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  <xs:element id="actg_U.K.FacilityMember" abstract="true" name="U.K.FacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_OilAndGasDepreciationAndDepletionExpense" abstract="false" name="OilAndGasDepreciationAndDepletionExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_FloorProtectionBusinessAssetsMember" abstract="true" name="FloorProtectionBusinessAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_ARGMember" abstract="true" name="ARGMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_AcceleratedAmortizationOfPatents" abstract="false" name="AcceleratedAmortizationOfPatents" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_AccruedConsultingAndOtherProfessionalFees" abstract="false" name="AccruedConsultingAndOtherProfessionalFees" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_ServiceContractCostsAccruedCurrent" abstract="false" name="ServiceContractCostsAccruedCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_AssetRetirementObligationChangesInAssumptions" abstract="false" name="AssetRetirementObligationChangesInAssumptions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_LoanAgreementMember" abstract="true" name="LoanAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_DeflectoCreditAgreementMember" abstract="true" name="DeflectoCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_AlternateBaseRateMember" abstract="true" name="AlternateBaseRateMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_DebtInstrumentCovenantPeriodAxis" abstract="true" name="DebtInstrumentCovenantPeriodAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="actg_DebtInstrumentCovenantPeriodDomain" abstract="true" name="DebtInstrumentCovenantPeriodDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_DebtInstrumentCovenantPeriodOneMember" abstract="true" name="DebtInstrumentCovenantPeriodOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_DebtInstrumentCovenantPeriodTwoMember" abstract="true" name="DebtInstrumentCovenantPeriodTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_DebtInstrumentCovenantPeriodThreeMember" abstract="true" name="DebtInstrumentCovenantPeriodThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_LineOfCreditFacilityAccordionFeatureIncreaseLimit" abstract="false" name="LineOfCreditFacilityAccordionFeatureIncreaseLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_DebtInstrumentCovenantDebtToEBITDARatioUnrestrictedCashAmount" abstract="false" name="DebtInstrumentCovenantDebtToEBITDARatioUnrestrictedCashAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_DebtInstrumentCovenantDebtToEBITDARatioMaximum" abstract="false" name="DebtInstrumentCovenantDebtToEBITDARatioMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="actg_DebtInstrumentCovenantEBITDAMinimum" abstract="false" name="DebtInstrumentCovenantEBITDAMinimum" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_DebtInstrumentCovenantLiquidityMinimum" abstract="false" name="DebtInstrumentCovenantLiquidityMinimum" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_SeriesARedeemableConvertibleStockMember" abstract="false" name="SeriesARedeemableConvertibleStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_SeriesAWarrantsMember" abstract="false" name="SeriesAWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_SeriesBWarrantsMember" abstract="false" name="SeriesBWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_StarboardValueMember" abstract="false" name="StarboardValueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_WarrantsIssuedPricePerShare" abstract="false" name="WarrantsIssuedPricePerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="actg_WarrantsIssuedShares" abstract="false" name="WarrantsIssuedShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="actg_CommonStockPercentageOfSharesOutstanding" abstract="false" name="CommonStockPercentageOfSharesOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="actg_ServicesAgreementPaymentsForReimbursement" abstract="false" name="ServicesAgreementPaymentsForReimbursement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_OilAndGasPropertiesMeasurementInput" abstract="false" name="OilAndGasPropertiesMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="actg_BitcoinOptionMember" abstract="true" name="BitcoinOptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_DerivativeAssetStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag" abstract="false" name="DerivativeAssetStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="actg_LoanFacilityWithPrivatePortfolioCompanyMember" abstract="true" name="LoanFacilityWithPrivatePortfolioCompanyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_ServicesWithPurchaseAndOwnershipOfAssetBackedLoansMember" abstract="true" name="ServicesWithPurchaseAndOwnershipOfAssetBackedLoansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_LoansReceivableInterestRate" abstract="false" name="LoansReceivableInterestRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="actg_NonstatutoryOptionsMember" abstract="true" name="NonstatutoryOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_IncentiveStockOptionsMember" abstract="true" name="IncentiveStockOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_TimeBasedServiceMember" abstract="false" name="TimeBasedServiceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_NonVestedMember" abstract="false" name="NonVestedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_DiscretionaryOptionGrantProgramMember" abstract="true" name="DiscretionaryOptionGrantProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_A2013PlanMember" abstract="true" name="A2013PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_Plan2016Member" abstract="false" name="Plan2016Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_AllPlansMember" abstract="false" name="AllPlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_A2024PlanMember" abstract="true" name="A2024PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_OwnershipOfVotingInterestsAxisAxis" abstract="true" name="OwnershipOfVotingInterestsAxisAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="actg_OwnershipOfVotingInterestsAxisDomain" abstract="true" name="OwnershipOfVotingInterestsAxisDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_LessThan10Member" abstract="true" name="LessThan10Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_A10OrMoreMemberMember" abstract="true" name="A10OrMoreMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_OwnershipPercentOfVotingStock" abstract="false" name="OwnershipPercentOfVotingStock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="actg_AggregateIntrinsicValueAbstract" abstract="true" name="AggregateIntrinsicValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="actg_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodIntrinsicValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodIntrinsicValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_NonvestedRestrictedSharesAbstract" abstract="true" name="NonvestedRestrictedSharesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="actg_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedWeightedAverageRemainingVestingPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedWeightedAverageRemainingVestingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="actg_EquityBasedIncentiveAwardsMember" abstract="false" name="EquityBasedIncentiveAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_EmployeeStockOptionsMember" abstract="false" name="EmployeeStockOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_EarningsPerShareBasicAndDilutedDeniminatorAbstract" abstract="true" name="EarningsPerShareBasicAndDilutedDeniminatorAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="actg_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmountAbstract" abstract="true" name="AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmountAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="actg_LicenseFeesMember" abstract="true" name="LicenseFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_PrintersAndPartsMember" abstract="true" name="PrintersAndPartsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_CanadaAndLatinAmericaMember" abstract="true" name="CanadaAndLatinAmericaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_AsiaPacificExcludingChinaAndIndiaMember" abstract="true" name="AsiaPacificExcludingChinaAndIndiaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_NotePurchaseAgreementMember" abstract="true" name="NotePurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_BenchmarkEnergyIIDevCoLLCMember" abstract="true" name="BenchmarkEnergyIIDevCoLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_MycoviaPharmaceuticalsInc.Member" abstract="true" name="MycoviaPharmaceuticalsInc.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="actg_DebtInstrumentAmountCommitted" abstract="false" name="DebtInstrumentAmountCommitted" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_DebtInstrumentAccordionAmount" abstract="false" name="DebtInstrumentAccordionAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_DebtInstrumentAmountCommittedDiscountFactorPercent" abstract="false" name="DebtInstrumentAmountCommittedDiscountFactorPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
</xs:schema>
