<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by CompSci Transform (tm) - http://www.compsciresources.com -->
<!-- Created: Thu Apr 02 20:45:29 UTC 2026 -->
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        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
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  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
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  <xs:import namespace="http://xbrl.sec.gov/sic/2025" schemaLocation="https://xbrl.sec.gov/sic/2025/sic-2025.xsd"/>
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  <xs:element name="OrdinarySharesOfferedMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jatt_OrdinarySharesOfferedMember"/>
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  <xs:element name="JATTIIAcquisitionSponsorMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jatt_JATTIIAcquisitionSponsorMember"/>
  <xs:element name="DrSomeitSidhuMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jatt_DrSomeitSidhuMember"/>
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  <xs:element name="IndependentDirectorsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jatt_IndependentDirectorsMember"/>
  <xs:element name="IndependentConsultantMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jatt_IndependentConsultantMember"/>
  <xs:element name="JATTIIAcquisitionSponsorAndAffliatesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jatt_JATTIIAcquisitionSponsorAndAffliatesMember"/>
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  <xs:element name="InitialShareholdersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jatt_InitialShareholdersMember"/>
  <xs:element name="OfficersDirectorsAndAdvisorsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jatt_OfficersDirectorsAndAdvisorsMember"/>
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</xs:schema>
