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  <xsd:element name="FacilityLeasesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="iova_FacilityLeasesMember" substitutionGroup="xbrli:item" />
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  <xsd:element id="iova_NotificationPeriodToTerminateAgreement" name="NotificationPeriodToTerminateAgreement" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="iova_NumberOfSuitesUnderAgreement" name="NumberOfSuitesUnderAgreement" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="iova_NumberOfStatementsOfWork" name="NumberOfStatementsOfWork" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="iova_SolomonCapitalLlcLitigationMember" name="SolomonCapitalLlcLitigationMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
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