01b6f-16e2-7989-97cd-80669d867795" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_USGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_01a01b6f-16e2-7fd1-9e63-995a12cc6e62" xlink:to="loc_us-gaap_USGovernmentDebtSecuritiesMember_01a01b6f-16e2-7989-97cd-80669d867795" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_01a01b6f-16e2-75c4-855c-5d2dea3ca5be" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MarketableSecuritiesLineItems_01a01b6f-16e2-7cf8-88f1-d9dcffb93695" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_01a01b6f-16e2-75c4-855c-5d2dea3ca5be" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax_01a01b6f-16e2-7804-a2fe-6e96a69c932d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MarketableSecuritiesLineItems_01a01b6f-16e2-7cf8-88f1-d9dcffb93695" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax_01a01b6f-16e2-7804-a2fe-6e96a69c932d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_01a01b6f-16e2-7dcc-a218-5bada1e1c341" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MarketableSecuritiesLineItems_01a01b6f-16e2-7cf8-88f1-d9dcffb93695" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_01a01b6f-16e2-7dcc-a218-5bada1e1c341" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/ShortTermInvestmentsNarrativeDetails" xlink:type="simple" xlink:href="law-20260930.xsd#ShortTermInvestmentsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/ShortTermInvestmentsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketableSecuritiesLineItems_01a18d02-2037-7a8b-8aba-736d767f26e3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MarketableSecuritiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketableSecuritiesTable_01a18d02-2037-7b09-b42c-80b82eea6cd5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_MarketableSecuritiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_MarketableSecuritiesLineItems_01a18d02-2037-7a8b-8aba-736d767f26e3" xlink:to="loc_us-gaap_MarketableSecuritiesTable_01a18d02-2037-7b09-b42c-80b82eea6cd5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_01a18d02-2037-732b-a936-bb9c0f3fd81b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_MarketableSecuritiesTable_01a18d02-2037-7b09-b42c-80b82eea6cd5" xlink:to="loc_us-gaap_FinancialInstrumentAxis_01a18d02-2037-732b-a936-bb9c0f3fd81b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_01a18d02-2037-732b-a936-bb9c0f3fd81b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_01a18d02-2037-732b-a936-bb9c0f3fd81b" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_01a18d02-2037-732b-a936-bb9c0f3fd81b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_01a18d02-2037-75f0-b5f0-ac669ec9a3bc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_01a18d02-2037-732b-a936-bb9c0f3fd81b" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_01a18d02-2037-75f0-b5f0-ac669ec9a3bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USGovernmentDebtSecuritiesMember_01a18d02-2037-795c-b098-63362a510147" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_USGovernmentDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_01a18d02-2037-75f0-b5f0-ac669ec9a3bc" xlink:to="loc_us-gaap_USGovernmentDebtSecuritiesMember_01a18d02-2037-795c-b098-63362a510147" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleTerm_01a18d02-2037-7320-9374-2424f2eff535" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DebtSecuritiesAvailableForSaleTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MarketableSecuritiesLineItems_01a18d02-2037-7a8b-8aba-736d767f26e3" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleTerm_01a18d02-2037-7320-9374-2424f2eff535" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/PropertyandEquipmentScheduleofPropertyandEquipmentUsefulLifeDetails" xlink:type="simple" xlink:href="law-20260930.xsd#PropertyandEquipmentScheduleofPropertyandEquipmentUsefulLifeDetails"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/PropertyandEquipmentScheduleofPropertyandEquipmentUsefulLifeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_01a01b6f-16e2-7524-a74d-c6505aa079f1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_01a01b6f-16e2-7bdc-ba2d-82be6751428c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_01a01b6f-16e2-7524-a74d-c6505aa079f1" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_01a01b6f-16e2-7bdc-ba2d-82be6751428c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_01a01b6f-16e2-7ddf-a791-1fecd207b240" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_01a01b6f-16e2-7bdc-ba2d-82be6751428c" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_01a01b6f-16e2-7ddf-a791-1fecd207b240" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7ddf-a791-1fecd207b240_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_01a01b6f-16e2-7ddf-a791-1fecd207b240" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7ddf-a791-1fecd207b240_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7be5-b116-e94b480d9d06" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_01a01b6f-16e2-7ddf-a791-1fecd207b240" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7be5-b116-e94b480d9d06" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComputerEquipmentMember_01a01b6f-16e2-7663-8373-22878783edec" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ComputerEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7be5-b116-e94b480d9d06" xlink:to="loc_us-gaap_ComputerEquipmentMember_01a01b6f-16e2-7663-8373-22878783edec" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_01a01b6f-16e2-7afe-a23b-6e80032599db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7be5-b116-e94b480d9d06" xlink:to="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_01a01b6f-16e2-7afe-a23b-6e80032599db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_01a01b6f-16e2-781d-87ac-fc58d1c48cda" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_LeaseholdImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7be5-b116-e94b480d9d06" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_01a01b6f-16e2-781d-87ac-fc58d1c48cda" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_01a01b6f-16e2-7ce7-acbf-cf7dceb7422a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FurnitureAndFixturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_01a01b6f-16e2-7be5-b116-e94b480d9d06" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_01a01b6f-16e2-7ce7-acbf-cf7dceb7422a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_01a01b6f-16e2-768d-800b-3f10855ab6b5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_01a01b6f-16e2-7524-a74d-c6505aa079f1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_01a01b6f-16e2-768d-800b-3f10855ab6b5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_01a01b6f-16e2-7e44-9613-ad8e797ba02b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_01a01b6f-16e2-7524-a74d-c6505aa079f1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_01a01b6f-16e2-7e44-9613-ad8e797ba02b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_01a01b6f-16e2-7e88-a8e4-2b047043bee5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_01a01b6f-16e2-7524-a74d-c6505aa079f1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_01a01b6f-16e2-7e88-a8e4-2b047043bee5" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredOtherIntangibleAssetsDetails" xlink:type="simple" xlink:href="law-20260930.xsd#GoodwillandIntangibleAssetsScheduleofAcquiredOtherIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/GoodwillandIntangibleAssetsScheduleofAcquiredOtherIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_01a01b6f-1779-7d19-966a-156ae8b46a7d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_01a01b6f-16e2-74ba-aee9-cebc19fa2e82" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_01a01b6f-1779-7d19-966a-156ae8b46a7d" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_01a01b6f-16e2-74ba-aee9-cebc19fa2e82" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_01a01b6f-1779-7eaa-97e7-589e468bdfe7" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_01a01b6f-16e2-74ba-aee9-cebc19fa2e82" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_01a01b6f-1779-7eaa-97e7-589e468bdfe7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_01a01b6f-1779-7eaa-97e7-589e468bdfe7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_01a01b6f-1779-7eaa-97e7-589e468bdfe7" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_01a01b6f-1779-7eaa-97e7-589e468bdfe7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_01a01b6f-1779-7d6b-aa71-a3103da673d4" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_01a01b6f-1779-7eaa-97e7-589e468bdfe7" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_01a01b6f-1779-7d6b-aa71-a3103da673d4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_Congruity360LLCMember_01a01b6f-1779-7d6c-a338-521e48c5a7f6" xlink:href="law-20260930.xsd#law_Congruity360LLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_01a01b6f-1779-7d6b-aa71-a3103da673d4" xlink:to="loc_law_Congruity360LLCMember_01a01b6f-1779-7d6c-a338-521e48c5a7f6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_01a01b6f-1779-7c90-8fa9-ae7182247330" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_01a01b6f-16e2-74ba-aee9-cebc19fa2e82" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_01a01b6f-1779-7c90-8fa9-ae7182247330" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_01a01b6f-1779-7c90-8fa9-ae7182247330_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_01a01b6f-1779-7c90-8fa9-ae7182247330" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_01a01b6f-1779-7c90-8fa9-ae7182247330_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_01a01b6f-1779-7867-b2ce-63e3d190fe13" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_01a01b6f-1779-7c90-8fa9-ae7182247330" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_01a01b6f-1779-7867-b2ce-63e3d190fe13" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_01a01b6f-1779-7dcc-9bf1-3aa29142e5aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_01a01b6f-1779-7867-b2ce-63e3d190fe13" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_01a01b6f-1779-7dcc-9bf1-3aa29142e5aa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_01a01b6f-1779-7c72-ae11-9d8a416b7403" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_01a01b6f-1779-7d19-966a-156ae8b46a7d" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_01a01b6f-1779-7c72-ae11-9d8a416b7403" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_01a01b6f-1779-7c65-8570-f55dbfe45425" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_01a01b6f-1779-7d19-966a-156ae8b46a7d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_01a01b6f-1779-7c65-8570-f55dbfe45425" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_01a01b6f-1779-7cc7-89ab-7122e9108fdc" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_01a01b6f-1779-7d19-966a-156ae8b46a7d" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_01a01b6f-1779-7cc7-89ab-7122e9108fdc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_01a01b6f-1779-7ce2-a4a2-d9f9aa94aa72" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_01a01b6f-1779-7d19-966a-156ae8b46a7d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_01a01b6f-1779-7ce2-a4a2-d9f9aa94aa72" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/StockholdersEquityNarrativeDetails" xlink:type="simple" xlink:href="law-20260930.xsd#StockholdersEquityNarrativeDetails"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/StockholdersEquityNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01a01b6f-1779-791c-8aff-14d7b9ffa8bb" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01a01b6f-1779-791c-8aff-14d7b9ffa8bb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_01a01b6f-1779-7944-b8af-9ea3a46a631e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01a01b6f-1779-791c-8aff-14d7b9ffa8bb" xlink:to="loc_us-gaap_AwardTypeAxis_01a01b6f-1779-7944-b8af-9ea3a46a631e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_01a01b6f-1779-7944-b8af-9ea3a46a631e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_01a01b6f-1779-7944-b8af-9ea3a46a631e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_01a01b6f-1779-7944-b8af-9ea3a46a631e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_01a01b6f-1779-704e-b9a5-b774ee8c9bdf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_01a01b6f-1779-7944-b8af-9ea3a46a631e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_01a01b6f-1779-704e-b9a5-b774ee8c9bdf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockCompensationPlanMember_01a01b6f-1779-77e8-a09e-c1720ef452c3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockCompensationPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_01a01b6f-1779-704e-b9a5-b774ee8c9bdf" xlink:to="loc_us-gaap_StockCompensationPlanMember_01a01b6f-1779-77e8-a09e-c1720ef452c3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_01a01b6f-1779-7228-9b5e-a9a1a1e4cd54" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockCompensationPlanMember_01a01b6f-1779-77e8-a09e-c1720ef452c3" xlink:to="loc_us-gaap_EmployeeStockOptionMember_01a01b6f-1779-7228-9b5e-a9a1a1e4cd54" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_RestrictedStockUnitsRSUsAndPerformanceSharesPSUsMember_01a01b6f-1779-7130-bf56-9c3607f48782" xlink:href="law-20260930.xsd#law_RestrictedStockUnitsRSUsAndPerformanceSharesPSUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockCompensationPlanMember_01a01b6f-1779-77e8-a09e-c1720ef452c3" xlink:to="loc_law_RestrictedStockUnitsRSUsAndPerformanceSharesPSUsMember_01a01b6f-1779-7130-bf56-9c3607f48782" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_01a01b6f-1779-7259-980b-dea5ae3005c1" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_law_RestrictedStockUnitsRSUsAndPerformanceSharesPSUsMember_01a01b6f-1779-7130-bf56-9c3607f48782" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_01a01b6f-1779-7259-980b-dea5ae3005c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_01a01b6f-1779-71c5-8a0d-fe24b4e5c585" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_law_RestrictedStockUnitsRSUsAndPerformanceSharesPSUsMember_01a01b6f-1779-7130-bf56-9c3607f48782" xlink:to="loc_us-gaap_PerformanceSharesMember_01a01b6f-1779-71c5-8a0d-fe24b4e5c585" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_PerformanceShares2026Member_01a13d53-ee66-729f-b9fe-64be89fd3948" xlink:href="law-20260930.xsd#law_PerformanceShares2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PerformanceSharesMember_01a01b6f-1779-71c5-8a0d-fe24b4e5c585" xlink:to="loc_law_PerformanceShares2026Member_01a13d53-ee66-729f-b9fe-64be89fd3948" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_PerformanceShares2025Member_01a01b6f-1779-7f1b-ad0a-93d38af00b5c" xlink:href="law-20260930.xsd#law_PerformanceShares2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PerformanceSharesMember_01a01b6f-1779-71c5-8a0d-fe24b4e5c585" xlink:to="loc_law_PerformanceShares2025Member_01a01b6f-1779-7f1b-ad0a-93d38af00b5c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_01a01b6f-1779-70da-b861-49b0a8acb8ed" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_01a01b6f-1779-704e-b9a5-b774ee8c9bdf" xlink:to="loc_us-gaap_EmployeeStockMember_01a01b6f-1779-70da-b861-49b0a8acb8ed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_01a01b6f-1779-74da-8aad-983389a10144" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VestingAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01a01b6f-1779-791c-8aff-14d7b9ffa8bb" xlink:to="loc_us-gaap_VestingAxis_01a01b6f-1779-74da-8aad-983389a10144" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_01a01b6f-1779-74da-8aad-983389a10144_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VestingAxis_01a01b6f-1779-74da-8aad-983389a10144" xlink:to="loc_us-gaap_VestingDomain_01a01b6f-1779-74da-8aad-983389a10144_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_01a01b6f-1779-7566-bb96-c4062d71f289" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_VestingDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VestingAxis_01a01b6f-1779-74da-8aad-983389a10144" xlink:to="loc_us-gaap_VestingDomain_01a01b6f-1779-7566-bb96-c4062d71f289" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_01a01b6f-1779-74dd-bf96-a4f983437e5b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VestingDomain_01a01b6f-1779-7566-bb96-c4062d71f289" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_01a01b6f-1779-74dd-bf96-a4f983437e5b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_01a01b6f-1779-7f09-a177-44196b9014d9" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01a01b6f-1779-791c-8aff-14d7b9ffa8bb" xlink:to="loc_srt_RangeAxis_01a01b6f-1779-7f09-a177-44196b9014d9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_01a01b6f-1779-7f09-a177-44196b9014d9_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_01a01b6f-1779-7f09-a177-44196b9014d9" xlink:to="loc_srt_RangeMember_01a01b6f-1779-7f09-a177-44196b9014d9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_01a01b6f-1779-7e4c-92f3-212c72cfef04" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_01a01b6f-1779-7f09-a177-44196b9014d9" xlink:to="loc_srt_RangeMember_01a01b6f-1779-7e4c-92f3-212c72cfef04" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_01a01b6f-1779-761c-94ad-2f2e330d3ede" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_01a01b6f-1779-7e4c-92f3-212c72cfef04" xlink:to="loc_srt_MinimumMember_01a01b6f-1779-761c-94ad-2f2e330d3ede" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_01a01b6f-1779-72d3-94af-5f4359d7fcf0" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_01a01b6f-1779-7e4c-92f3-212c72cfef04" xlink:to="loc_srt_MaximumMember_01a01b6f-1779-72d3-94af-5f4359d7fcf0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_01a01b6f-1779-7bcd-a0c1-d331cde1297a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_01a01b6f-1779-7bcd-a0c1-d331cde1297a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_01a01b6f-1779-7995-81a8-b8ec195b64c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_01a01b6f-1779-7995-81a8-b8ec195b64c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_01a01b6f-1779-7c26-a905-79badbac6abf" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_01a01b6f-1779-7c26-a905-79badbac6abf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_01a01b6f-1779-7025-8928-5c9ccb2fd715" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_01a01b6f-1779-7025-8928-5c9ccb2fd715" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_01a01b6f-1779-7dff-acfd-64a722cc71aa" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_01a01b6f-1779-7dff-acfd-64a722cc71aa" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_01a01b6f-1779-7ac8-ab01-5a18ad1c9ea3" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_01a01b6f-1779-7ac8-ab01-5a18ad1c9ea3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_01a01b6f-1779-7405-b9e4-33777f6ce56b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_01a01b6f-1779-7405-b9e4-33777f6ce56b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePeriod_01a01b6f-1779-7b09-af9b-f3c26e4a4dba" xlink:href="law-20260930.xsd#law_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_law_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardPerformancePeriod_01a01b6f-1779-7b09-af9b-f3c26e4a4dba" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_01a01b6f-1779-7c85-a7cc-461687c10043" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_01a01b6f-1779-7c85-a7cc-461687c10043" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_01a01b6f-1779-7198-bd76-947134bf425b" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_01a01b6f-1779-7198-bd76-947134bf425b" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirations_01a01b6f-1779-776a-81a2-a400752909f2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirations_01a01b6f-1779-776a-81a2-a400752909f2" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_01a01b6f-1779-7f6b-8f81-5820c8d1b08d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_01a01b6f-1779-7f6b-8f81-5820c8d1b08d" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_01a01b6f-1779-7d45-bc75-dcda88e7978d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_01a01b6f-1779-7d45-bc75-dcda88e7978d" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate_01a01b6f-1779-7365-bab5-bc3d0b9eb41d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionRate_01a01b6f-1779-7365-bab5-bc3d0b9eb41d" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionAmount_01a01b6f-1779-7de0-a4c1-8d19af231fc2" xlink:href="law-20260930.xsd#law_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_law_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumEmployeeSubscriptionAmount_01a01b6f-1779-7de0-a4c1-8d19af231fc2" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_01a01b6f-1779-7265-a7fe-9bdab4dc4b4a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent_01a01b6f-1779-7265-a7fe-9bdab4dc4b4a" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod_01a01b6f-1779-7d0f-8107-fb0d6205e732" xlink:href="law-20260930.xsd#law_ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_law_ShareBasedCompensationArrangementByShareBasedPaymentAwardPurchasePeriod_01a01b6f-1779-7d0f-8107-fb0d6205e732" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_01a01b6f-1779-752f-8652-e3778ea53d9e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7a60-8608-19ba20aab9a3" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_01a01b6f-1779-752f-8652-e3778ea53d9e" xlink:type="arc" order="17"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/StockholdersEquityScheduleofRestrictedStockUnitActivityDetails" xlink:type="simple" xlink:href="law-20260930.xsd#StockholdersEquityScheduleofRestrictedStockUnitActivityDetails"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/StockholdersEquityScheduleofRestrictedStockUnitActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7253-8c9f-fd4a02c31f6c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01a01b6f-1779-7f66-abf8-0de90d0e2071" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7253-8c9f-fd4a02c31f6c" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01a01b6f-1779-7f66-abf8-0de90d0e2071" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_01a01b6f-1779-727d-af70-589230c57935" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01a01b6f-1779-7f66-abf8-0de90d0e2071" xlink:to="loc_us-gaap_AwardTypeAxis_01a01b6f-1779-727d-af70-589230c57935" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_01a01b6f-1779-727d-af70-589230c57935_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_01a01b6f-1779-727d-af70-589230c57935" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_01a01b6f-1779-727d-af70-589230c57935_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_01a01b6f-1779-7a68-8e19-3eb37767a7c5" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_01a01b6f-1779-727d-af70-589230c57935" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_01a01b6f-1779-7a68-8e19-3eb37767a7c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_RestrictedStockUnitsRSUsAndPerformanceSharesPSUsMember_01a01b6f-1779-71dd-af70-4917d8366a7d" xlink:href="law-20260930.xsd#law_RestrictedStockUnitsRSUsAndPerformanceSharesPSUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_01a01b6f-1779-7a68-8e19-3eb37767a7c5" xlink:to="loc_law_RestrictedStockUnitsRSUsAndPerformanceSharesPSUsMember_01a01b6f-1779-71dd-af70-4917d8366a7d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_01a01b6f-1779-7bf7-9bbe-468c81a61864" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7253-8c9f-fd4a02c31f6c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_01a01b6f-1779-7bf7-9bbe-468c81a61864" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_01a01b6f-1779-725c-9d05-008e7e4e6275" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_01a01b6f-1779-7bf7-9bbe-468c81a61864" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_01a01b6f-1779-725c-9d05-008e7e4e6275" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_01a01b6f-1779-7a3a-9f8d-be682855aea0" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_01a01b6f-1779-7bf7-9bbe-468c81a61864" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_01a01b6f-1779-7a3a-9f8d-be682855aea0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_01a01b6f-1779-75f9-9601-d24004c0d276" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_01a01b6f-1779-7bf7-9bbe-468c81a61864" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_01a01b6f-1779-75f9-9601-d24004c0d276" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_01a01b6f-1779-79c6-b425-6222c108464a" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_01a01b6f-1779-7bf7-9bbe-468c81a61864" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_01a01b6f-1779-79c6-b425-6222c108464a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_01a01b6f-1779-78d5-819a-356f734d328f" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_01a01b6f-1779-7665-b97b-57df547a4afd" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7253-8c9f-fd4a02c31f6c" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_01a01b6f-1779-7665-b97b-57df547a4afd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_01a01b6f-1779-77ba-a33f-699d4bf8b657" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_01a01b6f-1779-7665-b97b-57df547a4afd" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_01a01b6f-1779-77ba-a33f-699d4bf8b657" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_01a01b6f-1779-7f47-a128-fecf77c3b658" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_01a01b6f-1779-7665-b97b-57df547a4afd" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_01a01b6f-1779-7f47-a128-fecf77c3b658" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_01a01b6f-1779-774e-beb4-049d4c65805c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_01a01b6f-1779-7665-b97b-57df547a4afd" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_01a01b6f-1779-774e-beb4-049d4c65805c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_01a01b6f-1779-75b4-bb34-630b3449ef13" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_01a01b6f-1779-7665-b97b-57df547a4afd" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_01a01b6f-1779-75b4-bb34-630b3449ef13" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_01a01b6f-1779-72b9-8a14-3c9d74fb6db6" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_01a01b6f-1779-75d3-a17c-36c0906306d2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_01a01b6f-1779-7253-8c9f-fd4a02c31f6c" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_01a01b6f-1779-75d3-a17c-36c0906306d2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_01a01b6f-1779-7737-a427-fc9f067067c2" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_01a01b6f-1779-75d3-a17c-36c0906306d2" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_01a01b6f-1779-7737-a427-fc9f067067c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_01a01b6f-1779-79f9-8856-ba3f7e71e5f9" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/NetLossPerShareAttributabletoCommonStockholdersScheduleofSecuritiesExcludedfromComputationofNetLossPerShareDetails" xlink:type="simple" xlink:href="law-20260930.xsd#NetLossPerShareAttributabletoCommonStockholdersScheduleofSecuritiesExcludedfromComputationofNetLossPerShareDetails"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/NetLossPerShareAttributabletoCommonStockholdersScheduleofSecuritiesExcludedfromComputationofNetLossPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_01a01b6f-1779-76e5-90e5-9e6dab7ab71c" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_01a01b6f-1779-7ea5-ac04-519f4729ec58" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_01a01b6f-1779-76e5-90e5-9e6dab7ab71c" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_01a01b6f-1779-7ea5-ac04-519f4729ec58" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_01a01b6f-1779-7767-b2e5-53e34d537414" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_01a01b6f-1779-7ea5-ac04-519f4729ec58" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_01a01b6f-1779-7767-b2e5-53e34d537414" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_01a01b6f-1779-7767-b2e5-53e34d537414_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_01a01b6f-1779-7767-b2e5-53e34d537414" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_01a01b6f-1779-7767-b2e5-53e34d537414_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_01a01b6f-1779-7422-9fcb-aff701b99d7e" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_01a01b6f-1779-7767-b2e5-53e34d537414" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_01a01b6f-1779-7422-9fcb-aff701b99d7e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_01a01b6f-1779-7339-8c05-ea69f8dfaa59" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_01a01b6f-1779-7422-9fcb-aff701b99d7e" xlink:to="loc_us-gaap_EmployeeStockOptionMember_01a01b6f-1779-7339-8c05-ea69f8dfaa59" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_01a01b6f-1779-7fb4-b212-f56463175431" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_01a01b6f-1779-7422-9fcb-aff701b99d7e" xlink:to="loc_us-gaap_RestrictedStockMember_01a01b6f-1779-7fb4-b212-f56463175431" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_RestrictedStockUnitsRSUsAndPerformanceBasedRestrictedStockUnitsPSUsMember_01a01b6f-1779-7d09-bdff-fa1d7ca2a310" xlink:href="law-20260930.xsd#law_RestrictedStockUnitsRSUsAndPerformanceBasedRestrictedStockUnitsPSUsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_01a01b6f-1779-7422-9fcb-aff701b99d7e" xlink:to="loc_law_RestrictedStockUnitsRSUsAndPerformanceBasedRestrictedStockUnitsPSUsMember_01a01b6f-1779-7d09-bdff-fa1d7ca2a310" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_01a01b6f-1779-7717-9525-c80bfd43e920" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_01a01b6f-1779-76e5-90e5-9e6dab7ab71c" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_01a01b6f-1779-7717-9525-c80bfd43e920" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://csdisco.com/role/SubsequentEventsDetails" xlink:type="simple" xlink:href="law-20260930.xsd#SubsequentEventsDetails"/>
  <link:definitionLink xlink:role="http://csdisco.com/role/SubsequentEventsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_01a01b6f-1779-7ceb-ba4a-34636629d106" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_01a01b6f-1779-7be0-9c7b-7d6a7c4e604d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_01a01b6f-1779-7ceb-ba4a-34636629d106" xlink:to="loc_us-gaap_SubsequentEventTable_01a01b6f-1779-7be0-9c7b-7d6a7c4e604d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_01a18abe-f1c4-76ad-b351-89df4da2866b" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_01a01b6f-1779-7be0-9c7b-7d6a7c4e604d" xlink:to="loc_srt_RangeAxis_01a18abe-f1c4-76ad-b351-89df4da2866b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_01a18abe-f1c4-76ad-b351-89df4da2866b_default" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_01a18abe-f1c4-76ad-b351-89df4da2866b" xlink:to="loc_srt_RangeMember_01a18abe-f1c4-76ad-b351-89df4da2866b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_01a18abe-f1c4-705d-8fa5-558fc8566e77" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_01a18abe-f1c4-76ad-b351-89df4da2866b" xlink:to="loc_srt_RangeMember_01a18abe-f1c4-705d-8fa5-558fc8566e77" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_01a18abf-17aa-7339-bfbf-b5dc112d4412" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_01a18abe-f1c4-705d-8fa5-558fc8566e77" xlink:to="loc_srt_MinimumMember_01a18abf-17aa-7339-bfbf-b5dc112d4412" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_01a18abf-3588-72a5-965e-77e85112f899" xlink:href="https://xbrl.fasb.org/srt/2026/elts/srt-2026.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_01a18abe-f1c4-705d-8fa5-558fc8566e77" xlink:to="loc_srt_MaximumMember_01a18abf-3588-72a5-965e-77e85112f899" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_01a18ac0-27ae-75f1-a049-414a15934305" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_01a01b6f-1779-7be0-9c7b-7d6a7c4e604d" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_01a18ac0-27ae-75f1-a049-414a15934305" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_01a18ac0-27ae-75f1-a049-414a15934305_default" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_01a18ac0-27ae-75f1-a049-414a15934305" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_01a18ac0-27ae-75f1-a049-414a15934305_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_01a18ac0-27ae-743d-807c-9e12481984db" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_01a18ac0-27ae-75f1-a049-414a15934305" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_01a18ac0-27ae-743d-807c-9e12481984db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_01a18ac0-52a7-7f02-8fda-8732bcdefe42" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_01a18ac0-27ae-743d-807c-9e12481984db" xlink:to="loc_us-gaap_SubsequentEventMember_01a18ac0-52a7-7f02-8fda-8732bcdefe42" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated_01a18a85-79e3-7552-a0ac-5dc1aa276c66" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_01a01b6f-1779-7ceb-ba4a-34636629d106" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated_01a18a85-79e3-7552-a0ac-5dc1aa276c66" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_law_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminatedPercentage_01a18a85-d10d-7689-81d8-ff45600285f3" xlink:href="law-20260930.xsd#law_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_01a01b6f-1779-7ceb-ba4a-34636629d106" xlink:to="loc_law_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminatedPercentage_01a18a85-d10d-7689-81d8-ff45600285f3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedCost1_01a18abe-1d81-72a1-ae26-d99b1239051d" xlink:href="https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd#us-gaap_RestructuringAndRelatedCostExpectedCost1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_01a01b6f-1779-7ceb-ba4a-34636629d106" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedCost1_01a18abe-1d81-72a1-ae26-d99b1239051d" xlink:type="arc" order="2"/>
  </link:definitionLink>
</link:linkbase>
