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<!-- Creation Date: 2026-11-13T17:02:11.5596+00:00 -->
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  <xs:element id="jatt_FairValueOfFounderShare" name="FairValueOfFounderShare" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="jatt_OrdinarySharesSubjectToForfeiture" name="OrdinarySharesSubjectToForfeiture" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="jatt_PromissoryNoteRelatedPartyMember" name="PromissoryNoteRelatedPartyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_FounderShareMember" name="FounderShareMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_SponsorPaidCost" name="SponsorPaidCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="jatt_InitialPublicOfferingDetailsTable" name="InitialPublicOfferingDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_PrivatePlacementDetailsTable" name="PrivatePlacementDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_RelatedPartyTransactionsDetailsTable" name="RelatedPartyTransactionsDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_UnderwriterDayOption" name="UnderwriterDayOption" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="jatt_CashUnderwritingDiscount" name="CashUnderwritingDiscount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="jatt_PaymentsForServices" name="PaymentsForServices" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="jatt_NonRedeemableOrdinarySharesMember" name="NonRedeemableOrdinarySharesMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_ScheduleOfBasicAndDilutedNetLossPerOrdinaryShareTable" name="ScheduleOfBasicAndDilutedNetLossPerOrdinaryShareTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_RedeemableOrdinarySharesMember" name="RedeemableOrdinarySharesMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_OfferingCostsIncludedInAccruedOfferingCosts" name="OfferingCostsIncludedInAccruedOfferingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="jatt_PaymentOfFormationGeneralAndAdministrativeExpensesThroughIssuanceOfOrdinaryShares" name="PaymentOfFormationGeneralAndAdministrativeExpensesThroughIssuanceOfOrdinaryShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="jatt_PaymentOfOperatingExpensesThroughPromissoryNoteRelatedParty" name="PaymentOfOperatingExpensesThroughPromissoryNoteRelatedParty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="jatt_IncreaseDecreaseInDeferredLegalFees" name="IncreaseDecreaseInDeferredLegalFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="jatt_ProceedsFromUnderwritersReimbursement" name="ProceedsFromUnderwritersReimbursement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="jatt_InitialPublicOfferingDisclosureTextBlock" name="InitialPublicOfferingDisclosureTextBlock" type="dtr:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="jatt_ProceedsFromSaleOfPublicSharesNetOfUnderwritingDiscountsPaid" name="ProceedsFromSaleOfPublicSharesNetOfUnderwritingDiscountsPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="jatt_UnderwritersReimbursementNet" name="UnderwritersReimbursementNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="jatt_DeferredUnderwritingFee" name="DeferredUnderwritingFee" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="jatt_PercentageOfAggregateFairMarketValueOfTrustAccount" name="PercentageOfAggregateFairMarketValueOfTrustAccount" type="dtr:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="jatt_PercentageOfBusinessAcquisitionPostTransaction" name="PercentageOfBusinessAcquisitionPostTransaction" type="dtr:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="jatt_CashAndInvestmentsHeldInTrustAccountPolicyTextBlock" name="CashAndInvestmentsHeldInTrustAccountPolicyTextBlock" type="dtr:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="jatt_JATTIIIAcquisitionCorpMember" name="JATTIIIAcquisitionCorpMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_TrustAccountMember" name="TrustAccountMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_ThresholdNumberOfBusinessDaysToRedeemPublicSharesFromCombinationPeriod" name="ThresholdNumberOfBusinessDaysToRedeemPublicSharesFromCombinationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" />
  <xs:element id="jatt_SponsorMember" name="SponsorMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_PlusAbstract" name="PlusAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_FairValueOfFounderSharesValue" name="FairValueOfFounderSharesValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="jatt_WorkingCapitalLoanMember" name="WorkingCapitalLoanMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_DeferredLegalFees" name="DeferredLegalFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit" />
  <xs:element id="jatt_CommitmentsandContingenciesDetailsTable" name="CommitmentsandContingenciesDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_ShareholdersDeficitDetailsTable" name="ShareholdersDeficitDetailsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="jatt_FairValueOfFounderShares" name="FairValueOfFounderShares" type="dtr:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="jatt_SharesNoLongerSubjectToForfeiture" name="SharesNoLongerSubjectToForfeiture" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
  <xs:element id="jatt_NoLongerSubjectToForfeitureShares" name="NoLongerSubjectToForfeitureShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" />
</xs:schema>
