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  <xs:element id="actg_CanadaAndLatinAmericaMember" abstract="true" name="CanadaAndLatinAmericaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="actg_EquitySecuritesLfFundPublicSecuritiesMemberMember" abstract="true" name="EquitySecuritesLfFundPublicSecuritiesMemberMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_StockRepurchaseProgramMember" abstract="false" name="StockRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="actg_SeriesARedeemableConvertiblePreferredStockMember" abstract="false" name="SeriesARedeemableConvertiblePreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_IssuanceOfCommonStockFromTheRightsOffering" abstract="false" name="IssuanceOfCommonStockFromTheRightsOffering" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="actg_RecapitalizationAgreementExercisePeriod" abstract="false" name="RecapitalizationAgreementExercisePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="actg_AllPlansMember" abstract="false" name="AllPlansMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_AmortizationOfPatents" abstract="false" name="AmortizationOfPatents" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_StockIssuedDuringPeriodValueWarrantsExercised" abstract="false" name="StockIssuedDuringPeriodValueWarrantsExercised" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="actg_IndustrialOperationsMember" abstract="true" name="IndustrialOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="actg_RoyaltiesAndContingentLegalFeesPayable" abstract="false" name="RoyaltiesAndContingentLegalFeesPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_TimeBasedServiceMember" abstract="false" name="TimeBasedServiceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="actg_ChangeInFairValueOfDilutiveSeriesBWarrants" abstract="false" name="ChangeInFairValueOfDilutiveSeriesBWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="actg_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityConversions" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityConversions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="actg_DynamicsSingSdnBhdMember" abstract="true" name="DynamicsSingSdnBhdMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_AccruedPatentInvestmentCostsCurrent" abstract="false" name="AccruedPatentInvestmentCostsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="actg_IssuanceOfCommonStockFromTheRightsOfferingShares" abstract="false" name="IssuanceOfCommonStockFromTheRightsOfferingShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="actg_EquitySecuritiesAtFairValuePolicyTextBlock" abstract="false" name="EquitySecuritiesAtFairValuePolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
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  <xs:element id="actg_ClassOfWarrantOrRightRecapitalizationPayment" abstract="false" name="ClassOfWarrantOrRightRecapitalizationPayment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="actg_InvestmentSecuritiesPrivateEquityPolicyTextBlock" abstract="false" name="InvestmentSecuritiesPrivateEquityPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="actg_LessThan10Member" abstract="true" name="LessThan10Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="actg_DividendOnSeriesARedeemableConvertiblePreferredStock" abstract="false" name="DividendOnSeriesARedeemableConvertiblePreferredStock" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_EquityBasedIncentiveAwardsMember" abstract="false" name="EquityBasedIncentiveAwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_PotentiallyDilutiveCommonSharesAbstract" abstract="true" name="PotentiallyDilutiveCommonSharesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
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  <xs:element id="actg_StockIssuedDuringPeriodWarrantsForegoneTimeValue" abstract="false" name="StockIssuedDuringPeriodWarrantsForegoneTimeValue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_RedemptionOfSecuredNotes" abstract="false" name="RedemptionOfSecuredNotes" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_DescriptionOfBusinessPolicyTextBlock" abstract="false" name="DescriptionOfBusinessPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
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  <xs:element id="actg_LitigationAndLicensingExpensesPatents" abstract="false" name="LitigationAndLicensingExpensesPatents" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_BlackScholesMethodMember" abstract="false" name="BlackScholesMethodMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_AcceleratedAmortizationOfPatents" abstract="false" name="AcceleratedAmortizationOfPatents" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
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  <xs:element id="actg_IntellectualPropertyOperationsMember" abstract="true" name="IntellectualPropertyOperationsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="actg_TemporaryEquityConvertedStockShares" abstract="false" name="TemporaryEquityConvertedStockShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="actg_NonstatutoryOptionsMember" abstract="true" name="NonstatutoryOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="actg_EquityMethodInvestmentsCurrent" abstract="false" name="EquityMethodInvestmentsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_SeriesAEmbeddedDerivativeLiabilityMember" abstract="false" name="SeriesAEmbeddedDerivativeLiabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_PrintersConsumablesAndPartsMember" abstract="true" name="PrintersConsumablesAndPartsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_NonvestedRestrictedSharesAbstract" abstract="true" name="NonvestedRestrictedSharesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="actg_StockAndWarrantsIssuedDuringPeriodSharesPreferredStockAndWarrants" abstract="false" name="StockAndWarrantsIssuedDuringPeriodSharesPreferredStockAndWarrants" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
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  <xs:element id="actg_NumberOfPatentPortfoliosAcquired" abstract="false" name="NumberOfPatentPortfoliosAcquired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="actg_IncreaseDecreaseInRoyaltiesAndContingentLegalFeesPayable" abstract="false" name="IncreaseDecreaseInRoyaltiesAndContingentLegalFeesPayable" 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"/>
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  <xs:element id="actg_ImpairmentOfInvestmentsPolicyTextBlock" abstract="false" name="ImpairmentOfInvestmentsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="actg_ContingentLegalFees" abstract="false" name="ContingentLegalFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_StarboardInvestmentAbstract" abstract="true" name="StarboardInvestmentAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="actg_OwnershipOfVotingInterestsAxisAxis" abstract="true" name="OwnershipOfVotingInterestsAxisAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
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  <xs:element id="actg_ClassOfWarrantOrRightWarrantsSubjectToAdjustments" abstract="false" name="ClassOfWarrantOrRightWarrantsSubjectToAdjustments" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="actg_PPCIrvineCenterInvestmentLLCMember" abstract="true" name="PPCIrvineCenterInvestmentLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_BusinessCombinationConsiderationTransferredWorkingCapitalAdjustments" abstract="false" name="BusinessCombinationConsiderationTransferredWorkingCapitalAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_PrintronixMember" abstract="true" name="PrintronixMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
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  <xs:element id="actg_TradingSecuritesLfFundSecuritiesMember" abstract="false" name="TradingSecuritesLfFundSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_DebtInstrumentRequiredMinimumAmountHeldInEscrow" abstract="false" name="DebtInstrumentRequiredMinimumAmountHeldInEscrow" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_AggregateIntrinsicValueAbstract" abstract="true" name="AggregateIntrinsicValueAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="actg_ConsumableProductsMember" abstract="true" name="ConsumableProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_DebtInstrumentMakeWholePremiumPercent" abstract="false" name="DebtInstrumentMakeWholePremiumPercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="actg_PortfolioCompaniesMember" abstract="false" name="PortfolioCompaniesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1: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_A2013PlanMember" abstract="true" name="A2013PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_IssuanceOfCommonStockForVestingOfRestrictedStockUnitsShares" abstract="false" name="IssuanceOfCommonStockForVestingOfRestrictedStockUnitsShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="actg_AsiaPacificExcludingChinaAndIndiaMember" abstract="true" name="AsiaPacificExcludingChinaAndIndiaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_ComputerHardwareAndSoftwareMember" abstract="true" name="ComputerHardwareAndSoftwareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_AccretionOfSeriesARedeemableConvertiblePreferredStock" abstract="false" name="AccretionOfSeriesARedeemableConvertiblePreferredStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_SaleOfCommonStockMaximumSharesSold" abstract="false" name="SaleOfCommonStockMaximumSharesSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="actg_MalinJ1Member" abstract="true" name="MalinJ1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_StarboardValueMember" abstract="false" name="StarboardValueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_WarrantsIssuedShares" abstract="false" name="WarrantsIssuedShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="actg_UnrealizedGainLossOnDerivatives1" abstract="false" name="UnrealizedGainLossOnDerivatives1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="actg_ShanghaiSongYunEnterpriseManagementCenterMember" abstract="true" name="ShanghaiSongYunEnterpriseManagementCenterMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="actg_AreaOfOfficeSpace" abstract="false" name="AreaOfOfficeSpace" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:areaItemType"/>
</xs:schema>
