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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_DB72030EC31E42E0E2B44633D3BC42DA_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_DB72030EC31E42E0E2B44633D3BC42DA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Equity Award [Domain]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_DB72030EC31E42E0E2B44633D3BC42DA_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_DB72030EC31E42E0E2B44633D3BC42DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Award [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_DB72030EC31E42E0E2B44633D3BC42DA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_DB72030EC31E42E0E2B44633D3BC42DA" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_DB72030EC31E42E0E2B44633D3BC42DA" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockCompensationPlanMember_32C3EDE304E0F73F2E844633D3BC9B4C_terseLabel_en-US" xlink:label="lab_us-gaap_StockCompensationPlanMember_32C3EDE304E0F73F2E844633D3BC9B4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Compensation Plan [Member]</link:label>
    <link:label id="lab_us-gaap_StockCompensationPlanMember_32C3EDE304E0F73F2E844633D3BC9B4C_label_en-US" xlink:label="lab_us-gaap_StockCompensationPlanMember_32C3EDE304E0F73F2E844633D3BC9B4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Compensation Plan [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockCompensationPlanMember" xlink:label="loc_us-gaap_StockCompensationPlanMember_32C3EDE304E0F73F2E844633D3BC9B4C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockCompensationPlanMember_32C3EDE304E0F73F2E844633D3BC9B4C" xlink:to="lab_us-gaap_StockCompensationPlanMember_32C3EDE304E0F73F2E844633D3BC9B4C" xlink:type="arc" />
    <link:label id="lab_rmbs_RestrictedStockAndStockUnitsMember_60494BCFAB45808EFFB34633FC2D8AA7_terseLabel_en-US" xlink:label="lab_rmbs_RestrictedStockAndStockUnitsMember_60494BCFAB45808EFFB34633FC2D8AA7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted Stock and Stock Units [Member]</link:label>
    <link:label id="lab_rmbs_RestrictedStockAndStockUnitsMember_60494BCFAB45808EFFB34633FC2D8AA7_label_en-US" xlink:label="lab_rmbs_RestrictedStockAndStockUnitsMember_60494BCFAB45808EFFB34633FC2D8AA7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock and Stock Units [Member]</link:label>
    <link:label id="lab_rmbs_RestrictedStockAndStockUnitsMember_60494BCFAB45808EFFB34633FC2D8AA7_documentation_en-US" xlink:label="lab_rmbs_RestrictedStockAndStockUnitsMember_60494BCFAB45808EFFB34633FC2D8AA7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restricted stock and stock units as awarded by a company to their employees as a form of incentive compensation.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_RestrictedStockAndStockUnitsMember" xlink:label="loc_rmbs_RestrictedStockAndStockUnitsMember_60494BCFAB45808EFFB34633FC2D8AA7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_RestrictedStockAndStockUnitsMember_60494BCFAB45808EFFB34633FC2D8AA7" xlink:to="lab_rmbs_RestrictedStockAndStockUnitsMember_60494BCFAB45808EFFB34633FC2D8AA7" xlink:type="arc" />
    <link:label id="lab_us-gaap_VestingAxis_EB411D84671182ADA8C74633D3BCFD29_terseLabel_en-US" xlink:label="lab_us-gaap_VestingAxis_EB411D84671182ADA8C74633D3BCFD29" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting [Axis]</link:label>
    <link:label id="lab_us-gaap_VestingAxis_EB411D84671182ADA8C74633D3BCFD29_label_en-US" xlink:label="lab_us-gaap_VestingAxis_EB411D84671182ADA8C74633D3BCFD29" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VestingAxis" xlink:label="loc_us-gaap_VestingAxis_EB411D84671182ADA8C74633D3BCFD29" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VestingAxis_EB411D84671182ADA8C74633D3BCFD29" xlink:to="lab_us-gaap_VestingAxis_EB411D84671182ADA8C74633D3BCFD29" xlink:type="arc" />
    <link:label id="lab_us-gaap_VestingDomain_54B8DF594755A7206B0A4633D3BCC18A_terseLabel_en-US" xlink:label="lab_us-gaap_VestingDomain_54B8DF594755A7206B0A4633D3BCC18A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting [Domain]</link:label>
    <link:label id="lab_us-gaap_VestingDomain_54B8DF594755A7206B0A4633D3BCC18A_label_en-US" xlink:label="lab_us-gaap_VestingDomain_54B8DF594755A7206B0A4633D3BCC18A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain_54B8DF594755A7206B0A4633D3BCC18A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VestingDomain_54B8DF594755A7206B0A4633D3BCC18A" xlink:to="lab_us-gaap_VestingDomain_54B8DF594755A7206B0A4633D3BCC18A" xlink:type="arc" />
    <link:label id="lab_rmbs_OptionOneMember_24812A7AE259A8FE1E1A4633D3BC6D86_terseLabel_en-US" xlink:label="lab_rmbs_OptionOneMember_24812A7AE259A8FE1E1A4633D3BC6D86" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Option One</link:label>
    <link:label id="lab_rmbs_OptionOneMember_24812A7AE259A8FE1E1A4633D3BC6D86_label_en-US" xlink:label="lab_rmbs_OptionOneMember_24812A7AE259A8FE1E1A4633D3BC6D86" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Option One [Member]</link:label>
    <link:label id="lab_rmbs_OptionOneMember_24812A7AE259A8FE1E1A4633D3BC6D86_documentation_en-US" xlink:label="lab_rmbs_OptionOneMember_24812A7AE259A8FE1E1A4633D3BC6D86" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Option One [Member]</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_OptionOneMember" xlink:label="loc_rmbs_OptionOneMember_24812A7AE259A8FE1E1A4633D3BC6D86" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_OptionOneMember_24812A7AE259A8FE1E1A4633D3BC6D86" xlink:to="lab_rmbs_OptionOneMember_24812A7AE259A8FE1E1A4633D3BC6D86" xlink:type="arc" />
    <link:label id="lab_rmbs_OptionTwoMember_07BE8D9B3C146EAC9FC14633D3BCDA6A_terseLabel_en-US" xlink:label="lab_rmbs_OptionTwoMember_07BE8D9B3C146EAC9FC14633D3BCDA6A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Option Two</link:label>
    <link:label id="lab_rmbs_OptionTwoMember_07BE8D9B3C146EAC9FC14633D3BCDA6A_label_en-US" xlink:label="lab_rmbs_OptionTwoMember_07BE8D9B3C146EAC9FC14633D3BCDA6A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Option Two [Member]</link:label>
    <link:label id="lab_rmbs_OptionTwoMember_07BE8D9B3C146EAC9FC14633D3BCDA6A_documentation_en-US" xlink:label="lab_rmbs_OptionTwoMember_07BE8D9B3C146EAC9FC14633D3BCDA6A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Option Two [Member]</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_OptionTwoMember" xlink:label="loc_rmbs_OptionTwoMember_07BE8D9B3C146EAC9FC14633D3BCDA6A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_OptionTwoMember_07BE8D9B3C146EAC9FC14633D3BCDA6A" xlink:to="lab_rmbs_OptionTwoMember_07BE8D9B3C146EAC9FC14633D3BCDA6A" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6066F36AEA835FEA37C54633D3BCA119_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6066F36AEA835FEA37C54633D3BCA119" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6066F36AEA835FEA37C54633D3BCA119_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6066F36AEA835FEA37C54633D3BCA119" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6066F36AEA835FEA37C54633D3BCA119" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6066F36AEA835FEA37C54633D3BCA119" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6066F36AEA835FEA37C54633D3BCA119" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_94F3C0DA249543FAECFC4633D3BDD45F_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_94F3C0DA249543FAECFC4633D3BDD45F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Requisite service period (in months)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_94F3C0DA249543FAECFC4633D3BDD45F_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_94F3C0DA249543FAECFC4633D3BDD45F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_94F3C0DA249543FAECFC4633D3BDD45F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_94F3C0DA249543FAECFC4633D3BDD45F" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_94F3C0DA249543FAECFC4633D3BDD45F" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_EA5771133E027077A99C4633D3BD2F60_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_EA5771133E027077A99C4633D3BD2F60" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tenure of award (in years)</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_EA5771133E027077A99C4633D3BD2F60_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_EA5771133E027077A99C4633D3BD2F60" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_EA5771133E027077A99C4633D3BD2F60" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_EA5771133E027077A99C4633D3BD2F60" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_EA5771133E027077A99C4633D3BD2F60" xlink:type="arc" />
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantNumerator_24DEFA6E94D2746F98D04633D3BD55A7_terseLabel_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantNumerator_24DEFA6E94D2746F98D04633D3BD55A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Numerator in conversion factor used to determine shares available for grant</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantNumerator_24DEFA6E94D2746F98D04633D3BD55A7_label_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantNumerator_24DEFA6E94D2746F98D04633D3BD55A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award, Options to Derive Shares Available for Grant, Numerator</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantNumerator_24DEFA6E94D2746F98D04633D3BD55A7_documentation_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantNumerator_24DEFA6E94D2746F98D04633D3BD55A7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the numerator in the conversion factor used to determine the change in remaining shares available for grant.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantNumerator" xlink:label="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantNumerator_24DEFA6E94D2746F98D04633D3BD55A7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantNumerator_24DEFA6E94D2746F98D04633D3BD55A7" xlink:to="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantNumerator_24DEFA6E94D2746F98D04633D3BD55A7" xlink:type="arc" />
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantDenominator_A9BBE7A703919E1A46514633D3BD555E_terseLabel_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantDenominator_A9BBE7A703919E1A46514633D3BD555E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Denominator in conversion factor used to determine shares available for grant</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantDenominator_A9BBE7A703919E1A46514633D3BD555E_label_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantDenominator_A9BBE7A703919E1A46514633D3BD555E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award, Options to Derive Shares Available for Grant, Denominator</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantDenominator_A9BBE7A703919E1A46514633D3BD555E_documentation_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantDenominator_A9BBE7A703919E1A46514633D3BD555E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the denominator in the conversion factor used to determine the change in remaining shares available for grant.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantDenominator" xlink:label="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantDenominator_A9BBE7A703919E1A46514633D3BD555E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantDenominator_A9BBE7A703919E1A46514633D3BD555E" xlink:to="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsToDeriveSharesAvailableForGrantDenominator_A9BBE7A703919E1A46514633D3BD555E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_2D3B00DCDEB25503B6214633D3BDCDFC_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_2D3B00DCDEB25503B6214633D3BDCDFC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of shares reserved for issuance under the stock option plan</link:label>
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    <link:label id="lab_us-gaap_RestructuringCosts_B843902FFA9458FBC7E84819CC31C34C_terseLabel_en-US" xlink:label="lab_us-gaap_RestructuringCosts_B843902FFA9458FBC7E84819CC31C34C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-cash restructuring</link:label>
    <link:label id="lab_us-gaap_RestructuringCosts_B843902FFA9458FBC7E84819CC31C34C_label_en-US" xlink:label="lab_us-gaap_RestructuringCosts_B843902FFA9458FBC7E84819CC31C34C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restructuring Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RestructuringCosts" xlink:label="loc_us-gaap_RestructuringCosts_B843902FFA9458FBC7E84819CC31C34C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_GainLossOnDispositionOfAssets1_D04272003BC54AA478764819CC31F9E8_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets1_D04272003BC54AA478764819CC31F9E8" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Gain from sale of intellectual property and property, plant and equipment, net</link:label>
    <link:label id="lab_us-gaap_GainLossOnDispositionOfAssets1_D04272003BC54AA478764819CC31F9E8_label_en-US" xlink:label="lab_us-gaap_GainLossOnDispositionOfAssets1_D04272003BC54AA478764819CC31F9E8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Disposition of Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets1_D04272003BC54AA478764819CC31F9E8" xlink:type="locator" />
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    <link:label id="lab_rmbs_EffectofExchangeRateonassumedcashliabilityfromacquisition_E6D3E8EC62CB8CE47E5D4819CC316D54_negatedTerseLabel_en-US" xlink:label="lab_rmbs_EffectofExchangeRateonassumedcashliabilityfromacquisition_E6D3E8EC62CB8CE47E5D4819CC316D54" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Effect of Exchange Rate on assumed cash liability from acquisition</link:label>
    <link:label id="lab_rmbs_EffectofExchangeRateonassumedcashliabilityfromacquisition_E6D3E8EC62CB8CE47E5D4819CC316D54_label_en-US" xlink:label="lab_rmbs_EffectofExchangeRateonassumedcashliabilityfromacquisition_E6D3E8EC62CB8CE47E5D4819CC316D54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effect of Exchange Rate on assumed cash liability from acquisition</link:label>
    <link:label id="lab_rmbs_EffectofExchangeRateonassumedcashliabilityfromacquisition_E6D3E8EC62CB8CE47E5D4819CC316D54_documentation_en-US" xlink:label="lab_rmbs_EffectofExchangeRateonassumedcashliabilityfromacquisition_E6D3E8EC62CB8CE47E5D4819CC316D54" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Effect of Exchange Rate on assumed cash liability from acquisition.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_EffectofExchangeRateonassumedcashliabilityfromacquisition" xlink:label="loc_rmbs_EffectofExchangeRateonassumedcashliabilityfromacquisition_E6D3E8EC62CB8CE47E5D4819CC316D54" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_EffectofExchangeRateonassumedcashliabilityfromacquisition_E6D3E8EC62CB8CE47E5D4819CC316D54" xlink:to="lab_rmbs_EffectofExchangeRateonassumedcashliabilityfromacquisition_E6D3E8EC62CB8CE47E5D4819CC316D54" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_91B931E6E4318B40F8AF4819CC3117BB_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_91B931E6E4318B40F8AF4819CC3117BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in operating assets and liabilities, net of effects of acquisitions:</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_91B931E6E4318B40F8AF4819CC3117BB" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_1D4CA0CDBAD410FFE8914819CC31AD95" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_1D4CA0CDBAD410FFE8914819CC31AD95" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_1D4CA0CDBAD410FFE8914819CC31AD95" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_16026196DCDECDF2B39B4819CC31E87A_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_16026196DCDECDF2B39B4819CC31E87A" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Prepaids and other assets</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_16026196DCDECDF2B39B4819CC31E87A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInInventories_399562322D14491049824819CC311834_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInInventories_399562322D14491049824819CC311834" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_399562322D14491049824819CC311834" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayable_4E54C26ECDF7287ED4674819CC31F724_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable_4E54C26ECDF7287ED4674819CC31F724" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_4E54C26ECDF7287ED4674819CC31F724" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_8332F1B45AD4D7DF532D4819CC31FBD0_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_8332F1B45AD4D7DF532D4819CC31FBD0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued salaries and benefits and other accrued liabilities</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_8332F1B45AD4D7DF532D4819CC31FBD0_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_8332F1B45AD4D7DF532D4819CC31FBD0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Operating Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_8332F1B45AD4D7DF532D4819CC31FBD0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_8332F1B45AD4D7DF532D4819CC31FBD0" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_8332F1B45AD4D7DF532D4819CC31FBD0" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInDeferredRevenue_934AB922912378ACF3D94819CC318DD7_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredRevenue_934AB922912378ACF3D94819CC318DD7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred revenue</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInDeferredRevenue_934AB922912378ACF3D94819CC318DD7_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredRevenue_934AB922912378ACF3D94819CC318DD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Deferred Revenue</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_934AB922912378ACF3D94819CC318DD7" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_CB8F11A172186587026A4819CC321298_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_CB8F11A172186587026A4819CC321298" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by operating activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_CB8F11A172186587026A4819CC321298_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_CB8F11A172186587026A4819CC321298" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_CB8F11A172186587026A4819CC321298" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_4A1A2997D2BD31E2F3D44819CC32F067_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_4A1A2997D2BD31E2F3D44819CC32F067" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from investing activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_4A1A2997D2BD31E2F3D44819CC32F067_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_4A1A2997D2BD31E2F3D44819CC32F067" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_4A1A2997D2BD31E2F3D44819CC32F067" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_4A2F63A1FAF4ECB0A8AA4819CC32CFD1_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_4A2F63A1FAF4ECB0A8AA4819CC32CFD1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Purchases of property, plant and equipment</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_4A2F63A1FAF4ECB0A8AA4819CC32CFD1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_CFFE32CC5855059F970D4819CC3283E0_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_CFFE32CC5855059F970D4819CC3283E0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Purchases of marketable securities</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_CFFE32CC5855059F970D4819CC3283E0_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_CFFE32CC5855059F970D4819CC3283E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Available-for-sale Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_CFFE32CC5855059F970D4819CC3283E0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_CFFE32CC5855059F970D4819CC3283E0" xlink:to="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_CFFE32CC5855059F970D4819CC3283E0" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_067D4AB2497EAF693FFA4819CC32A939_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_067D4AB2497EAF693FFA4819CC32A939" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturities of marketable securities</link:label>
    <link:label id="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_067D4AB2497EAF693FFA4819CC32A939_label_en-US" xlink:label="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_067D4AB2497EAF693FFA4819CC32A939" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_067D4AB2497EAF693FFA4819CC32A939" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_067D4AB2497EAF693FFA4819CC32A939" xlink:to="lab_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_067D4AB2497EAF693FFA4819CC32A939" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_51CE656B8623D9F3E7874819CC322AC0_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_51CE656B8623D9F3E7874819CC322AC0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of marketable securities</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_51CE656B8623D9F3E7874819CC322AC0_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_51CE656B8623D9F3E7874819CC322AC0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Available-for-sale Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_51CE656B8623D9F3E7874819CC322AC0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_51CE656B8623D9F3E7874819CC322AC0" xlink:to="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_51CE656B8623D9F3E7874819CC322AC0" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleOfProductiveAssets_CE4EA6C06D21453153E84819CC3248EC_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfProductiveAssets_CE4EA6C06D21453153E84819CC3248EC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of intellectual property and property, plant and equipment, net</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfProductiveAssets_CE4EA6C06D21453153E84819CC3248EC_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfProductiveAssets_CE4EA6C06D21453153E84819CC3248EC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Productive Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:label="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_CE4EA6C06D21453153E84819CC3248EC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_CE4EA6C06D21453153E84819CC3248EC" xlink:to="lab_us-gaap_ProceedsFromSaleOfProductiveAssets_CE4EA6C06D21453153E84819CC3248EC" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_BE1F8955A6C0DC5F8F944819CC32553C_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_BE1F8955A6C0DC5F8F944819CC32553C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition of businesses, net of cash acquired</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_BE1F8955A6C0DC5F8F944819CC32553C_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_BE1F8955A6C0DC5F8F944819CC32553C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Businesses, Net of Cash Acquired</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_BE1F8955A6C0DC5F8F944819CC32553C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_BE1F8955A6C0DC5F8F944819CC32553C" xlink:to="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_BE1F8955A6C0DC5F8F944819CC32553C" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_7D3D101D1788D03EA94F4819CC328A7F_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_7D3D101D1788D03EA94F4819CC328A7F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by (used in) investing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_7D3D101D1788D03EA94F4819CC328A7F_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_7D3D101D1788D03EA94F4819CC328A7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_7D3D101D1788D03EA94F4819CC328A7F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_7D3D101D1788D03EA94F4819CC328A7F" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_7D3D101D1788D03EA94F4819CC328A7F" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_728396F674458C2A07B54819CC37A627_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_728396F674458C2A07B54819CC37A627" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from financing activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_728396F674458C2A07B54819CC37A627_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_728396F674458C2A07B54819CC37A627" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_728396F674458C2A07B54819CC37A627" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_728396F674458C2A07B54819CC37A627" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_728396F674458C2A07B54819CC37A627" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_12A2ABA416B9241750FB4819CC373526_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_12A2ABA416B9241750FB4819CC373526" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds received from issuance of common stock under employee stock plans</link:label>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_12A2ABA416B9241750FB4819CC373526_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_12A2ABA416B9241750FB4819CC373526" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_12A2ABA416B9241750FB4819CC373526" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_12A2ABA416B9241750FB4819CC373526" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_12A2ABA416B9241750FB4819CC373526" xlink:type="arc" />
    <link:label id="lab_rmbs_PaymentsUnderInstallment_6E98FD5F1139138DA35D4819CC373CC5_negatedLabel_en-US" xlink:label="lab_rmbs_PaymentsUnderInstallment_6E98FD5F1139138DA35D4819CC373CC5" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments under installment payment arrangement</link:label>
    <link:label id="lab_rmbs_PaymentsUnderInstallment_6E98FD5F1139138DA35D4819CC373CC5_label_en-US" xlink:label="lab_rmbs_PaymentsUnderInstallment_6E98FD5F1139138DA35D4819CC373CC5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments under Installment</link:label>
    <link:label id="lab_rmbs_PaymentsUnderInstallment_6E98FD5F1139138DA35D4819CC373CC5_documentation_en-US" xlink:label="lab_rmbs_PaymentsUnderInstallment_6E98FD5F1139138DA35D4819CC373CC5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This element represent as Payments under installment payment arrangement.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_PaymentsUnderInstallment" xlink:label="loc_rmbs_PaymentsUnderInstallment_6E98FD5F1139138DA35D4819CC373CC5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_PaymentsUnderInstallment_6E98FD5F1139138DA35D4819CC373CC5" xlink:to="lab_rmbs_PaymentsUnderInstallment_6E98FD5F1139138DA35D4819CC373CC5" xlink:type="arc" />
    <link:label id="lab_rmbs_PrincipalPaymentsAgainstLeaseFinancingObligation_FDCF37B98298D1D8FCC44819CC374BBF_negatedLabel_en-US" xlink:label="lab_rmbs_PrincipalPaymentsAgainstLeaseFinancingObligation_FDCF37B98298D1D8FCC44819CC374BBF" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Principal payments against financing lease obligation</link:label>
    <link:label id="lab_rmbs_PrincipalPaymentsAgainstLeaseFinancingObligation_FDCF37B98298D1D8FCC44819CC374BBF_label_en-US" xlink:label="lab_rmbs_PrincipalPaymentsAgainstLeaseFinancingObligation_FDCF37B98298D1D8FCC44819CC374BBF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Principal Payments Against Lease Financing Obligation</link:label>
    <link:label id="lab_rmbs_PrincipalPaymentsAgainstLeaseFinancingObligation_FDCF37B98298D1D8FCC44819CC374BBF_documentation_en-US" xlink:label="lab_rmbs_PrincipalPaymentsAgainstLeaseFinancingObligation_FDCF37B98298D1D8FCC44819CC374BBF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash outflow for the obligation related to the leased facilities, of which for accounting purposes the Entity is treated as the owner, as the Entity retains sufficient continuing involvement following the completion of construction.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_PrincipalPaymentsAgainstLeaseFinancingObligation" xlink:label="loc_rmbs_PrincipalPaymentsAgainstLeaseFinancingObligation_FDCF37B98298D1D8FCC44819CC374BBF" xlink:type="locator" />
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    <link:label id="lab_rmbs_Paymentofadditionalpurchaseconsiderationfromacquisition_23671C34D1BC24A6771E4819CC37FE63_terseLabel_en-US" xlink:label="lab_rmbs_Paymentofadditionalpurchaseconsiderationfromacquisition_23671C34D1BC24A6771E4819CC37FE63" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payment of additional purchase consideration from acquisition</link:label>
    <link:label id="lab_rmbs_Paymentofadditionalpurchaseconsiderationfromacquisition_23671C34D1BC24A6771E4819CC37FE63_label_en-US" xlink:label="lab_rmbs_Paymentofadditionalpurchaseconsiderationfromacquisition_23671C34D1BC24A6771E4819CC37FE63" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payment of additional purchase consideration from acquisition</link:label>
    <link:label id="lab_rmbs_Paymentofadditionalpurchaseconsiderationfromacquisition_23671C34D1BC24A6771E4819CC37FE63_documentation_en-US" xlink:label="lab_rmbs_Paymentofadditionalpurchaseconsiderationfromacquisition_23671C34D1BC24A6771E4819CC37FE63" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of additional consideration transferred, consisting of cash transferred by the acquirer.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_Paymentofadditionalpurchaseconsiderationfromacquisition" xlink:label="loc_rmbs_Paymentofadditionalpurchaseconsiderationfromacquisition_23671C34D1BC24A6771E4819CC37FE63" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_01704557EB7A3D87F9A04819CC3822DE_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_01704557EB7A3D87F9A04819CC3822DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase and retirement of common stock, including prepayment under accelerated share repurchase program</link:label>
    <link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_01704557EB7A3D87F9A04819CC3822DE_label_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_01704557EB7A3D87F9A04819CC3822DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Repurchase of Common Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_01704557EB7A3D87F9A04819CC3822DE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_969D545BB9FF4B3DB9ED4819CC38DFD5_terseLabel_en-US" xlink:label="lab_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_969D545BB9FF4B3DB9ED4819CC38DFD5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Incremental tax benefits from stock-based compensation</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_969D545BB9FF4B3DB9ED4819CC38DFD5" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RepaymentsOfSeniorDebt_0EFF8118843EA21A4A2C4819CC38CDC0_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfSeniorDebt_0EFF8118843EA21A4A2C4819CC38CDC0" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Repayment of senior convertible notes</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfSeniorDebt_0EFF8118843EA21A4A2C4819CC38CDC0_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfSeniorDebt_0EFF8118843EA21A4A2C4819CC38CDC0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Senior Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RepaymentsOfSeniorDebt" xlink:label="loc_us-gaap_RepaymentsOfSeniorDebt_0EFF8118843EA21A4A2C4819CC38CDC0" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="loc_us-gaap_StatementGeographicalAxis_E8D96E4D4DF94E6896920C456839D598" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SegmentGeographicalDomain_E14BEA19DEAA017339B50C456839890E_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentGeographicalDomain_E14BEA19DEAA017339B50C456839890E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment, Geographical [Domain]</link:label>
    <link:label id="lab_us-gaap_SegmentGeographicalDomain_E14BEA19DEAA017339B50C456839890E_label_en-US" xlink:label="lab_us-gaap_SegmentGeographicalDomain_E14BEA19DEAA017339B50C456839890E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
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    <link:label id="lab_country_KR_992DF0133981B11BA7DF0C456839EB2B_terseLabel_en-US" xlink:label="lab_country_KR_992DF0133981B11BA7DF0C456839EB2B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">South Korea</link:label>
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    <link:label id="lab_rmbs_AsiaOtherMember_4A7668AD77E3089B4F330C456839E50E_label_en-US" xlink:label="lab_rmbs_AsiaOtherMember_4A7668AD77E3089B4F330C456839E50E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Asia Other [Member]</link:label>
    <link:label id="lab_rmbs_AsiaOtherMember_4A7668AD77E3089B4F330C456839E50E_documentation_en-US" xlink:label="lab_rmbs_AsiaOtherMember_4A7668AD77E3089B4F330C456839E50E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents Asia-Other region.</link:label>
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    <link:label id="lab_rmbs_OtherForeignLocationMember_4B61F058F2D916B0A2B40C456839FC94_documentation_en-US" xlink:label="lab_rmbs_OtherForeignLocationMember_4B61F058F2D916B0A2B40C456839FC94" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents other foreign locations not specifically mentioned by the entity.</link:label>
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    <link:label id="lab_us-gaap_NetIncomeLoss_227CACC6DCF11959D0C74819CC5C50BC_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_227CACC6DCF11959D0C74819CC5C50BC" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_5DBD6B2D598EE8945A5D4819CC5C6413" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EarningsPerShareBasicUndistributed_2124A417AC380BC33D004819CC5C5AD1_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicUndistributed_2124A417AC380BC33D004819CC5C5AD1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Basic, Undistributed</link:label>
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    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_616BB58FDD5420E47F313DD3FC73D786_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_616BB58FDD5420E47F313DD3FC73D786" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_616BB58FDD5420E47F313DD3FC73D786" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_616BB58FDD5420E47F313DD3FC73D786" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_616BB58FDD5420E47F313DD3FC73D786" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_8421ED9F1F95BF1360DF3DD3FC7319F1_negatedLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_8421ED9F1F95BF1360DF3DD3FC7319F1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Stock options forfeited (in shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_8421ED9F1F95BF1360DF3DD3FC7319F1_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_8421ED9F1F95BF1360DF3DD3FC7319F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_8421ED9F1F95BF1360DF3DD3FC7319F1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_8421ED9F1F95BF1360DF3DD3FC7319F1" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_8421ED9F1F95BF1360DF3DD3FC7319F1" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_471BB829FF93A3C964073DD3FC73BAAD_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_471BB829FF93A3C964073DD3FC73BAAD" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Outstanding, at the end of the period (in shares)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_471BB829FF93A3C964073DD3FC73BAAD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_471BB829FF93A3C964073DD3FC73BAAD" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_471BB829FF93A3C964073DD3FC73BAAD" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_61A0CC80BFB9D6596A183DD3FC73D94C_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_61A0CC80BFB9D6596A183DD3FC73D94C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested or expected to vest at the end of the period (in shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_61A0CC80BFB9D6596A183DD3FC73D94C_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_61A0CC80BFB9D6596A183DD3FC73D94C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_61A0CC80BFB9D6596A183DD3FC73D94C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_61A0CC80BFB9D6596A183DD3FC73D94C" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_61A0CC80BFB9D6596A183DD3FC73D94C" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_B0D50AD0A428A3D256DB3DD3FC73BBAF_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_B0D50AD0A428A3D256DB3DD3FC73BBAF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options exercisable at the end of the period (in shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_B0D50AD0A428A3D256DB3DD3FC73BBAF_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_B0D50AD0A428A3D256DB3DD3FC73BBAF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_B0D50AD0A428A3D256DB3DD3FC73BBAF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_B0D50AD0A428A3D256DB3DD3FC73BBAF" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_B0D50AD0A428A3D256DB3DD3FC73BBAF" xlink:type="arc" />
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceRollForward_4AE009C2C8A5F36B9F8C3DD3FC73BBB0_terseLabel_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceRollForward_4AE009C2C8A5F36B9F8C3DD3FC73BBB0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Exercise Price</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceRollForward_4AE009C2C8A5F36B9F8C3DD3FC73BBB0_label_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceRollForward_4AE009C2C8A5F36B9F8C3DD3FC73BBB0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award Options, Weighted Average Exercise Price [Roll Forward]</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceRollForward_4AE009C2C8A5F36B9F8C3DD3FC73BBB0_documentation_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceRollForward_4AE009C2C8A5F36B9F8C3DD3FC73BBB0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceRollForward" xlink:label="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceRollForward_4AE009C2C8A5F36B9F8C3DD3FC73BBB0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceRollForward_4AE009C2C8A5F36B9F8C3DD3FC73BBB0" xlink:to="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsWeightedAverageExercisePriceRollForward_4AE009C2C8A5F36B9F8C3DD3FC73BBB0" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_D6206ACE4921BCD9D2293DD3FC738571_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_D6206ACE4921BCD9D2293DD3FC738571" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Outstanding at the beginning of the year (in dollars per shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_D6206ACE4921BCD9D2293DD3FC738571_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_D6206ACE4921BCD9D2293DD3FC738571" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_D6206ACE4921BCD9D2293DD3FC738571" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_D6206ACE4921BCD9D2293DD3FC738571" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_D6206ACE4921BCD9D2293DD3FC738571" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_21334048227B842E58753DD3FC737CC3_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_21334048227B842E58753DD3FC737CC3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options granted (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_21334048227B842E58753DD3FC737CC3_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_21334048227B842E58753DD3FC737CC3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_21334048227B842E58753DD3FC737CC3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_21334048227B842E58753DD3FC737CC3" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_21334048227B842E58753DD3FC737CC3" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_F83214057762C8428BB03DD3FC738F0A_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_F83214057762C8428BB03DD3FC738F0A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options exercised (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_F83214057762C8428BB03DD3FC738F0A_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_F83214057762C8428BB03DD3FC738F0A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_F83214057762C8428BB03DD3FC738F0A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_F83214057762C8428BB03DD3FC738F0A" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_F83214057762C8428BB03DD3FC738F0A" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_8CA628AECE225D3781463DD3FC73776E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_8CA628AECE225D3781463DD3FC73776E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options forfeited (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_8CA628AECE225D3781463DD3FC73776E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_8CA628AECE225D3781463DD3FC73776E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_8CA628AECE225D3781463DD3FC73776E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_8CA628AECE225D3781463DD3FC73776E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_8CA628AECE225D3781463DD3FC73776E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_076A1821FA9B5ABEF1823DD3FC739345_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_076A1821FA9B5ABEF1823DD3FC739345" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Outstanding at the end of the period (in dollars per shares)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_076A1821FA9B5ABEF1823DD3FC739345" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_076A1821FA9B5ABEF1823DD3FC739345" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_076A1821FA9B5ABEF1823DD3FC739345" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_0D40772EB05D77F34B643DD3FC734ABD_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_0D40772EB05D77F34B643DD3FC734ABD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested or expected to vest at the end of the period (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_0D40772EB05D77F34B643DD3FC734ABD_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_0D40772EB05D77F34B643DD3FC734ABD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_0D40772EB05D77F34B643DD3FC734ABD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_0D40772EB05D77F34B643DD3FC734ABD" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_0D40772EB05D77F34B643DD3FC734ABD" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_51B1554B0BE7E588247B3DD3FC739B75_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_51B1554B0BE7E588247B3DD3FC739B75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options exercisable at the end of the period (in dollars per share)</link:label>
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    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_A47BD16252DD59E09AFC3DD3FC73D387_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_A47BD16252DD59E09AFC3DD3FC73D387" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options exercisable (in years)</link:label>
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    <link:label id="lab_rmbs_FavorableContractsMember_F5A7FDB65C0B4746F527453B56B6ECDF_documentation_en-US" xlink:label="lab_rmbs_FavorableContractsMember_F5A7FDB65C0B4746F527453B56B6ECDF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the information pertaining to the favorable contracts which are acquired patent licensing agreements where the entity has no performance obligations.</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_3736F0884F889B3F5EC8453B56B61E84" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_46FE7E4C850E1AEFBBB4453B56B66CB8_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_46FE7E4C850E1AEFBBB4453B56B66CB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Useful Life</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_46FE7E4C850E1AEFBBB4453B56B66CB8_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_46FE7E4C850E1AEFBBB4453B56B66CB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Useful Life</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_46FE7E4C850E1AEFBBB4453B56B66CB8" xlink:type="locator" />
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    <link:label id="lab_rmbs_FiniteLivedIntangibleAssetsCashReceived_F651941389888354478C453B56B65068_terseLabel_en-US" xlink:label="lab_rmbs_FiniteLivedIntangibleAssetsCashReceived_F651941389888354478C453B56B65068" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash received related to intangible assets</link:label>
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    <link:label id="lab_rmbs_FiniteLivedIntangibleAssetsCashReceived_F651941389888354478C453B56B65068_documentation_en-US" xlink:label="lab_rmbs_FiniteLivedIntangibleAssetsCashReceived_F651941389888354478C453B56B65068" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the cash received on account of intangible assets.</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_FiniteLivedIntangibleAssetsCashReceived_F651941389888354478C453B56B65068" xlink:to="lab_rmbs_FiniteLivedIntangibleAssetsCashReceived_F651941389888354478C453B56B65068" xlink:type="arc" />
    <link:label id="lab_rmbs_PurchasedPatentsAbstract_6731B275F8958663B47C453B56B6EF7C_terseLabel_en-US" xlink:label="lab_rmbs_PurchasedPatentsAbstract_6731B275F8958663B47C453B56B6EF7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchased patents</link:label>
    <link:label id="lab_rmbs_PurchasedPatentsAbstract_6731B275F8958663B47C453B56B6EF7C_label_en-US" xlink:label="lab_rmbs_PurchasedPatentsAbstract_6731B275F8958663B47C453B56B6EF7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchased Patents [Abstract]</link:label>
    <link:label id="lab_rmbs_PurchasedPatentsAbstract_6731B275F8958663B47C453B56B6EF7C_documentation_en-US" xlink:label="lab_rmbs_PurchasedPatentsAbstract_6731B275F8958663B47C453B56B6EF7C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_PurchasedPatentsAbstract" xlink:label="loc_rmbs_PurchasedPatentsAbstract_6731B275F8958663B47C453B56B6EF7C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_8DDE2A6D544C7FA86477453B56B61766_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_8DDE2A6D544C7FA86477453B56B61766" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated future amortization expense of intangible assets</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_8DDE2A6D544C7FA86477453B56B61766_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_8DDE2A6D544C7FA86477453B56B61766" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_8DDE2A6D544C7FA86477453B56B61766" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_8DD41114C64C21F59ECB453B56B69529_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_8DD41114C64C21F59ECB453B56B69529" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_8DD41114C64C21F59ECB453B56B69529" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_76A6F7A5E643FB445D56453B56B6A69D_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_76A6F7A5E643FB445D56453B56B6A69D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Year Two</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_76A6F7A5E643FB445D56453B56B6A69D_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_76A6F7A5E643FB445D56453B56B6A69D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_76A6F7A5E643FB445D56453B56B6A69D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_76A6F7A5E643FB445D56453B56B6A69D" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_76A6F7A5E643FB445D56453B56B6A69D" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_8F28C6DCD09B66B46FB9453B56B66B1D_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_8F28C6DCD09B66B46FB9453B56B66B1D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Year Three</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_8F28C6DCD09B66B46FB9453B56B66B1D" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_0857BD2EBD3D0A553787453B56C68A90" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_6B631C499F306DE8100C453B56C65C53" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_EF8CD1323258CA4B02CCF6C163DA32D5_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_EF8CD1323258CA4B02CCF6C163DA32D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of accumulated other comprehensive Income (Loss)</link:label>
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    <link:label id="lab_rmbs_MicronAgreementMember_BB22CC98DD55C8A4FD734537106FFCDC_terseLabel_en-US" xlink:label="lab_rmbs_MicronAgreementMember_BB22CC98DD55C8A4FD734537106FFCDC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Micron</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_MicronAgreementMember" xlink:label="loc_rmbs_MicronAgreementMember_BB22CC98DD55C8A4FD734537106FFCDC" xlink:type="locator" />
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    <link:label id="lab_rmbs_SKHynixMember_24B24C5F2F59FC43496C4537106FB737_terseLabel_en-US" xlink:label="lab_rmbs_SKHynixMember_24B24C5F2F59FC43496C4537106FB737" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SK hynix</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_SKHynixMember" xlink:label="loc_rmbs_SKHynixMember_24B24C5F2F59FC43496C4537106FB737" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_SKHynixMember_24B24C5F2F59FC43496C4537106FB737" xlink:to="lab_rmbs_SKHynixMember_24B24C5F2F59FC43496C4537106FB737" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeStatementLocationAxis_6C1288E05594BC67BE904537106F359A_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis_6C1288E05594BC67BE904537106F359A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Statement Location [Axis]</link:label>
    <link:label id="lab_us-gaap_IncomeStatementLocationAxis_6C1288E05594BC67BE904537106F359A_label_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis_6C1288E05594BC67BE904537106F359A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement Location [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_6C1288E05594BC67BE904537106F359A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncomeStatementLocationDomain_A79720E1C4D9FE4AEF624537106F8890_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain_A79720E1C4D9FE4AEF624537106F8890" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Statement Location [Domain]</link:label>
    <link:label id="lab_us-gaap_IncomeStatementLocationDomain_A79720E1C4D9FE4AEF624537106F8890_label_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain_A79720E1C4D9FE4AEF624537106F8890" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement Location [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_A79720E1C4D9FE4AEF624537106F8890" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RoyaltyArrangementMember_1ED96076C7279A06C6C04537106F8E01_terseLabel_en-US" xlink:label="lab_us-gaap_RoyaltyArrangementMember_1ED96076C7279A06C6C04537106F8E01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Royalty revenue</link:label>
    <link:label id="lab_us-gaap_RoyaltyArrangementMember_1ED96076C7279A06C6C04537106F8E01_label_en-US" xlink:label="lab_us-gaap_RoyaltyArrangementMember_1ED96076C7279A06C6C04537106F8E01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Royalty Arrangement [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RoyaltyArrangementMember" xlink:label="loc_us-gaap_RoyaltyArrangementMember_1ED96076C7279A06C6C04537106F8E01" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RoyaltyArrangementMember_1ED96076C7279A06C6C04537106F8E01" xlink:to="lab_us-gaap_RoyaltyArrangementMember_1ED96076C7279A06C6C04537106F8E01" xlink:type="arc" />
    <link:label id="lab_rmbs_GainFromSettlementMember_B77A7C9C7400DA0301304537106F49FD_terseLabel_en-US" xlink:label="lab_rmbs_GainFromSettlementMember_B77A7C9C7400DA0301304537106F49FD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain from settlement</link:label>
    <link:label id="lab_rmbs_GainFromSettlementMember_B77A7C9C7400DA0301304537106F49FD_label_en-US" xlink:label="lab_rmbs_GainFromSettlementMember_B77A7C9C7400DA0301304537106F49FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain From Settlement [Member]</link:label>
    <link:label id="lab_rmbs_GainFromSettlementMember_B77A7C9C7400DA0301304537106F49FD_documentation_en-US" xlink:label="lab_rmbs_GainFromSettlementMember_B77A7C9C7400DA0301304537106F49FD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gain From Settlement [Member]</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_GainFromSettlementMember" xlink:label="loc_rmbs_GainFromSettlementMember_B77A7C9C7400DA0301304537106F49FD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_GainFromSettlementMember_B77A7C9C7400DA0301304537106F49FD" xlink:to="lab_rmbs_GainFromSettlementMember_B77A7C9C7400DA0301304537106F49FD" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromLegalSettlements_A2FAD8B21D86E52438BC4537106F1FF8_verboseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromLegalSettlements_A2FAD8B21D86E52438BC4537106F1FF8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash Received</link:label>
    <link:label id="lab_us-gaap_ProceedsFromLegalSettlements_A2FAD8B21D86E52438BC4537106F1FF8_label_en-US" xlink:label="lab_us-gaap_ProceedsFromLegalSettlements_A2FAD8B21D86E52438BC4537106F1FF8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Legal Settlements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromLegalSettlements" xlink:label="loc_us-gaap_ProceedsFromLegalSettlements_A2FAD8B21D86E52438BC4537106F1FF8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromLegalSettlements_A2FAD8B21D86E52438BC4537106F1FF8" xlink:to="lab_us-gaap_ProceedsFromLegalSettlements_A2FAD8B21D86E52438BC4537106F1FF8" xlink:type="arc" />
    <link:label id="lab_rmbs_SettlementAgreementFutureRecivablesDueinFirstFullFiscalYear_C289A6B07ADAAB0A93C64537106F3B7F_terseLabel_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureRecivablesDueinFirstFullFiscalYear_C289A6B07ADAAB0A93C64537106F3B7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated to Be Received in 2017</link:label>
    <link:label id="lab_rmbs_SettlementAgreementFutureRecivablesDueinFirstFullFiscalYear_C289A6B07ADAAB0A93C64537106F3B7F_label_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureRecivablesDueinFirstFullFiscalYear_C289A6B07ADAAB0A93C64537106F3B7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Settlement Agreement, Future Recivables, Due in First Full Fiscal Year</link:label>
    <link:label id="lab_rmbs_SettlementAgreementFutureRecivablesDueinFirstFullFiscalYear_C289A6B07ADAAB0A93C64537106F3B7F_documentation_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureRecivablesDueinFirstFullFiscalYear_C289A6B07ADAAB0A93C64537106F3B7F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Settlement Agreement, Future Recivables, Due within the first full fiscal year following the date of the most recent balance sheet.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_SettlementAgreementFutureRecivablesDueinFirstFullFiscalYear" xlink:label="loc_rmbs_SettlementAgreementFutureRecivablesDueinFirstFullFiscalYear_C289A6B07ADAAB0A93C64537106F3B7F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_SettlementAgreementFutureRecivablesDueinFirstFullFiscalYear_C289A6B07ADAAB0A93C64537106F3B7F" xlink:to="lab_rmbs_SettlementAgreementFutureRecivablesDueinFirstFullFiscalYear_C289A6B07ADAAB0A93C64537106F3B7F" xlink:type="arc" />
    <link:label id="lab_rmbs_SettlementAgreementFutureRecivablesDueinSecondFullFiscalYear_6F967CEE21BBF669658D45371075079D_terseLabel_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureRecivablesDueinSecondFullFiscalYear_6F967CEE21BBF669658D45371075079D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated to Be Received in 2018</link:label>
    <link:label id="lab_rmbs_SettlementAgreementFutureRecivablesDueinSecondFullFiscalYear_6F967CEE21BBF669658D45371075079D_label_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureRecivablesDueinSecondFullFiscalYear_6F967CEE21BBF669658D45371075079D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Settlement Agreement, Future Recivables, Due in Second Full Fiscal Year</link:label>
    <link:label id="lab_rmbs_SettlementAgreementFutureRecivablesDueinSecondFullFiscalYear_6F967CEE21BBF669658D45371075079D_documentation_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureRecivablesDueinSecondFullFiscalYear_6F967CEE21BBF669658D45371075079D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Settlement Agreement, Future Recivables, Due within the second full fiscal year following the date of the most recent balance sheet.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_SettlementAgreementFutureRecivablesDueinSecondFullFiscalYear" xlink:label="loc_rmbs_SettlementAgreementFutureRecivablesDueinSecondFullFiscalYear_6F967CEE21BBF669658D45371075079D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_SettlementAgreementFutureRecivablesDueinSecondFullFiscalYear_6F967CEE21BBF669658D45371075079D" xlink:to="lab_rmbs_SettlementAgreementFutureRecivablesDueinSecondFullFiscalYear_6F967CEE21BBF669658D45371075079D" xlink:type="arc" />
    <link:label id="lab_rmbs_SettlementAgreementFutureRecivablesDueinThirdFiscalYear_354201292B8A496EAE404537107522D1_terseLabel_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureRecivablesDueinThirdFiscalYear_354201292B8A496EAE404537107522D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated to Be Received in 2019</link:label>
    <link:label id="lab_rmbs_SettlementAgreementFutureRecivablesDueinThirdFiscalYear_354201292B8A496EAE404537107522D1_label_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureRecivablesDueinThirdFiscalYear_354201292B8A496EAE404537107522D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Settlement Agreement, Future Recivables, Due in Third Fiscal Year</link:label>
    <link:label id="lab_rmbs_SettlementAgreementFutureRecivablesDueinThirdFiscalYear_354201292B8A496EAE404537107522D1_documentation_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureRecivablesDueinThirdFiscalYear_354201292B8A496EAE404537107522D1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Settlement Agreement, Future Recivables,  Due within the third full fiscal year following the date of the most recent balance sheet.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_SettlementAgreementFutureRecivablesDueinThirdFiscalYear" xlink:label="loc_rmbs_SettlementAgreementFutureRecivablesDueinThirdFiscalYear_354201292B8A496EAE404537107522D1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_SettlementAgreementFutureRecivablesDueinThirdFiscalYear_354201292B8A496EAE404537107522D1" xlink:to="lab_rmbs_SettlementAgreementFutureRecivablesDueinThirdFiscalYear_354201292B8A496EAE404537107522D1" xlink:type="arc" />
    <link:label id="lab_rmbs_SettlementAgreementFutureRecivablesDueinFouthFullFiscalYear_47776240A5DE8DAA15CA45371075CE34_terseLabel_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureRecivablesDueinFouthFullFiscalYear_47776240A5DE8DAA15CA45371075CE34" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated to Be Received in 2020</link:label>
    <link:label id="lab_rmbs_SettlementAgreementFutureRecivablesDueinFouthFullFiscalYear_47776240A5DE8DAA15CA45371075CE34_label_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureRecivablesDueinFouthFullFiscalYear_47776240A5DE8DAA15CA45371075CE34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Settlement Agreement, Future Recivables, Due in Fouth Full Fiscal Year</link:label>
    <link:label id="lab_rmbs_SettlementAgreementFutureRecivablesDueinFouthFullFiscalYear_47776240A5DE8DAA15CA45371075CE34_documentation_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureRecivablesDueinFouthFullFiscalYear_47776240A5DE8DAA15CA45371075CE34" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Settlement Agreement, Future Recivables, Due within the fourth full fiscal year following the date of the most recent balance sheet.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_SettlementAgreementFutureRecivablesDueinFouthFullFiscalYear" xlink:label="loc_rmbs_SettlementAgreementFutureRecivablesDueinFouthFullFiscalYear_47776240A5DE8DAA15CA45371075CE34" xlink:type="locator" />
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    <link:label id="lab_rmbs_SettlementAgreementFutureReceivablesDueInFifthFullFiscalYearAndThereafter_8EF8AD1CD8879010227645371075DC28_terseLabel_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureReceivablesDueInFifthFullFiscalYearAndThereafter_8EF8AD1CD8879010227645371075DC28" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated to Be Received in 2021 and thereafter</link:label>
    <link:label id="lab_rmbs_SettlementAgreementFutureReceivablesDueInFifthFullFiscalYearAndThereafter_8EF8AD1CD8879010227645371075DC28_label_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureReceivablesDueInFifthFullFiscalYearAndThereafter_8EF8AD1CD8879010227645371075DC28" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Settlement Agreement, Future Receivables, Due In Fifth Full Fiscal Year And Thereafter</link:label>
    <link:label id="lab_rmbs_SettlementAgreementFutureReceivablesDueInFifthFullFiscalYearAndThereafter_8EF8AD1CD8879010227645371075DC28_documentation_en-US" xlink:label="lab_rmbs_SettlementAgreementFutureReceivablesDueInFifthFullFiscalYearAndThereafter_8EF8AD1CD8879010227645371075DC28" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Settlement Agreement, Future Receivables, Due In Fifth Full Fiscal Year And Thereafter</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_SettlementAgreementFutureReceivablesDueInFifthFullFiscalYearAndThereafter" xlink:label="loc_rmbs_SettlementAgreementFutureReceivablesDueInFifthFullFiscalYearAndThereafter_8EF8AD1CD8879010227645371075DC28" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_SettlementAgreementFutureReceivablesDueInFifthFullFiscalYearAndThereafter_8EF8AD1CD8879010227645371075DC28" xlink:to="lab_rmbs_SettlementAgreementFutureReceivablesDueInFifthFullFiscalYearAndThereafter_8EF8AD1CD8879010227645371075DC28" xlink:type="arc" />
    <link:label id="lab_rmbs_SettlementAgreementConsideration_4A35E1F7D294D6D221934537107510D7_verboseLabel_en-US" xlink:label="lab_rmbs_SettlementAgreementConsideration_4A35E1F7D294D6D221934537107510D7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total Estimated Cash receipts</link:label>
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    <link:label id="lab_us-gaap_EmployeeStockMember_FDB8FB6E7B6EF48FD11E4633C89A2E77_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockMember_FDB8FB6E7B6EF48FD11E4633C89A2E77" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee Stock [Member]</link:label>
    <link:label id="lab_us-gaap_EmployeeStockMember_FDB8FB6E7B6EF48FD11E4633C89A2E77_label_en-US" xlink:label="lab_us-gaap_EmployeeStockMember_FDB8FB6E7B6EF48FD11E4633C89A2E77" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeStockMember" xlink:label="loc_us-gaap_EmployeeStockMember_FDB8FB6E7B6EF48FD11E4633C89A2E77" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PerformanceSharesMember_60A67594C0FD7FFDF1C94633C89A3D38_terseLabel_en-US" xlink:label="lab_us-gaap_PerformanceSharesMember_60A67594C0FD7FFDF1C94633C89A3D38" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance Stock Units [Member]</link:label>
    <link:label id="lab_us-gaap_PerformanceSharesMember_60A67594C0FD7FFDF1C94633C89A3D38_label_en-US" xlink:label="lab_us-gaap_PerformanceSharesMember_60A67594C0FD7FFDF1C94633C89A3D38" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance Shares [Member]</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_7739C199E87D43080D274633C89B4D52_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_7739C199E87D43080D274633C89B4D52" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_7739C199E87D43080D274633C89B4D52_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_7739C199E87D43080D274633C89B4D52" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_7739C199E87D43080D274633C89B4D52" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_7739C199E87D43080D274633C89B4D52" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_7739C199E87D43080D274633C89B4D52" xlink:type="arc" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_8668EC0BA5F4E84544FC4633C89B0015_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_8668EC0BA5F4E84544FC4633C89B0015" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_8668EC0BA5F4E84544FC4633C89B0015" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_8668EC0BA5F4E84544FC4633C89B0015" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_8668EC0BA5F4E84544FC4633C89B0015" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_BB61828DEA40879F1BCE4633C89B473D_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_BB61828DEA40879F1BCE4633C89B473D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_BB61828DEA40879F1BCE4633C89B473D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_BB61828DEA40879F1BCE4633C89B473D" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_BB61828DEA40879F1BCE4633C89B473D" xlink:type="arc" />
    <link:label id="lab_rmbs_EmployeeStockPurchasePlansNumber_D09E59E7055A8A21B5D84633C89BE2D6_terseLabel_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlansNumber_D09E59E7055A8A21B5D84633C89BE2D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of employee stock purchase plans</link:label>
    <link:label id="lab_rmbs_EmployeeStockPurchasePlansNumber_D09E59E7055A8A21B5D84633C89BE2D6_label_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlansNumber_D09E59E7055A8A21B5D84633C89BE2D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Stock Purchase Plans, Number</link:label>
    <link:label id="lab_rmbs_EmployeeStockPurchasePlansNumber_D09E59E7055A8A21B5D84633C89BE2D6_documentation_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlansNumber_D09E59E7055A8A21B5D84633C89BE2D6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of Employee Stock Purchase Plans.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_EmployeeStockPurchasePlansNumber" xlink:label="loc_rmbs_EmployeeStockPurchasePlansNumber_D09E59E7055A8A21B5D84633C89BE2D6" xlink:type="locator" />
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    <link:label id="lab_rmbs_EmployeeStockPurchasePlanMinimumNumberOfHoursPerWeekEmployeesToBeEmployedToBeEligibleToParticipateInPlan_2D2A86E1CBB473242C744633C89BD389_terseLabel_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanMinimumNumberOfHoursPerWeekEmployeesToBeEmployedToBeEligibleToParticipateInPlan_2D2A86E1CBB473242C744633C89BD389" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum number of hours of weekly employment in order to qualify for eligibility in the plan</link:label>
    <link:label id="lab_rmbs_EmployeeStockPurchasePlanMinimumNumberOfHoursPerWeekEmployeesToBeEmployedToBeEligibleToParticipateInPlan_2D2A86E1CBB473242C744633C89BD389_label_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanMinimumNumberOfHoursPerWeekEmployeesToBeEmployedToBeEligibleToParticipateInPlan_2D2A86E1CBB473242C744633C89BD389" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Stock Purchase Plan, Minimum Number of Hours Per Week, Employees to be Employed to be Eligible to Participate in the Plan</link:label>
    <link:label id="lab_rmbs_EmployeeStockPurchasePlanMinimumNumberOfHoursPerWeekEmployeesToBeEmployedToBeEligibleToParticipateInPlan_2D2A86E1CBB473242C744633C89BD389_documentation_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanMinimumNumberOfHoursPerWeekEmployeesToBeEmployedToBeEligibleToParticipateInPlan_2D2A86E1CBB473242C744633C89BD389" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the minimum number of hours per week that employees are required to be employed in order to be eligible to participate in the Employee Stock Purchase Plan.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_EmployeeStockPurchasePlanMinimumNumberOfHoursPerWeekEmployeesToBeEmployedToBeEligibleToParticipateInPlan" xlink:label="loc_rmbs_EmployeeStockPurchasePlanMinimumNumberOfHoursPerWeekEmployeesToBeEmployedToBeEligibleToParticipateInPlan_2D2A86E1CBB473242C744633C89BD389" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_CB03CCFD642D34381F974633C89BC423_positiveLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_CB03CCFD642D34381F974633C89BC423" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:type="resource" xml:lang="en-US">Number of shares reserved under the purchase plan</link:label>
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    <link:label id="lab_rmbs_EmployeeStockPurchasePlanNumberOfAdditionalSharesToBeAuthorized_A4F7A4E1E1371BC9FB934633C89BC191_terseLabel_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanNumberOfAdditionalSharesToBeAuthorized_A4F7A4E1E1371BC9FB934633C89BC191" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee Stock Purchase Plan, Number Of Additional SharesToBe Authorized</link:label>
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    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_EmployeeStockPurchasePlanNumberOfAdditionalSharesToBeAuthorized" xlink:label="loc_rmbs_EmployeeStockPurchasePlanNumberOfAdditionalSharesToBeAuthorized_A4F7A4E1E1371BC9FB934633C89BC191" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_EmployeeStockPurchasePlanNumberOfAdditionalSharesToBeAuthorized_A4F7A4E1E1371BC9FB934633C89BC191" xlink:to="lab_rmbs_EmployeeStockPurchasePlanNumberOfAdditionalSharesToBeAuthorized_A4F7A4E1E1371BC9FB934633C89BC191" xlink:type="arc" />
    <link:label id="lab_rmbs_EmployeeStockPurchasePlanMinimumNumberOfMonthsInFiscalYearEmployeesToBeEmployedToBeEligibleToParticipateInPlan_F927353252EEB2C63A284633C89B60BB_terseLabel_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanMinimumNumberOfMonthsInFiscalYearEmployeesToBeEmployedToBeEligibleToParticipateInPlan_F927353252EEB2C63A284633C89B60BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum number of months of employment in a fiscal year in order to qualify for eligibility in the plan</link:label>
    <link:label id="lab_rmbs_EmployeeStockPurchasePlanMinimumNumberOfMonthsInFiscalYearEmployeesToBeEmployedToBeEligibleToParticipateInPlan_F927353252EEB2C63A284633C89B60BB_label_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanMinimumNumberOfMonthsInFiscalYearEmployeesToBeEmployedToBeEligibleToParticipateInPlan_F927353252EEB2C63A284633C89B60BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Stock Purchase Plan, Minimum Number of Months in a Fiscal Year, Employees to be Employed to be Eligible to Participate in the Plan</link:label>
    <link:label id="lab_rmbs_EmployeeStockPurchasePlanMinimumNumberOfMonthsInFiscalYearEmployeesToBeEmployedToBeEligibleToParticipateInPlan_F927353252EEB2C63A284633C89B60BB_documentation_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanMinimumNumberOfMonthsInFiscalYearEmployeesToBeEmployedToBeEligibleToParticipateInPlan_F927353252EEB2C63A284633C89B60BB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the minimum number of months in a fiscal year that employees are required to be employed in order to be eligible to participate in the Employee Stock Purchase Plan.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_EmployeeStockPurchasePlanMinimumNumberOfMonthsInFiscalYearEmployeesToBeEmployedToBeEligibleToParticipateInPlan" xlink:label="loc_rmbs_EmployeeStockPurchasePlanMinimumNumberOfMonthsInFiscalYearEmployeesToBeEmployedToBeEligibleToParticipateInPlan_F927353252EEB2C63A284633C89B60BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_EmployeeStockPurchasePlanMinimumNumberOfMonthsInFiscalYearEmployeesToBeEmployedToBeEligibleToParticipateInPlan_F927353252EEB2C63A284633C89B60BB" xlink:to="lab_rmbs_EmployeeStockPurchasePlanMinimumNumberOfMonthsInFiscalYearEmployeesToBeEmployedToBeEligibleToParticipateInPlan_F927353252EEB2C63A284633C89B60BB" xlink:type="arc" />
    <link:label id="lab_rmbs_EmployeeStockPurchasePlanOfferingPeriod_50A0D3F9729B7D79C4E74633C89BA012_terseLabel_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanOfferingPeriod_50A0D3F9729B7D79C4E74633C89BA012" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Offering period (in months)</link:label>
    <link:label id="lab_rmbs_EmployeeStockPurchasePlanOfferingPeriod_50A0D3F9729B7D79C4E74633C89BA012_label_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanOfferingPeriod_50A0D3F9729B7D79C4E74633C89BA012" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Stock Purchase Plan, Offering Period</link:label>
    <link:label id="lab_rmbs_EmployeeStockPurchasePlanOfferingPeriod_50A0D3F9729B7D79C4E74633C89BA012_documentation_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanOfferingPeriod_50A0D3F9729B7D79C4E74633C89BA012" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the offering period expressed in number of months.</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_EmployeeStockPurchasePlanOfferingPeriod_50A0D3F9729B7D79C4E74633C89BA012" xlink:to="lab_rmbs_EmployeeStockPurchasePlanOfferingPeriod_50A0D3F9729B7D79C4E74633C89BA012" xlink:type="arc" />
    <link:label id="lab_rmbs_EmployeeStockPurchasePlanPercentageOfPriceAtBeginningOfOfferingPeriodOrPriceAtEndOfEachOfferingPeriodToDerivePurchasePrice_38FB3FDA82CAD75330974633C89B9C28_terseLabel_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanPercentageOfPriceAtBeginningOfOfferingPeriodOrPriceAtEndOfEachOfferingPeriodToDerivePurchasePrice_38FB3FDA82CAD75330974633C89B9C28" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of the price at the beginning of the offering period or price at the end of each offering period to derive purchase price</link:label>
    <link:label id="lab_rmbs_EmployeeStockPurchasePlanPercentageOfPriceAtBeginningOfOfferingPeriodOrPriceAtEndOfEachOfferingPeriodToDerivePurchasePrice_38FB3FDA82CAD75330974633C89B9C28_label_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanPercentageOfPriceAtBeginningOfOfferingPeriodOrPriceAtEndOfEachOfferingPeriodToDerivePurchasePrice_38FB3FDA82CAD75330974633C89B9C28" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Stock Purchase Plan, Percentage of Price at Beginning of Offering Period or Price at End of Each Offering Period to Derive Purchase Price</link:label>
    <link:label id="lab_rmbs_EmployeeStockPurchasePlanPercentageOfPriceAtBeginningOfOfferingPeriodOrPriceAtEndOfEachOfferingPeriodToDerivePurchasePrice_38FB3FDA82CAD75330974633C89B9C28_documentation_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanPercentageOfPriceAtBeginningOfOfferingPeriodOrPriceAtEndOfEachOfferingPeriodToDerivePurchasePrice_38FB3FDA82CAD75330974633C89B9C28" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Employee Stock Purchase Plan, Percentage of the Price at Beginning of Offering Period or Price at End of Each Offering Period to Derive Purchase Price</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_EmployeeStockPurchasePlanPercentageOfPriceAtBeginningOfOfferingPeriodOrPriceAtEndOfEachOfferingPeriodToDerivePurchasePrice" xlink:label="loc_rmbs_EmployeeStockPurchasePlanPercentageOfPriceAtBeginningOfOfferingPeriodOrPriceAtEndOfEachOfferingPeriodToDerivePurchasePrice_38FB3FDA82CAD75330974633C89B9C28" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_EmployeeStockPurchasePlanPercentageOfPriceAtBeginningOfOfferingPeriodOrPriceAtEndOfEachOfferingPeriodToDerivePurchasePrice_38FB3FDA82CAD75330974633C89B9C28" xlink:to="lab_rmbs_EmployeeStockPurchasePlanPercentageOfPriceAtBeginningOfOfferingPeriodOrPriceAtEndOfEachOfferingPeriodToDerivePurchasePrice_38FB3FDA82CAD75330974633C89B9C28" xlink:type="arc" />
    <link:label id="lab_rmbs_EmployeeStockPurchasePlanMaximumShareValueUptoWhichEmployeesMayPurchaseShares_2B23BC2F1322EA625A7C4633C89B0C40_terseLabel_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanMaximumShareValueUptoWhichEmployeesMayPurchaseShares_2B23BC2F1322EA625A7C4633C89B0C40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum share value per employee in any calendar year</link:label>
    <link:label id="lab_rmbs_EmployeeStockPurchasePlanMaximumShareValueUptoWhichEmployeesMayPurchaseShares_2B23BC2F1322EA625A7C4633C89B0C40_label_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanMaximumShareValueUptoWhichEmployeesMayPurchaseShares_2B23BC2F1322EA625A7C4633C89B0C40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Stock Purchase Plan, Maximum Share Value upto which Employees May Purchase Shares</link:label>
    <link:label id="lab_rmbs_EmployeeStockPurchasePlanMaximumShareValueUptoWhichEmployeesMayPurchaseShares_2B23BC2F1322EA625A7C4633C89B0C40_documentation_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlanMaximumShareValueUptoWhichEmployeesMayPurchaseShares_2B23BC2F1322EA625A7C4633C89B0C40" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the maximum share value that an employee may purchase under the plan in any calendar year, as measured at the purchase date.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_EmployeeStockPurchasePlanMaximumShareValueUptoWhichEmployeesMayPurchaseShares" xlink:label="loc_rmbs_EmployeeStockPurchasePlanMaximumShareValueUptoWhichEmployeesMayPurchaseShares_2B23BC2F1322EA625A7C4633C89B0C40" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_EmployeeStockPurchasePlanMaximumShareValueUptoWhichEmployeesMayPurchaseShares_2B23BC2F1322EA625A7C4633C89B0C40" xlink:to="lab_rmbs_EmployeeStockPurchasePlanMaximumShareValueUptoWhichEmployeesMayPurchaseShares_2B23BC2F1322EA625A7C4633C89B0C40" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_7D704305201ACEB0AE544633C89B4E99_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_7D704305201ACEB0AE544633C89B4E99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares issued under employee stock purchase plans</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_7D704305201ACEB0AE544633C89B4E99_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_7D704305201ACEB0AE544633C89B4E99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, Employee Stock Purchase Plans</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_7D704305201ACEB0AE544633C89B4E99" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_7D704305201ACEB0AE544633C89B4E99" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_7D704305201ACEB0AE544633C89B4E99" xlink:type="arc" />
    <link:label id="lab_rmbs_EmployeeStockPurchasePlansWeightedAveragePricePerShare_BFAD18A15671AA1CA56C4633C89BEBF5_terseLabel_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlansWeightedAveragePricePerShare_BFAD18A15671AA1CA56C4633C89BEBF5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average price per share of shares issued (in dollars per share)</link:label>
    <link:label id="lab_rmbs_EmployeeStockPurchasePlansWeightedAveragePricePerShare_BFAD18A15671AA1CA56C4633C89BEBF5_label_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlansWeightedAveragePricePerShare_BFAD18A15671AA1CA56C4633C89BEBF5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Stock Purchase Plans, Weighted Average Price Per Share</link:label>
    <link:label id="lab_rmbs_EmployeeStockPurchasePlansWeightedAveragePricePerShare_BFAD18A15671AA1CA56C4633C89BEBF5_documentation_en-US" xlink:label="lab_rmbs_EmployeeStockPurchasePlansWeightedAveragePricePerShare_BFAD18A15671AA1CA56C4633C89BEBF5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the weighted average price per share of shares issued under the Employee Stock Purchase Plan.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_EmployeeStockPurchasePlansWeightedAveragePricePerShare" xlink:label="loc_rmbs_EmployeeStockPurchasePlansWeightedAveragePricePerShare_BFAD18A15671AA1CA56C4633C89BEBF5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_EmployeeStockPurchasePlansWeightedAveragePricePerShare_BFAD18A15671AA1CA56C4633C89BEBF5" xlink:to="lab_rmbs_EmployeeStockPurchasePlansWeightedAveragePricePerShare_BFAD18A15671AA1CA56C4633C89BEBF5" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_AA3D79E408EEAC91B3764633C89BC588_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_AA3D79E408EEAC91B3764633C89BC588" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares available for issuance</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_AA3D79E408EEAC91B3764633C89BC588_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_AA3D79E408EEAC91B3764633C89BC588" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_AA3D79E408EEAC91B3764633C89BC588" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_AA3D79E408EEAC91B3764633C89BC588" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_AA3D79E408EEAC91B3764633C89BC588" xlink:type="arc" />
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodTotalFairValue_F23D8FF93A21AD8945334633C89CF9F4_terseLabel_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodTotalFairValue_F23D8FF93A21AD8945334633C89CF9F4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated total grant date fair value</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodTotalFairValue_F23D8FF93A21AD8945334633C89CF9F4_label_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodTotalFairValue_F23D8FF93A21AD8945334633C89CF9F4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award Options, Grants in Period, Total Fair Value</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodTotalFairValue_F23D8FF93A21AD8945334633C89CF9F4_documentation_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodTotalFairValue_F23D8FF93A21AD8945334633C89CF9F4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the total fair value of options for granted during the period.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodTotalFairValue" xlink:label="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodTotalFairValue_F23D8FF93A21AD8945334633C89CF9F4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodTotalFairValue_F23D8FF93A21AD8945334633C89CF9F4" xlink:to="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodTotalFairValue_F23D8FF93A21AD8945334633C89CF9F4" xlink:type="arc" />
    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_FD4DAA19A030B97F4A014633C89CC49B_verboseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_FD4DAA19A030B97F4A014633C89CC49B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stock-based compensation</link:label>
    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_FD4DAA19A030B97F4A014633C89CC49B_label_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_FD4DAA19A030B97F4A014633C89CC49B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allocated Share-based Compensation Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_FD4DAA19A030B97F4A014633C89CC49B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpense_FD4DAA19A030B97F4A014633C89CC49B" xlink:to="lab_us-gaap_AllocatedShareBasedCompensationExpense_FD4DAA19A030B97F4A014633C89CC49B" xlink:type="arc" />
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_420BDB6503C6344F952F4633C89C4A46_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_420BDB6503C6344F952F4633C89C4A46" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized compensation cost net of expected forfeitures</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_420BDB6503C6344F952F4633C89C4A46_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_420BDB6503C6344F952F4633C89C4A46" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_420BDB6503C6344F952F4633C89C4A46" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_420BDB6503C6344F952F4633C89C4A46" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_420BDB6503C6344F952F4633C89C4A46" xlink:type="arc" />
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_50198F54855998402F814633C89CC18D_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_50198F54855998402F814633C89CC18D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected weighted-average period for recognition of compensation cost (in years)</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_50198F54855998402F814633C89CC18D_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_50198F54855998402F814633C89CC18D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_50198F54855998402F814633C89CC18D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_50198F54855998402F814633C89CC18D" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_50198F54855998402F814633C89CC18D" xlink:type="arc" />
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsVestedTotalFairValue_A67A14432ACD7185676B4633C89CBB5F_terseLabel_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsVestedTotalFairValue_A67A14432ACD7185676B4633C89CBB5F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total fair value of options vested</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsVestedTotalFairValue_A67A14432ACD7185676B4633C89CBB5F_label_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsVestedTotalFairValue_A67A14432ACD7185676B4633C89CBB5F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award, Equity Instruments Options Vested, Total Fair Value</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsVestedTotalFairValue_A67A14432ACD7185676B4633C89CBB5F_documentation_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsVestedTotalFairValue_A67A14432ACD7185676B4633C89CBB5F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the total fair value of vested stock options.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsVestedTotalFairValue" xlink:label="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsVestedTotalFairValue_A67A14432ACD7185676B4633C89CBB5F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsVestedTotalFairValue_A67A14432ACD7185676B4633C89CBB5F" xlink:to="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOptionsVestedTotalFairValue_A67A14432ACD7185676B4633C89CBB5F" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_E6C14EBE85AA690502D64633C89C94A8_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_E6C14EBE85AA690502D64633C89C94A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total intrinsic value of options exercised</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_E6C14EBE85AA690502D64633C89C94A8_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_E6C14EBE85AA690502D64633C89C94A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_E6C14EBE85AA690502D64633C89C94A8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_E6C14EBE85AA690502D64633C89C94A8" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue_E6C14EBE85AA690502D64633C89C94A8" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromStockOptionsExercised_884022441CAC8B475F574633C89CCBED_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromStockOptionsExercised_884022441CAC8B475F574633C89CCBED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from Stock Options Exercised</link:label>
    <link:label id="lab_us-gaap_ProceedsFromStockOptionsExercised_884022441CAC8B475F574633C89CCBED_label_en-US" xlink:label="lab_us-gaap_ProceedsFromStockOptionsExercised_884022441CAC8B475F574633C89CCBED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Stock Options Exercised</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_884022441CAC8B475F574633C89CCBED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromStockOptionsExercised_884022441CAC8B475F574633C89CCBED" xlink:to="lab_us-gaap_ProceedsFromStockOptionsExercised_884022441CAC8B475F574633C89CCBED" xlink:type="arc" />
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantsInPeriodTotalFairValue_3DE67424BE3CB0FF1B254633C89CE1CF_terseLabel_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantsInPeriodTotalFairValue_3DE67424BE3CB0FF1B254633C89CE1CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total fair value of nonvested equity stock units at grant date</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantsInPeriodTotalFairValue_3DE67424BE3CB0FF1B254633C89CE1CF_label_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantsInPeriodTotalFairValue_3DE67424BE3CB0FF1B254633C89CE1CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other than Options Nonvested Grants in Period Total Fair Value</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantsInPeriodTotalFairValue_3DE67424BE3CB0FF1B254633C89CE1CF_documentation_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantsInPeriodTotalFairValue_3DE67424BE3CB0FF1B254633C89CE1CF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the total fair value of nonvested equity stock units granted during the period.</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantsInPeriodTotalFairValue_3DE67424BE3CB0FF1B254633C89CE1CF" xlink:to="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantsInPeriodTotalFairValue_3DE67424BE3CB0FF1B254633C89CE1CF" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1BA91F9B74E34990C0154633C89CC0AE_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1BA91F9B74E34990C0154633C89CC0AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1BA91F9B74E34990C0154633C89CC0AE_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1BA91F9B74E34990C0154633C89CC0AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1BA91F9B74E34990C0154633C89CC0AE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1BA91F9B74E34990C0154633C89CC0AE" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_1BA91F9B74E34990C0154633C89CC0AE" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_EAE5EDBD1EC1EAEBB10F4633C89CB200_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_EAE5EDBD1EC1EAEBB10F4633C89CB200" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation assumptions</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_EAE5EDBD1EC1EAEBB10F4633C89CB200_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_EAE5EDBD1EC1EAEBB10F4633C89CB200" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_EAE5EDBD1EC1EAEBB10F4633C89CB200" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_EAE5EDBD1EC1EAEBB10F4633C89CB200" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_EAE5EDBD1EC1EAEBB10F4633C89CB200" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_8F9C92853C922F5009F64633C89C42CC_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_8F9C92853C922F5009F64633C89C42CC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividend yield (as a percent)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_8F9C92853C922F5009F64633C89C42CC_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_8F9C92853C922F5009F64633C89C42CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_8F9C92853C922F5009F64633C89C42CC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_8F9C92853C922F5009F64633C89C42CC" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_8F9C92853C922F5009F64633C89C42CC" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_27724C304509CDE9215E4633C89C76E4_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_27724C304509CDE9215E4633C89C76E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_27724C304509CDE9215E4633C89C76E4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_27724C304509CDE9215E4633C89C76E4" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_27724C304509CDE9215E4633C89C76E4" xlink:type="arc" />
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodDecreaseInAvailableForGrantForEveryGrant_FD5D5BA0B343EE51704A464E0B8E4466_terseLabel_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodDecreaseInAvailableForGrantForEveryGrant_FD5D5BA0B343EE51704A464E0B8E4466" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments, Other than Options Grants in Period Decrease in Available for Grant for Every Grant</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodDecreaseInAvailableForGrantForEveryGrant_FD5D5BA0B343EE51704A464E0B8E4466_label_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodDecreaseInAvailableForGrantForEveryGrant_FD5D5BA0B343EE51704A464E0B8E4466" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments, Other than Options Grants in Period Decrease in Available for Grant for Every Grant</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodDecreaseInAvailableForGrantForEveryGrant_FD5D5BA0B343EE51704A464E0B8E4466_documentation_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodDecreaseInAvailableForGrantForEveryGrant_FD5D5BA0B343EE51704A464E0B8E4466" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">For purposes of determining the number of shares available for grant under the 2006 Equity Incentive Plan, represents the multiplier by which the number of shares available for grant will decrease, for every restricted stock award granted.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodDecreaseInAvailableForGrantForEveryGrant" xlink:label="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodDecreaseInAvailableForGrantForEveryGrant_FD5D5BA0B343EE51704A464E0B8E4466" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodDecreaseInAvailableForGrantForEveryGrant_FD5D5BA0B343EE51704A464E0B8E4466" xlink:to="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodDecreaseInAvailableForGrantForEveryGrant_FD5D5BA0B343EE51704A464E0B8E4466" xlink:type="arc" />
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodIncreaseInAvailableForGrantForEveryForfeiture_7881B5425CBDD790AF254650BDE753E2_terseLabel_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodIncreaseInAvailableForGrantForEveryForfeiture_7881B5425CBDD790AF254650BDE753E2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Other than Options, Forfeited in Period Increase in Available for Grant for Every Forfeiture</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodIncreaseInAvailableForGrantForEveryForfeiture_7881B5425CBDD790AF254650BDE753E2_label_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodIncreaseInAvailableForGrantForEveryForfeiture_7881B5425CBDD790AF254650BDE753E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments, Other than Options, Forfeited in Period Increase in Available for Grant for Every Forfeiture</link:label>
    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodIncreaseInAvailableForGrantForEveryForfeiture_7881B5425CBDD790AF254650BDE753E2_documentation_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodIncreaseInAvailableForGrantForEveryForfeiture_7881B5425CBDD790AF254650BDE753E2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">For purposes of determining the number of shares available for grant under the 2006 Equity Incentive Plan, represents the multiplier by which the number of shares available for grant will increase, for every restricted stock award forfeited.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodIncreaseInAvailableForGrantForEveryForfeiture" xlink:label="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodIncreaseInAvailableForGrantForEveryForfeiture_7881B5425CBDD790AF254650BDE753E2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodIncreaseInAvailableForGrantForEveryForfeiture_7881B5425CBDD790AF254650BDE753E2" xlink:to="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodIncreaseInAvailableForGrantForEveryForfeiture_7881B5425CBDD790AF254650BDE753E2" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_CF29ED5EEC6EC7923F2F4633C89CCB18_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_CF29ED5EEC6EC7923F2F4633C89CCB18" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected stock price volatility rate minimum (as a percent)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_CF29ED5EEC6EC7923F2F4633C89CCB18_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_CF29ED5EEC6EC7923F2F4633C89CCB18" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_CF29ED5EEC6EC7923F2F4633C89CCB18" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_CF29ED5EEC6EC7923F2F4633C89CCB18" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_964DA704EE5FF081E1984633C89CF924_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_964DA704EE5FF081E1984633C89CF924" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected stock price volatility rate maximum (as a percent)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_964DA704EE5FF081E1984633C89CF924_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_964DA704EE5FF081E1984633C89CF924" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_964DA704EE5FF081E1984633C89CF924" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_228890CCECD5FBB725014633C89CAD48_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_228890CCECD5FBB725014633C89CAD48" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk free interest rate minimum (as a percent)</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_228890CCECD5FBB725014633C89CAD48" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_228890CCECD5FBB725014633C89CAD48" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_228890CCECD5FBB725014633C89CAD48" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_E7B0B5E8799ECE8C9BDE4633C89CD671_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_E7B0B5E8799ECE8C9BDE4633C89CD671" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk free interest rate maximum (as a percent)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_E7B0B5E8799ECE8C9BDE4633C89CD671_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_E7B0B5E8799ECE8C9BDE4633C89CD671" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A685A88C46039817DA574633C89D6947_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A685A88C46039817DA574633C89D6947" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A685A88C46039817DA574633C89D6947_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A685A88C46039817DA574633C89D6947" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A685A88C46039817DA574633C89D6947" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_A25CF8A616F3117E8F454633C89DB669_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_A25CF8A616F3117E8F454633C89DB669" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forfeited (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_A25CF8A616F3117E8F454633C89DB669_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_A25CF8A616F3117E8F454633C89DB669" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_348A56E5B02F5169A2694633C89D7C8C_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_348A56E5B02F5169A2694633C89D7C8C" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Nonvested at the end of the period (in dollars per share)</link:label>
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    <link:label id="lab_rmbs_PotentialAdditionalPerformanceStockUnitsDomain_0B6F98F4B4C1D25EC26F3E17A233F702_terseLabel_en-US" xlink:label="lab_rmbs_PotentialAdditionalPerformanceStockUnitsDomain_0B6F98F4B4C1D25EC26F3E17A233F702" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Potential Additional Performance Stock Units [Domain]</link:label>
    <link:label id="lab_rmbs_PotentialAdditionalPerformanceStockUnitsDomain_0B6F98F4B4C1D25EC26F3E17A233F702_label_en-US" xlink:label="lab_rmbs_PotentialAdditionalPerformanceStockUnitsDomain_0B6F98F4B4C1D25EC26F3E17A233F702" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Potential Additional Performance Stock Units [Domain]</link:label>
    <link:label id="lab_rmbs_PotentialAdditionalPerformanceStockUnitsDomain_0B6F98F4B4C1D25EC26F3E17A233F702_documentation_en-US" xlink:label="lab_rmbs_PotentialAdditionalPerformanceStockUnitsDomain_0B6F98F4B4C1D25EC26F3E17A233F702" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Potential Additional Performance Stock Units [Domain]</link:label>
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    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNumberOfSharesAvailableForGrantRollForward_51CFA7AB851A1470622E3E17A2337401_terseLabel_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNumberOfSharesAvailableForGrantRollForward_51CFA7AB851A1470622E3E17A2337401" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares available for grant</link:label>
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    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNumberOfSharesAvailableForGrantRollForward_51CFA7AB851A1470622E3E17A2337401_documentation_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNumberOfSharesAvailableForGrantRollForward_51CFA7AB851A1470622E3E17A2337401" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNumberOfSharesAvailableForGrantRollForward" xlink:label="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNumberOfSharesAvailableForGrantRollForward_51CFA7AB851A1470622E3E17A2337401" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNumberOfSharesAvailableForGrantRollForward_51CFA7AB851A1470622E3E17A2337401" xlink:to="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNumberOfSharesAvailableForGrantRollForward_51CFA7AB851A1470622E3E17A2337401" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_5960A0992E0B1F3E09F73E17A233B913_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_5960A0992E0B1F3E09F73E17A233B913" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Shares available, at the beginning of the year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_5960A0992E0B1F3E09F73E17A233B913" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_5960A0992E0B1F3E09F73E17A233B913" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_5960A0992E0B1F3E09F73E17A233B913" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_80899038B5EDD1CECAD73E17A233BB5F_negatedLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_80899038B5EDD1CECAD73E17A233BB5F" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Stock options granted (in shares)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_80899038B5EDD1CECAD73E17A233BB5F" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_F61CA3C858FCA921A1463E17A2338876" xlink:type="locator" />
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    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodDecreaseInAvailableForGrant_44D8D82C8C431595FAAD3E17A238C67A_negatedLabel_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodDecreaseInAvailableForGrant_44D8D82C8C431595FAAD3E17A238C67A" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Nonvested equity stock and stock units granted (in shares)</link:label>
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    <link:label id="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodDecreaseInAvailableForGrant_44D8D82C8C431595FAAD3E17A238C67A_documentation_en-US" xlink:label="lab_rmbs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodDecreaseInAvailableForGrant_44D8D82C8C431595FAAD3E17A238C67A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the decrease in number of shares available for grant under the stock incentive plans, which is based on a factor of 1.5 for every restricted stock award granted for the period.</link:label>
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    <link:label id="lab_us-gaap_GoodwillImpairmentLoss_F9AB92B55F8E32CEECA34343F01D4C35_label_en-US" xlink:label="lab_us-gaap_GoodwillImpairmentLoss_F9AB92B55F8E32CEECA34343F01D4C35" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill, Impairment Loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_F9AB92B55F8E32CEECA34343F01D4C35" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CorporateMember_BAEAF557404B77F27DB33F09CAB08F5E_terseLabel_en-US" xlink:label="lab_us-gaap_CorporateMember_BAEAF557404B77F27DB33F09CAB08F5E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Corporate</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock_80B6461550E7E787C35B0C45682A95AB_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock_80B6461550E7E787C35B0C45682A95AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated fair value of cash equivalents and marketable securities classified by date of contractual maturity and the length of time that the securities have been in a continuous unrealized loss position</link:label>
    <link:label id="lab_us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock_80B6461550E7E787C35B0C45682A95AB_label_en-US" xlink:label="lab_us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock_80B6461550E7E787C35B0C45682A95AB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Unrealized Loss on Investments [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock_80B6461550E7E787C35B0C45682A95AB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock_80B6461550E7E787C35B0C45682A95AB" xlink:to="lab_us-gaap_ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock_80B6461550E7E787C35B0C45682A95AB" xlink:type="arc" />
    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_01747BEC8CD13552BF060C4568396A50_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_01747BEC8CD13552BF060C4568396A50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_01747BEC8CD13552BF060C4568396A50" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_01747BEC8CD13552BF060C4568396A50" xlink:to="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_01747BEC8CD13552BF060C4568396A50" xlink:type="arc" />
    <link:label id="lab_us-gaap_NatureOfOperations_372EF689AC454E5B1ABB0C456839A2D1_terseLabel_en-US" xlink:label="lab_us-gaap_NatureOfOperations_372EF689AC454E5B1ABB0C456839A2D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Formation and Business of the Company</link:label>
    <link:label id="lab_us-gaap_NatureOfOperations_372EF689AC454E5B1ABB0C456839A2D1_label_en-US" xlink:label="lab_us-gaap_NatureOfOperations_372EF689AC454E5B1ABB0C456839A2D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nature of Operations [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="loc_us-gaap_NatureOfOperations_372EF689AC454E5B1ABB0C456839A2D1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NatureOfOperations_372EF689AC454E5B1ABB0C456839A2D1" xlink:to="lab_us-gaap_NatureOfOperations_372EF689AC454E5B1ABB0C456839A2D1" xlink:type="arc" />
    <link:label id="lab_rmbs_OperatingLeaseCommitmentTable_DF1B1CE37E84897AA8E53A4E1AC87F1F_terseLabel_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentTable_DF1B1CE37E84897AA8E53A4E1AC87F1F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease Commitment [Table]</link:label>
    <link:label id="lab_rmbs_OperatingLeaseCommitmentTable_DF1B1CE37E84897AA8E53A4E1AC87F1F_label_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentTable_DF1B1CE37E84897AA8E53A4E1AC87F1F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease Commitment [Table]</link:label>
    <link:label id="lab_rmbs_OperatingLeaseCommitmentTable_DF1B1CE37E84897AA8E53A4E1AC87F1F_documentation_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentTable_DF1B1CE37E84897AA8E53A4E1AC87F1F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule setting forth key provisions of operating lease commitments.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_OperatingLeaseCommitmentTable" xlink:label="loc_rmbs_OperatingLeaseCommitmentTable_DF1B1CE37E84897AA8E53A4E1AC87F1F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_OperatingLeaseCommitmentTable_DF1B1CE37E84897AA8E53A4E1AC87F1F" xlink:to="lab_rmbs_OperatingLeaseCommitmentTable_DF1B1CE37E84897AA8E53A4E1AC87F1F" xlink:type="arc" />
    <link:label id="lab_rmbs_ContractualObligationAxis_52610257E1F71A38F48C3A4E1AC9930A_terseLabel_en-US" xlink:label="lab_rmbs_ContractualObligationAxis_52610257E1F71A38F48C3A4E1AC9930A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual Obligation [Axis]</link:label>
    <link:label id="lab_rmbs_ContractualObligationAxis_52610257E1F71A38F48C3A4E1AC9930A_label_en-US" xlink:label="lab_rmbs_ContractualObligationAxis_52610257E1F71A38F48C3A4E1AC9930A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation [Axis]</link:label>
    <link:label id="lab_rmbs_ContractualObligationAxis_52610257E1F71A38F48C3A4E1AC9930A_documentation_en-US" xlink:label="lab_rmbs_ContractualObligationAxis_52610257E1F71A38F48C3A4E1AC9930A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contractual obligation amount arising from different contracts.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ContractualObligationAxis" xlink:label="loc_rmbs_ContractualObligationAxis_52610257E1F71A38F48C3A4E1AC9930A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ContractualObligationAxis_52610257E1F71A38F48C3A4E1AC9930A" xlink:to="lab_rmbs_ContractualObligationAxis_52610257E1F71A38F48C3A4E1AC9930A" xlink:type="arc" />
    <link:label id="lab_rmbs_ContractualObligationUnderMultipleAgreementDomain_56228FCD72775A3446933A4E1AC9840F_terseLabel_en-US" xlink:label="lab_rmbs_ContractualObligationUnderMultipleAgreementDomain_56228FCD72775A3446933A4E1AC9840F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual Obligation under Multiple Agreement [Domain]</link:label>
    <link:label id="lab_rmbs_ContractualObligationUnderMultipleAgreementDomain_56228FCD72775A3446933A4E1AC9840F_label_en-US" xlink:label="lab_rmbs_ContractualObligationUnderMultipleAgreementDomain_56228FCD72775A3446933A4E1AC9840F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation under Multiple Agreement [Domain]</link:label>
    <link:label id="lab_rmbs_ContractualObligationUnderMultipleAgreementDomain_56228FCD72775A3446933A4E1AC9840F_documentation_en-US" xlink:label="lab_rmbs_ContractualObligationUnderMultipleAgreementDomain_56228FCD72775A3446933A4E1AC9840F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Name of the different contractual obligations which include the imputed financing obligation, leases software licenses, convertible notes, and interest payments related to convertible notes.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ContractualObligationUnderMultipleAgreementDomain" xlink:label="loc_rmbs_ContractualObligationUnderMultipleAgreementDomain_56228FCD72775A3446933A4E1AC9840F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ContractualObligationUnderMultipleAgreementDomain_56228FCD72775A3446933A4E1AC9840F" xlink:to="lab_rmbs_ContractualObligationUnderMultipleAgreementDomain_56228FCD72775A3446933A4E1AC9840F" xlink:type="arc" />
    <link:label id="lab_rmbs_OperatingLeaseCommitmentAxis_163C4BA8D8294251AA753A4E1AC94CD9_terseLabel_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentAxis_163C4BA8D8294251AA753A4E1AC94CD9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease Commitment [Axis]</link:label>
    <link:label id="lab_rmbs_OperatingLeaseCommitmentAxis_163C4BA8D8294251AA753A4E1AC94CD9_label_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentAxis_163C4BA8D8294251AA753A4E1AC94CD9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease Commitment [Axis]</link:label>
    <link:label id="lab_rmbs_OperatingLeaseCommitmentAxis_163C4BA8D8294251AA753A4E1AC94CD9_documentation_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentAxis_163C4BA8D8294251AA753A4E1AC94CD9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Key provisions of operating lease arrangement.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_OperatingLeaseCommitmentAxis" xlink:label="loc_rmbs_OperatingLeaseCommitmentAxis_163C4BA8D8294251AA753A4E1AC94CD9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_OperatingLeaseCommitmentAxis_163C4BA8D8294251AA753A4E1AC94CD9" xlink:to="lab_rmbs_OperatingLeaseCommitmentAxis_163C4BA8D8294251AA753A4E1AC94CD9" xlink:type="arc" />
    <link:label id="lab_rmbs_OperatingLeaseCommitmentDomain_3AE1D9C6849EBE099A2A3A4E1AC917C1_terseLabel_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentDomain_3AE1D9C6849EBE099A2A3A4E1AC917C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease Commitment [Domain]</link:label>
    <link:label id="lab_rmbs_OperatingLeaseCommitmentDomain_3AE1D9C6849EBE099A2A3A4E1AC917C1_label_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentDomain_3AE1D9C6849EBE099A2A3A4E1AC917C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease Commitment [Domain]</link:label>
    <link:label id="lab_rmbs_OperatingLeaseCommitmentDomain_3AE1D9C6849EBE099A2A3A4E1AC917C1_documentation_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentDomain_3AE1D9C6849EBE099A2A3A4E1AC917C1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the names of the entities under the operating lease arrangement.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_OperatingLeaseCommitmentDomain" xlink:label="loc_rmbs_OperatingLeaseCommitmentDomain_3AE1D9C6849EBE099A2A3A4E1AC917C1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_OperatingLeaseCommitmentDomain_3AE1D9C6849EBE099A2A3A4E1AC917C1" xlink:to="lab_rmbs_OperatingLeaseCommitmentDomain_3AE1D9C6849EBE099A2A3A4E1AC917C1" xlink:type="arc" />
    <link:label id="lab_rmbs_MtspellcMember_E1D71C4FDEAD124C5FD83A4E1AC9FEDE_terseLabel_en-US" xlink:label="lab_rmbs_MtspellcMember_E1D71C4FDEAD124C5FD83A4E1AC9FEDE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sunnyvale Facility, Original agreement</link:label>
    <link:label id="lab_rmbs_MtspellcMember_E1D71C4FDEAD124C5FD83A4E1AC9FEDE_label_en-US" xlink:label="lab_rmbs_MtspellcMember_E1D71C4FDEAD124C5FD83A4E1AC9FEDE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">MTSPELLC [Member]</link:label>
    <link:label id="lab_rmbs_MtspellcMember_E1D71C4FDEAD124C5FD83A4E1AC9FEDE_documentation_en-US" xlink:label="lab_rmbs_MtspellcMember_E1D71C4FDEAD124C5FD83A4E1AC9FEDE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the lease agreement with MT SPE, LLC (the "landlord").</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_MtspellcMember" xlink:label="loc_rmbs_MtspellcMember_E1D71C4FDEAD124C5FD83A4E1AC9FEDE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_MtspellcMember_E1D71C4FDEAD124C5FD83A4E1AC9FEDE" xlink:to="lab_rmbs_MtspellcMember_E1D71C4FDEAD124C5FD83A4E1AC9FEDE" xlink:type="arc" />
    <link:label id="lab_rmbs_MtspellcAmendedMember_A9A80DC2F6693FF32C103A4E1AC97B5D_terseLabel_en-US" xlink:label="lab_rmbs_MtspellcAmendedMember_A9A80DC2F6693FF32C103A4E1AC97B5D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sunnyvale Facility, First Amended</link:label>
    <link:label id="lab_rmbs_MtspellcAmendedMember_A9A80DC2F6693FF32C103A4E1AC97B5D_label_en-US" xlink:label="lab_rmbs_MtspellcAmendedMember_A9A80DC2F6693FF32C103A4E1AC97B5D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">MTSPELLC Amended [Member]</link:label>
    <link:label id="lab_rmbs_MtspellcAmendedMember_A9A80DC2F6693FF32C103A4E1AC97B5D_documentation_en-US" xlink:label="lab_rmbs_MtspellcAmendedMember_A9A80DC2F6693FF32C103A4E1AC97B5D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_MtspellcAmendedMember" xlink:label="loc_rmbs_MtspellcAmendedMember_A9A80DC2F6693FF32C103A4E1AC97B5D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_MtspellcAmendedMember_A9A80DC2F6693FF32C103A4E1AC97B5D" xlink:to="lab_rmbs_MtspellcAmendedMember_A9A80DC2F6693FF32C103A4E1AC97B5D" xlink:type="arc" />
    <link:label id="lab_rmbs_SunnyvaleFacilitySecondAmendedMember_DA573A9952211777AA893A4E1AC91B97_terseLabel_en-US" xlink:label="lab_rmbs_SunnyvaleFacilitySecondAmendedMember_DA573A9952211777AA893A4E1AC91B97" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sunnyvale Facility, Second Amended</link:label>
    <link:label id="lab_rmbs_SunnyvaleFacilitySecondAmendedMember_DA573A9952211777AA893A4E1AC91B97_label_en-US" xlink:label="lab_rmbs_SunnyvaleFacilitySecondAmendedMember_DA573A9952211777AA893A4E1AC91B97" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sunnyvale Facility, Second Amended [Member]</link:label>
    <link:label id="lab_rmbs_SunnyvaleFacilitySecondAmendedMember_DA573A9952211777AA893A4E1AC91B97_documentation_en-US" xlink:label="lab_rmbs_SunnyvaleFacilitySecondAmendedMember_DA573A9952211777AA893A4E1AC91B97" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sunnyvale Facility, Second Amended [Member]</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_SunnyvaleFacilitySecondAmendedMember" xlink:label="loc_rmbs_SunnyvaleFacilitySecondAmendedMember_DA573A9952211777AA893A4E1AC91B97" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_SunnyvaleFacilitySecondAmendedMember_DA573A9952211777AA893A4E1AC91B97" xlink:to="lab_rmbs_SunnyvaleFacilitySecondAmendedMember_DA573A9952211777AA893A4E1AC91B97" xlink:type="arc" />
    <link:label id="lab_rmbs_OhioFacilityMember_3ED96609E89312EDE47A3A4E1AC9DE5E_terseLabel_en-US" xlink:label="lab_rmbs_OhioFacilityMember_3ED96609E89312EDE47A3A4E1AC9DE5E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ohio Facility</link:label>
    <link:label id="lab_rmbs_OhioFacilityMember_3ED96609E89312EDE47A3A4E1AC9DE5E_label_en-US" xlink:label="lab_rmbs_OhioFacilityMember_3ED96609E89312EDE47A3A4E1AC9DE5E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ohio Facility [Member]</link:label>
    <link:label id="lab_rmbs_OhioFacilityMember_3ED96609E89312EDE47A3A4E1AC9DE5E_documentation_en-US" xlink:label="lab_rmbs_OhioFacilityMember_3ED96609E89312EDE47A3A4E1AC9DE5E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the Ohio facility lease agreement.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_OhioFacilityMember" xlink:label="loc_rmbs_OhioFacilityMember_3ED96609E89312EDE47A3A4E1AC9DE5E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_OhioFacilityMember_3ED96609E89312EDE47A3A4E1AC9DE5E" xlink:to="lab_rmbs_OhioFacilityMember_3ED96609E89312EDE47A3A4E1AC9DE5E" xlink:type="arc" />
    <link:label id="lab_rmbs_FoggBrecksvilleDevelopmentMember_8386A6866F0273CDEB2A3A4E1AC91D2E_terseLabel_en-US" xlink:label="lab_rmbs_FoggBrecksvilleDevelopmentMember_8386A6866F0273CDEB2A3A4E1AC91D2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fogg-Brecksville Development Co., Original</link:label>
    <link:label id="lab_rmbs_FoggBrecksvilleDevelopmentMember_8386A6866F0273CDEB2A3A4E1AC91D2E_label_en-US" xlink:label="lab_rmbs_FoggBrecksvilleDevelopmentMember_8386A6866F0273CDEB2A3A4E1AC91D2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fogg Brecksville Development [Member]</link:label>
    <link:label id="lab_rmbs_FoggBrecksvilleDevelopmentMember_8386A6866F0273CDEB2A3A4E1AC91D2E_documentation_en-US" xlink:label="lab_rmbs_FoggBrecksvilleDevelopmentMember_8386A6866F0273CDEB2A3A4E1AC91D2E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the lease agreement with Fogg-Brecksville Development Co. (the "Ohio Landlord").</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_FoggBrecksvilleDevelopmentMember" xlink:label="loc_rmbs_FoggBrecksvilleDevelopmentMember_8386A6866F0273CDEB2A3A4E1AC91D2E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_FoggBrecksvilleDevelopmentMember_8386A6866F0273CDEB2A3A4E1AC91D2E" xlink:to="lab_rmbs_FoggBrecksvilleDevelopmentMember_8386A6866F0273CDEB2A3A4E1AC91D2E" xlink:type="arc" />
    <link:label id="lab_us-gaap_FacilityClosingMember_61DBDA0415E05F92CEA23A4E1AC9879B_terseLabel_en-US" xlink:label="lab_us-gaap_FacilityClosingMember_61DBDA0415E05F92CEA23A4E1AC9879B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Facility Closing [Member]</link:label>
    <link:label id="lab_us-gaap_FacilityClosingMember_61DBDA0415E05F92CEA23A4E1AC9879B_label_en-US" xlink:label="lab_us-gaap_FacilityClosingMember_61DBDA0415E05F92CEA23A4E1AC9879B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Facility Closing [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FacilityClosingMember" xlink:label="loc_us-gaap_FacilityClosingMember_61DBDA0415E05F92CEA23A4E1AC9879B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FacilityClosingMember_61DBDA0415E05F92CEA23A4E1AC9879B" xlink:to="lab_us-gaap_FacilityClosingMember_61DBDA0415E05F92CEA23A4E1AC9879B" xlink:type="arc" />
    <link:label id="lab_rmbs_ConvertibleSeniorNotesMember_76611EF62BC8ABA8381E3A4E1ACA9DDF_terseLabel_en-US" xlink:label="lab_rmbs_ConvertibleSeniorNotesMember_76611EF62BC8ABA8381E3A4E1ACA9DDF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible Senior Notes [Member]</link:label>
    <link:label id="lab_rmbs_ConvertibleSeniorNotesMember_76611EF62BC8ABA8381E3A4E1ACA9DDF_label_en-US" xlink:label="lab_rmbs_ConvertibleSeniorNotesMember_76611EF62BC8ABA8381E3A4E1ACA9DDF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Senior Notes [Member]</link:label>
    <link:label id="lab_rmbs_ConvertibleSeniorNotesMember_76611EF62BC8ABA8381E3A4E1ACA9DDF_documentation_en-US" xlink:label="lab_rmbs_ConvertibleSeniorNotesMember_76611EF62BC8ABA8381E3A4E1ACA9DDF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Convertible Senior Notes [Member]</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ConvertibleSeniorNotesMember" xlink:label="loc_rmbs_ConvertibleSeniorNotesMember_76611EF62BC8ABA8381E3A4E1ACA9DDF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ConvertibleSeniorNotesMember_76611EF62BC8ABA8381E3A4E1ACA9DDF" xlink:to="lab_rmbs_ConvertibleSeniorNotesMember_76611EF62BC8ABA8381E3A4E1ACA9DDF" xlink:type="arc" />
    <link:label id="lab_rmbs_OperatingLeaseCommitmentLineItems_1FE679EDC1294CD1DE1D3A4E1ACA0E8C_terseLabel_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentLineItems_1FE679EDC1294CD1DE1D3A4E1ACA0E8C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease Commitments</link:label>
    <link:label id="lab_rmbs_OperatingLeaseCommitmentLineItems_1FE679EDC1294CD1DE1D3A4E1ACA0E8C_label_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentLineItems_1FE679EDC1294CD1DE1D3A4E1ACA0E8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease Commitment [Line Items]</link:label>
    <link:label id="lab_rmbs_OperatingLeaseCommitmentLineItems_1FE679EDC1294CD1DE1D3A4E1ACA0E8C_documentation_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentLineItems_1FE679EDC1294CD1DE1D3A4E1ACA0E8C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_OperatingLeaseCommitmentLineItems" xlink:label="loc_rmbs_OperatingLeaseCommitmentLineItems_1FE679EDC1294CD1DE1D3A4E1ACA0E8C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_OperatingLeaseCommitmentLineItems_1FE679EDC1294CD1DE1D3A4E1ACA0E8C" xlink:to="lab_rmbs_OperatingLeaseCommitmentLineItems_1FE679EDC1294CD1DE1D3A4E1ACA0E8C" xlink:type="arc" />
    <link:label id="lab_rmbs_OperatingLeaseCommitmentNumberOfOptionToExtendLeaseAgreement_2CDBDA3FF4E3E6F02F373A4E1ACAA202_terseLabel_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentNumberOfOptionToExtendLeaseAgreement_2CDBDA3FF4E3E6F02F373A4E1ACAA202" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of options</link:label>
    <link:label id="lab_rmbs_OperatingLeaseCommitmentNumberOfOptionToExtendLeaseAgreement_2CDBDA3FF4E3E6F02F373A4E1ACAA202_label_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentNumberOfOptionToExtendLeaseAgreement_2CDBDA3FF4E3E6F02F373A4E1ACAA202" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease Commitment Number of Option to Extend Lease Agreement</link:label>
    <link:label id="lab_rmbs_OperatingLeaseCommitmentNumberOfOptionToExtendLeaseAgreement_2CDBDA3FF4E3E6F02F373A4E1ACAA202_documentation_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentNumberOfOptionToExtendLeaseAgreement_2CDBDA3FF4E3E6F02F373A4E1ACAA202" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of options to extend the lease.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_OperatingLeaseCommitmentNumberOfOptionToExtendLeaseAgreement" xlink:label="loc_rmbs_OperatingLeaseCommitmentNumberOfOptionToExtendLeaseAgreement_2CDBDA3FF4E3E6F02F373A4E1ACAA202" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_OperatingLeaseCommitmentNumberOfOptionToExtendLeaseAgreement_2CDBDA3FF4E3E6F02F373A4E1ACAA202" xlink:to="lab_rmbs_OperatingLeaseCommitmentNumberOfOptionToExtendLeaseAgreement_2CDBDA3FF4E3E6F02F373A4E1ACAA202" xlink:type="arc" />
    <link:label id="lab_rmbs_OperatingLeaseCommitmentNumberofExtendedMonthsunderOptions_9D3016EE85C54FECCBBD3A4E1ACAB7C0_terseLabel_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentNumberofExtendedMonthsunderOptions_9D3016EE85C54FECCBBD3A4E1ACAB7C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period for extension of lease (in months)</link:label>
    <link:label id="lab_rmbs_OperatingLeaseCommitmentNumberofExtendedMonthsunderOptions_9D3016EE85C54FECCBBD3A4E1ACAB7C0_label_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentNumberofExtendedMonthsunderOptions_9D3016EE85C54FECCBBD3A4E1ACAB7C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease Commitment Number of Extended Months under Options</link:label>
    <link:label id="lab_rmbs_OperatingLeaseCommitmentNumberofExtendedMonthsunderOptions_9D3016EE85C54FECCBBD3A4E1ACAB7C0_documentation_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentNumberofExtendedMonthsunderOptions_9D3016EE85C54FECCBBD3A4E1ACAB7C0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating Lease Commitment Number of Extended Months under Options</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_OperatingLeaseCommitmentNumberofExtendedMonthsunderOptions" xlink:label="loc_rmbs_OperatingLeaseCommitmentNumberofExtendedMonthsunderOptions_9D3016EE85C54FECCBBD3A4E1ACAB7C0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_OperatingLeaseCommitmentNumberofExtendedMonthsunderOptions_9D3016EE85C54FECCBBD3A4E1ACAB7C0" xlink:to="lab_rmbs_OperatingLeaseCommitmentNumberofExtendedMonthsunderOptions_9D3016EE85C54FECCBBD3A4E1ACAB7C0" xlink:type="arc" />
    <link:label id="lab_rmbs_OperatingLeaseCommitmentTerminationPeriod_68280D7A45F48C10815E3A4E1ACAF667_terseLabel_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentTerminationPeriod_68280D7A45F48C10815E3A4E1ACAF667" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Lease Commitment Termination Period</link:label>
    <link:label id="lab_rmbs_OperatingLeaseCommitmentTerminationPeriod_68280D7A45F48C10815E3A4E1ACAF667_label_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentTerminationPeriod_68280D7A45F48C10815E3A4E1ACAF667" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease Commitment Termination Period</link:label>
    <link:label id="lab_rmbs_OperatingLeaseCommitmentTerminationPeriod_68280D7A45F48C10815E3A4E1ACAF667_documentation_en-US" xlink:label="lab_rmbs_OperatingLeaseCommitmentTerminationPeriod_68280D7A45F48C10815E3A4E1ACAF667" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of months after which lease can be terminated.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_OperatingLeaseCommitmentTerminationPeriod" xlink:label="loc_rmbs_OperatingLeaseCommitmentTerminationPeriod_68280D7A45F48C10815E3A4E1ACAF667" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_OperatingLeaseCommitmentTerminationPeriod_68280D7A45F48C10815E3A4E1ACAF667" xlink:to="lab_rmbs_OperatingLeaseCommitmentTerminationPeriod_68280D7A45F48C10815E3A4E1ACAF667" xlink:type="arc" />
    <link:label id="lab_rmbs_ReimbursementUnderLeasesToBeReceived_BC363684829E2F58956D3A4E1ACA8AC0_terseLabel_en-US" xlink:label="lab_rmbs_ReimbursementUnderLeasesToBeReceived_BC363684829E2F58956D3A4E1ACA8AC0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total reimbursement receivable under lease agreement</link:label>
    <link:label id="lab_rmbs_ReimbursementUnderLeasesToBeReceived_BC363684829E2F58956D3A4E1ACA8AC0_label_en-US" xlink:label="lab_rmbs_ReimbursementUnderLeasesToBeReceived_BC363684829E2F58956D3A4E1ACA8AC0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reimbursement under Leases to be Received</link:label>
    <link:label id="lab_rmbs_ReimbursementUnderLeasesToBeReceived_BC363684829E2F58956D3A4E1ACA8AC0_documentation_en-US" xlink:label="lab_rmbs_ReimbursementUnderLeasesToBeReceived_BC363684829E2F58956D3A4E1ACA8AC0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the total amount that the landlord has agreed to reimburse the reporting entity pursuant to the terms of the lease agreement.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ReimbursementUnderLeasesToBeReceived" xlink:label="loc_rmbs_ReimbursementUnderLeasesToBeReceived_BC363684829E2F58956D3A4E1ACA8AC0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ReimbursementUnderLeasesToBeReceived_BC363684829E2F58956D3A4E1ACA8AC0" xlink:to="lab_rmbs_ReimbursementUnderLeasesToBeReceived_BC363684829E2F58956D3A4E1ACA8AC0" xlink:type="arc" />
    <link:label id="lab_rmbs_FinancingExpenseFromLeaseFacilities_92323DEC987662D278DE3A4E1ACAE192_terseLabel_en-US" xlink:label="lab_rmbs_FinancingExpenseFromLeaseFacilities_92323DEC987662D278DE3A4E1ACAE192" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest expense related to imputed financing obligation</link:label>
    <link:label id="lab_rmbs_FinancingExpenseFromLeaseFacilities_92323DEC987662D278DE3A4E1ACAE192_label_en-US" xlink:label="lab_rmbs_FinancingExpenseFromLeaseFacilities_92323DEC987662D278DE3A4E1ACAE192" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Expense from Lease Facilities</link:label>
    <link:label id="lab_rmbs_FinancingExpenseFromLeaseFacilities_92323DEC987662D278DE3A4E1ACAE192_documentation_en-US" xlink:label="lab_rmbs_FinancingExpenseFromLeaseFacilities_92323DEC987662D278DE3A4E1ACAE192" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the interest expense in connection with the imputed financing obligation during the period.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_FinancingExpenseFromLeaseFacilities" xlink:label="loc_rmbs_FinancingExpenseFromLeaseFacilities_92323DEC987662D278DE3A4E1ACAE192" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_FinancingExpenseFromLeaseFacilities_92323DEC987662D278DE3A4E1ACAE192" xlink:to="lab_rmbs_FinancingExpenseFromLeaseFacilities_92323DEC987662D278DE3A4E1ACAE192" xlink:type="arc" />
    <link:label id="lab_rmbs_CurrentAndLongTermImputedFinancingObligation_CF4904C3327F56C90B863A4E1ACA6D48_terseLabel_en-US" xlink:label="lab_rmbs_CurrentAndLongTermImputedFinancingObligation_CF4904C3327F56C90B863A4E1ACA6D48" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current and Long Term, Imputed Financing Obligation</link:label>
    <link:label id="lab_rmbs_CurrentAndLongTermImputedFinancingObligation_CF4904C3327F56C90B863A4E1ACA6D48_label_en-US" xlink:label="lab_rmbs_CurrentAndLongTermImputedFinancingObligation_CF4904C3327F56C90B863A4E1ACA6D48" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current and Long Term, Imputed Financing Obligation</link:label>
    <link:label id="lab_rmbs_CurrentAndLongTermImputedFinancingObligation_CF4904C3327F56C90B863A4E1ACA6D48_documentation_en-US" xlink:label="lab_rmbs_CurrentAndLongTermImputedFinancingObligation_CF4904C3327F56C90B863A4E1ACA6D48" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The unamortized amount of current and long-term liabilities that an Entity assumes in consideration for the estimated fair value of the Entity's share of buildings in the build out of leased facilities plus any tenant improvement allowance received from landlords. As the Entity retains sufficient continuing involvement following the completion of construction, for accounting purposes, the Entity is treated as the owner of the leased facilities and to record an imputed financing obligation for its obligation to the legal owners.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_CurrentAndLongTermImputedFinancingObligation" xlink:label="loc_rmbs_CurrentAndLongTermImputedFinancingObligation_CF4904C3327F56C90B863A4E1ACA6D48" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_CurrentAndLongTermImputedFinancingObligation_CF4904C3327F56C90B863A4E1ACA6D48" xlink:to="lab_rmbs_CurrentAndLongTermImputedFinancingObligation_CF4904C3327F56C90B863A4E1ACA6D48" xlink:type="arc" />
    <link:label id="lab_rmbs_PropertyPlantAndEquipmentCostCapitalizationAmount_2360CE437CD3741B24313A4E1ACA977A_terseLabel_en-US" xlink:label="lab_rmbs_PropertyPlantAndEquipmentCostCapitalizationAmount_2360CE437CD3741B24313A4E1ACA977A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capitalized property plant and equipment</link:label>
    <link:label id="lab_rmbs_PropertyPlantAndEquipmentCostCapitalizationAmount_2360CE437CD3741B24313A4E1ACA977A_label_en-US" xlink:label="lab_rmbs_PropertyPlantAndEquipmentCostCapitalizationAmount_2360CE437CD3741B24313A4E1ACA977A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment Cost Capitalization Amount</link:label>
    <link:label id="lab_rmbs_PropertyPlantAndEquipmentCostCapitalizationAmount_2360CE437CD3741B24313A4E1ACA977A_documentation_en-US" xlink:label="lab_rmbs_PropertyPlantAndEquipmentCostCapitalizationAmount_2360CE437CD3741B24313A4E1ACA977A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the total capitalized amount of property, plant and equipment which was based on the estimated fair value of the portion of the unfinished leased building along with a corresponding financing obligation for the same amount.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_PropertyPlantAndEquipmentCostCapitalizationAmount" xlink:label="loc_rmbs_PropertyPlantAndEquipmentCostCapitalizationAmount_2360CE437CD3741B24313A4E1ACA977A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_PropertyPlantAndEquipmentCostCapitalizationAmount_2360CE437CD3741B24313A4E1ACA977A" xlink:to="lab_rmbs_PropertyPlantAndEquipmentCostCapitalizationAmount_2360CE437CD3741B24313A4E1ACA977A" xlink:type="arc" />
    <link:label id="lab_us-gaap_AreaOfRealEstateProperty_C4A8EE57C924C9EADD1F3A4E1ACA32D0_terseLabel_en-US" xlink:label="lab_us-gaap_AreaOfRealEstateProperty_C4A8EE57C924C9EADD1F3A4E1ACA32D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total space under lease (in square feet)</link:label>
    <link:label id="lab_us-gaap_AreaOfRealEstateProperty_C4A8EE57C924C9EADD1F3A4E1ACA32D0_label_en-US" xlink:label="lab_us-gaap_AreaOfRealEstateProperty_C4A8EE57C924C9EADD1F3A4E1ACA32D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Area of Real Estate Property</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AreaOfRealEstateProperty" xlink:label="loc_us-gaap_AreaOfRealEstateProperty_C4A8EE57C924C9EADD1F3A4E1ACA32D0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AreaOfRealEstateProperty_C4A8EE57C924C9EADD1F3A4E1ACA32D0" xlink:to="lab_us-gaap_AreaOfRealEstateProperty_C4A8EE57C924C9EADD1F3A4E1ACA32D0" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_FA3AE793E7FFB41F859F3A4E1ACB1C69_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount_FA3AE793E7FFB41F859F3A4E1ACB1C69" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unamortized discount</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_FA3AE793E7FFB41F859F3A4E1ACB1C69_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount_FA3AE793E7FFB41F859F3A4E1ACB1C69" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Unamortized Discount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_FA3AE793E7FFB41F859F3A4E1ACB1C69" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscount_FA3AE793E7FFB41F859F3A4E1ACB1C69" xlink:to="lab_us-gaap_DebtInstrumentUnamortizedDiscount_FA3AE793E7FFB41F859F3A4E1ACB1C69" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnamortizedDebtIssuanceExpense_DCCA21D507AEDA6E7A543A587E1B4C6C_terseLabel_en-US" xlink:label="lab_us-gaap_UnamortizedDebtIssuanceExpense_DCCA21D507AEDA6E7A543A587E1B4C6C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unamortized Debt Issuance Expense</link:label>
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    <link:label id="lab_rmbs_SettlementAgreementEstimatedFairValueAntitrustLitigationSettlement_A97414DDCBB07713F64A0C4566652B89_documentation_en-US" xlink:label="lab_rmbs_SettlementAgreementEstimatedFairValueAntitrustLitigationSettlement_A97414DDCBB07713F64A0C4566652B89" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the portion of the aggregate settlement agreement estimated fair value allocated to the antitrust litigation settlement.</link:label>
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    <link:label id="lab_rmbs_SettlementAgreementEstimatedFairValueSettlementOfPastInfringement_57E102318EC3E6A2AFC50C456665CA02_documentation_en-US" xlink:label="lab_rmbs_SettlementAgreementEstimatedFairValueSettlementOfPastInfringement_57E102318EC3E6A2AFC50C456665CA02" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the portion of the aggregate settlement agreement estimated fair value allocated to past infringement.</link:label>
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    <link:label id="lab_rmbs_SettlementAgreementEstimatedFairValueLicenseAgreement_B9CC9744F4063453E9860C456665FB67_documentation_en-US" xlink:label="lab_rmbs_SettlementAgreementEstimatedFairValueLicenseAgreement_B9CC9744F4063453E9860C456665FB67" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the portion of the aggregate settlement agreement estimated fair value allocated to the license agreement.</link:label>
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    <link:label id="lab_rmbs_SettlementAgreementEstimatedFairValueTotal_2CAC68CE6CC3EAC84C080C456665F6E3_documentation_en-US" xlink:label="lab_rmbs_SettlementAgreementEstimatedFairValueTotal_2CAC68CE6CC3EAC84C080C456665F6E3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the estimated fair value of the settlement agreement which Samsung has agreed to pay subject to adjustments per the terms of the License Agreement.</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_2EA602BC75F1E5D290FB3E82E1EE8C67" xlink:to="lab_us-gaap_NameOfMajorCustomerDomain_2EA602BC75F1E5D290FB3E82E1EE8C67" xlink:type="arc" />
    <link:label id="lab_rmbs_CustomeraMember_78EC6B2E7FE822C946603E82E1EE0A56_terseLabel_en-US" xlink:label="lab_rmbs_CustomeraMember_78EC6B2E7FE822C946603E82E1EE0A56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer A</link:label>
    <link:label id="lab_rmbs_CustomeraMember_78EC6B2E7FE822C946603E82E1EE0A56_label_en-US" xlink:label="lab_rmbs_CustomeraMember_78EC6B2E7FE822C946603E82E1EE0A56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CustomerA [Member]</link:label>
    <link:label id="lab_rmbs_CustomeraMember_78EC6B2E7FE822C946603E82E1EE0A56_documentation_en-US" xlink:label="lab_rmbs_CustomeraMember_78EC6B2E7FE822C946603E82E1EE0A56" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of total revenues from customer A revenues in excess of 10 percent of total revenues for respective reporting period.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_CustomeraMember" xlink:label="loc_rmbs_CustomeraMember_78EC6B2E7FE822C946603E82E1EE0A56" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_CustomeraMember_78EC6B2E7FE822C946603E82E1EE0A56" xlink:to="lab_rmbs_CustomeraMember_78EC6B2E7FE822C946603E82E1EE0A56" xlink:type="arc" />
    <link:label id="lab_rmbs_CustomerBMember_C2C0FD6834015A5B027A3E82E1EEB94B_terseLabel_en-US" xlink:label="lab_rmbs_CustomerBMember_C2C0FD6834015A5B027A3E82E1EEB94B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer B</link:label>
    <link:label id="lab_rmbs_CustomerBMember_C2C0FD6834015A5B027A3E82E1EEB94B_label_en-US" xlink:label="lab_rmbs_CustomerBMember_C2C0FD6834015A5B027A3E82E1EEB94B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer B [Member]</link:label>
    <link:label id="lab_rmbs_CustomerBMember_C2C0FD6834015A5B027A3E82E1EEB94B_documentation_en-US" xlink:label="lab_rmbs_CustomerBMember_C2C0FD6834015A5B027A3E82E1EEB94B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of total revenues from customer B (revenues in excess of 10 percent of total revenues) for respective reporting period.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_CustomerBMember" xlink:label="loc_rmbs_CustomerBMember_C2C0FD6834015A5B027A3E82E1EEB94B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_CustomerBMember_C2C0FD6834015A5B027A3E82E1EEB94B" xlink:to="lab_rmbs_CustomerBMember_C2C0FD6834015A5B027A3E82E1EEB94B" xlink:type="arc" />
    <link:label id="lab_rmbs_CustomerCMember_1E16A96EE3D704D9B0583E82E1EF1473_terseLabel_en-US" xlink:label="lab_rmbs_CustomerCMember_1E16A96EE3D704D9B0583E82E1EF1473" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer C</link:label>
    <link:label id="lab_rmbs_CustomerCMember_1E16A96EE3D704D9B0583E82E1EF1473_label_en-US" xlink:label="lab_rmbs_CustomerCMember_1E16A96EE3D704D9B0583E82E1EF1473" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer C [Member]</link:label>
    <link:label id="lab_rmbs_CustomerCMember_1E16A96EE3D704D9B0583E82E1EF1473_documentation_en-US" xlink:label="lab_rmbs_CustomerCMember_1E16A96EE3D704D9B0583E82E1EF1473" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of total revenues from customer C (revenues in excess of 10 percent of total revenues) for respective reporting period.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_CustomerCMember" xlink:label="loc_rmbs_CustomerCMember_1E16A96EE3D704D9B0583E82E1EF1473" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_CustomerCMember_1E16A96EE3D704D9B0583E82E1EF1473" xlink:to="lab_rmbs_CustomerCMember_1E16A96EE3D704D9B0583E82E1EF1473" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_D8E01E85F4D67EEA69A03E82E1EF544E_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_D8E01E85F4D67EEA69A03E82E1EF544E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration risk as a percentage</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_D8E01E85F4D67EEA69A03E82E1EF544E_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1_D8E01E85F4D67EEA69A03E82E1EF544E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk, Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_D8E01E85F4D67EEA69A03E82E1EF544E" xlink:type="locator" />
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    <link:label id="lab_rmbs_ScheduleOfShareBasedCompensationStockOptionsAwardsNumberOfSharesActivityTableTextBlock_CEE2520FC0F5124CEC383DD3FCA2FAEE_terseLabel_en-US" xlink:label="lab_rmbs_ScheduleOfShareBasedCompensationStockOptionsAwardsNumberOfSharesActivityTableTextBlock_CEE2520FC0F5124CEC383DD3FCA2FAEE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares available for grant under stock-based incentive plans</link:label>
    <link:label id="lab_rmbs_ScheduleOfShareBasedCompensationStockOptionsAwardsNumberOfSharesActivityTableTextBlock_CEE2520FC0F5124CEC383DD3FCA2FAEE_label_en-US" xlink:label="lab_rmbs_ScheduleOfShareBasedCompensationStockOptionsAwardsNumberOfSharesActivityTableTextBlock_CEE2520FC0F5124CEC383DD3FCA2FAEE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Share Based Compensation Stock Options Awards, Number of Shares Activity [Table Text Block]</link:label>
    <link:label id="lab_rmbs_ScheduleOfShareBasedCompensationStockOptionsAwardsNumberOfSharesActivityTableTextBlock_CEE2520FC0F5124CEC383DD3FCA2FAEE_documentation_en-US" xlink:label="lab_rmbs_ScheduleOfShareBasedCompensationStockOptionsAwardsNumberOfSharesActivityTableTextBlock_CEE2520FC0F5124CEC383DD3FCA2FAEE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of the number of shares available for grant under the company plan that were outstanding at the beginning and end of the year.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ScheduleOfShareBasedCompensationStockOptionsAwardsNumberOfSharesActivityTableTextBlock" xlink:label="loc_rmbs_ScheduleOfShareBasedCompensationStockOptionsAwardsNumberOfSharesActivityTableTextBlock_CEE2520FC0F5124CEC383DD3FCA2FAEE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ScheduleOfShareBasedCompensationStockOptionsAwardsNumberOfSharesActivityTableTextBlock_CEE2520FC0F5124CEC383DD3FCA2FAEE" xlink:to="lab_rmbs_ScheduleOfShareBasedCompensationStockOptionsAwardsNumberOfSharesActivityTableTextBlock_CEE2520FC0F5124CEC383DD3FCA2FAEE" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_05D833D40FEEE7C1E4CA3DD3FCA2A892_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_05D833D40FEEE7C1E4CA3DD3FCA2A892" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of stock option activity</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_05D833D40FEEE7C1E4CA3DD3FCA2A892_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_05D833D40FEEE7C1E4CA3DD3FCA2A892" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_05D833D40FEEE7C1E4CA3DD3FCA2A892" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_05D833D40FEEE7C1E4CA3DD3FCA2A892" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_05D833D40FEEE7C1E4CA3DD3FCA2A892" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_776FABEDB7E9E1BD26553DD3FCA2D95E_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_776FABEDB7E9E1BD26553DD3FCA2D95E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of shares authorized under Stock Option Plans, by exercise price range</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_776FABEDB7E9E1BD26553DD3FCA2D95E_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_776FABEDB7E9E1BD26553DD3FCA2D95E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_776FABEDB7E9E1BD26553DD3FCA2D95E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_776FABEDB7E9E1BD26553DD3FCA2D95E" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock_776FABEDB7E9E1BD26553DD3FCA2D95E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_D47B25A683D7B6C0D7503DD3FCA25DC9_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_D47B25A683D7B6C0D7503DD3FCA25DC9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted-average assumptions for Stock Option Plans</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_D47B25A683D7B6C0D7503DD3FCA25DC9_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_D47B25A683D7B6C0D7503DD3FCA25DC9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_D47B25A683D7B6C0D7503DD3FCA25DC9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_D47B25A683D7B6C0D7503DD3FCA25DC9" xlink:to="lab_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_D47B25A683D7B6C0D7503DD3FCA25DC9" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_3CEA0F6349FDE4F1B7703DD3FCA2AB46_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_3CEA0F6349FDE4F1B7703DD3FCA2AB46" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted-average assumptions for Employee Stock Purchase Plan</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_3CEA0F6349FDE4F1B7703DD3FCA2AB46_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_3CEA0F6349FDE4F1B7703DD3FCA2AB46" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock_3CEA0F6349FDE4F1B7703DD3FCA2AB46" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock_9F0C02D70F4DBD879DCF3DD3FCA2AFF3_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock_9F0C02D70F4DBD879DCF3DD3FCA2AFF3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Activity related to nonvested equity stock and stock units</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock_9F0C02D70F4DBD879DCF3DD3FCA2AFF3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_310BAB2286A16F7AE1DD43E286A8B6AE_label_en-US" xlink:label="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_310BAB2286A16F7AE1DD43E286A8B6AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Comprehensive Income [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_310BAB2286A16F7AE1DD43E286A8B6AE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_DD5DABCF11B0B9D0D45043E286A96D00_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentAbstract_DD5DABCF11B0B9D0D45043E286A96D00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income (loss):</link:label>
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    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_6B230B01D646E38967CE43E286AAE59F_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_6B230B01D646E38967CE43E286AAE59F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
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    <link:label id="lab_rmbs_InterestPaymentRelatedToConvertibleNotesMember_92D845D6A9B56112235E3A4E152CCA0F_documentation_en-US" xlink:label="lab_rmbs_InterestPaymentRelatedToConvertibleNotesMember_92D845D6A9B56112235E3A4E152CCA0F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This element represents the payment of interest related to convertible notes.</link:label>
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    <link:label id="lab_rmbs_ContractualObligationLineItems_3722EB050B0F4F47E2613A4E152C249F_terseLabel_en-US" xlink:label="lab_rmbs_ContractualObligationLineItems_3722EB050B0F4F47E2613A4E152C249F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual obligations</link:label>
    <link:label id="lab_rmbs_ContractualObligationLineItems_3722EB050B0F4F47E2613A4E152C249F_label_en-US" xlink:label="lab_rmbs_ContractualObligationLineItems_3722EB050B0F4F47E2613A4E152C249F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation [Line Items]</link:label>
    <link:label id="lab_rmbs_ContractualObligationLineItems_3722EB050B0F4F47E2613A4E152C249F_documentation_en-US" xlink:label="lab_rmbs_ContractualObligationLineItems_3722EB050B0F4F47E2613A4E152C249F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line item represents the contractual obligation included in table.</link:label>
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    <link:label id="lab_us-gaap_ContractualObligationDueInNextTwelveMonths_345B92E7C472773961963A4E152C8216_label_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInNextTwelveMonths_345B92E7C472773961963A4E152C8216" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation, Due in Next Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ContractualObligationDueInNextTwelveMonths" xlink:label="loc_us-gaap_ContractualObligationDueInNextTwelveMonths_345B92E7C472773961963A4E152C8216" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ContractualObligationDueInSecondYear_C9294764B9DDDA72CDBA3A4E152D9F40_terseLabel_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInSecondYear_C9294764B9DDDA72CDBA3A4E152D9F40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual Obligation, Due in Second Year</link:label>
    <link:label id="lab_us-gaap_ContractualObligationDueInSecondYear_C9294764B9DDDA72CDBA3A4E152D9F40_label_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInSecondYear_C9294764B9DDDA72CDBA3A4E152D9F40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation, Due in Second Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ContractualObligationDueInSecondYear" xlink:label="loc_us-gaap_ContractualObligationDueInSecondYear_C9294764B9DDDA72CDBA3A4E152D9F40" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractualObligationDueInSecondYear_C9294764B9DDDA72CDBA3A4E152D9F40" xlink:to="lab_us-gaap_ContractualObligationDueInSecondYear_C9294764B9DDDA72CDBA3A4E152D9F40" xlink:type="arc" />
    <link:label id="lab_us-gaap_ContractualObligationDueInThirdYear_C32354CC3FFC6090246B3A4E152DE092_terseLabel_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInThirdYear_C32354CC3FFC6090246B3A4E152DE092" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual Obligation, Due in Third Year</link:label>
    <link:label id="lab_us-gaap_ContractualObligationDueInThirdYear_C32354CC3FFC6090246B3A4E152DE092_label_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInThirdYear_C32354CC3FFC6090246B3A4E152DE092" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation, Due in Third Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ContractualObligationDueInThirdYear" xlink:label="loc_us-gaap_ContractualObligationDueInThirdYear_C32354CC3FFC6090246B3A4E152DE092" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractualObligationDueInThirdYear_C32354CC3FFC6090246B3A4E152DE092" xlink:to="lab_us-gaap_ContractualObligationDueInThirdYear_C32354CC3FFC6090246B3A4E152DE092" xlink:type="arc" />
    <link:label id="lab_us-gaap_ContractualObligationDueInFourthYear_487E1D537E849DCEA2A43A4E152DE806_terseLabel_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInFourthYear_487E1D537E849DCEA2A43A4E152DE806" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual Obligation, Due in Fourth Year</link:label>
    <link:label id="lab_us-gaap_ContractualObligationDueInFourthYear_487E1D537E849DCEA2A43A4E152DE806_label_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInFourthYear_487E1D537E849DCEA2A43A4E152DE806" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation, Due in Fourth Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ContractualObligationDueInFourthYear" xlink:label="loc_us-gaap_ContractualObligationDueInFourthYear_487E1D537E849DCEA2A43A4E152DE806" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractualObligationDueInFourthYear_487E1D537E849DCEA2A43A4E152DE806" xlink:to="lab_us-gaap_ContractualObligationDueInFourthYear_487E1D537E849DCEA2A43A4E152DE806" xlink:type="arc" />
    <link:label id="lab_us-gaap_ContractualObligationDueInFifthYear_D0C6B1E5B5DFCAE7178F3A4E152DCA40_terseLabel_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInFifthYear_D0C6B1E5B5DFCAE7178F3A4E152DCA40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual Obligation, Due in Fifth Year</link:label>
    <link:label id="lab_us-gaap_ContractualObligationDueInFifthYear_D0C6B1E5B5DFCAE7178F3A4E152DCA40_label_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInFifthYear_D0C6B1E5B5DFCAE7178F3A4E152DCA40" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation, Due in Fifth Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ContractualObligationDueInFifthYear" xlink:label="loc_us-gaap_ContractualObligationDueInFifthYear_D0C6B1E5B5DFCAE7178F3A4E152DCA40" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ContractualObligationDueAfterFifthYear_20D5952D03C7721D72FA3A4E152DA8E1_terseLabel_en-US" xlink:label="lab_us-gaap_ContractualObligationDueAfterFifthYear_20D5952D03C7721D72FA3A4E152DA8E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual Obligation, Due after Fifth Year</link:label>
    <link:label id="lab_us-gaap_ContractualObligationDueAfterFifthYear_20D5952D03C7721D72FA3A4E152DA8E1_label_en-US" xlink:label="lab_us-gaap_ContractualObligationDueAfterFifthYear_20D5952D03C7721D72FA3A4E152DA8E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation, Due after Fifth Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ContractualObligationDueAfterFifthYear" xlink:label="loc_us-gaap_ContractualObligationDueAfterFifthYear_20D5952D03C7721D72FA3A4E152DA8E1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ContractualObligation_D0D7038DEC6588263B193A4E152DB887_label_en-US" xlink:label="lab_us-gaap_ContractualObligation_D0D7038DEC6588263B193A4E152DB887" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ContractualObligation" xlink:label="loc_us-gaap_ContractualObligation_D0D7038DEC6588263B193A4E152DB887" xlink:type="locator" />
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    <link:label id="lab_us-gaap_UnrecognizedTaxBenefits_1FC844B62FFC075C34533A4E152D734D_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefits_1FC844B62FFC075C34533A4E152D734D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized Tax Benefits</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_1FC844B62FFC075C34533A4E152D734D" xlink:type="locator" />
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    <link:label id="lab_rmbs_TermsofNoncancellableLicenseAgreementMinimum_C8C8447EF0AFC398932D3A4E152D9361_terseLabel_en-US" xlink:label="lab_rmbs_TermsofNoncancellableLicenseAgreementMinimum_C8C8447EF0AFC398932D3A4E152D9361" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Terms of noncancellable license agreement, minimum (in years)</link:label>
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    <link:label id="lab_us-gaap_LeaseAndRentalExpense_6E5BE7B7B3D0ECEB2FF43A4E152D5A9F_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseAndRentalExpense_6E5BE7B7B3D0ECEB2FF43A4E152D5A9F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rent expense</link:label>
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    <link:label id="lab_rmbs_DebtInstrumentConversionObligationCommonStockClosingSalesPriceAsPercentageOfConversionPrice_73E29B5EABD33EC3BA044998465D95E2_terseLabel_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationCommonStockClosingSalesPriceAsPercentageOfConversionPrice_73E29B5EABD33EC3BA044998465D95E2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of the closing sales price of the entity's common stock that the conversion price must exceed in order for the notes to be convertible</link:label>
    <link:label id="lab_rmbs_DebtInstrumentConversionObligationCommonStockClosingSalesPriceAsPercentageOfConversionPrice_73E29B5EABD33EC3BA044998465D95E2_label_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationCommonStockClosingSalesPriceAsPercentageOfConversionPrice_73E29B5EABD33EC3BA044998465D95E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Conversion Obligation, Common Stock Closing Sales Price as Percentage of Conversion Price</link:label>
    <link:label id="lab_rmbs_DebtInstrumentConversionObligationCommonStockClosingSalesPriceAsPercentageOfConversionPrice_73E29B5EABD33EC3BA044998465D95E2_documentation_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationCommonStockClosingSalesPriceAsPercentageOfConversionPrice_73E29B5EABD33EC3BA044998465D95E2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the percentage of the closing sales price of the entity's common stock for at least 20 days within 30 consecutive trading days that the closing sales price of the entity's common stock must exceed the applicable conversion price in order for the debt instruments to be convertible.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_DebtInstrumentConversionObligationCommonStockClosingSalesPriceAsPercentageOfConversionPrice" xlink:label="loc_rmbs_DebtInstrumentConversionObligationCommonStockClosingSalesPriceAsPercentageOfConversionPrice_73E29B5EABD33EC3BA044998465D95E2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_DebtInstrumentConversionObligationCommonStockClosingSalesPriceAsPercentageOfConversionPrice_73E29B5EABD33EC3BA044998465D95E2" xlink:to="lab_rmbs_DebtInstrumentConversionObligationCommonStockClosingSalesPriceAsPercentageOfConversionPrice_73E29B5EABD33EC3BA044998465D95E2" xlink:type="arc" />
    <link:label id="lab_rmbs_DebtInstrumentConversionObligationNumberOfBusinessDaysAfterConsecutiveTradingDayPeriod_101A2829DD81E9BA3FD14998465DA4E5_terseLabel_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationNumberOfBusinessDaysAfterConsecutiveTradingDayPeriod_101A2829DD81E9BA3FD14998465DA4E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of business days immediately after any ten consecutive trading day period during the note measurement period</link:label>
    <link:label id="lab_rmbs_DebtInstrumentConversionObligationNumberOfBusinessDaysAfterConsecutiveTradingDayPeriod_101A2829DD81E9BA3FD14998465DA4E5_label_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationNumberOfBusinessDaysAfterConsecutiveTradingDayPeriod_101A2829DD81E9BA3FD14998465DA4E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Conversion Obligation, Number of Business Days after Consecutive Trading Day, Period</link:label>
    <link:label id="lab_rmbs_DebtInstrumentConversionObligationNumberOfBusinessDaysAfterConsecutiveTradingDayPeriod_101A2829DD81E9BA3FD14998465DA4E5_documentation_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationNumberOfBusinessDaysAfterConsecutiveTradingDayPeriod_101A2829DD81E9BA3FD14998465DA4E5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of business days immediately after any 10 consecutive trading day period during the debt instrument measurement period.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_DebtInstrumentConversionObligationNumberOfBusinessDaysAfterConsecutiveTradingDayPeriod" xlink:label="loc_rmbs_DebtInstrumentConversionObligationNumberOfBusinessDaysAfterConsecutiveTradingDayPeriod_101A2829DD81E9BA3FD14998465DA4E5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_DebtInstrumentConversionObligationNumberOfBusinessDaysAfterConsecutiveTradingDayPeriod_101A2829DD81E9BA3FD14998465DA4E5" xlink:to="lab_rmbs_DebtInstrumentConversionObligationNumberOfBusinessDaysAfterConsecutiveTradingDayPeriod_101A2829DD81E9BA3FD14998465DA4E5" xlink:type="arc" />
    <link:label id="lab_rmbs_DebtInstrumentConversionObligationPeriodOfConsecutiveTradingDays_79F1D506C5E20EBB8A4D4998465DA9DE_terseLabel_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationPeriodOfConsecutiveTradingDays_79F1D506C5E20EBB8A4D4998465DA9DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of consecutive trading days before the five business days during the debt instrument measurement period</link:label>
    <link:label id="lab_rmbs_DebtInstrumentConversionObligationPeriodOfConsecutiveTradingDays_79F1D506C5E20EBB8A4D4998465DA9DE_label_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationPeriodOfConsecutiveTradingDays_79F1D506C5E20EBB8A4D4998465DA9DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Conversion Obligation Period of Consecutive Trading Days</link:label>
    <link:label id="lab_rmbs_DebtInstrumentConversionObligationPeriodOfConsecutiveTradingDays_79F1D506C5E20EBB8A4D4998465DA9DE_documentation_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationPeriodOfConsecutiveTradingDays_79F1D506C5E20EBB8A4D4998465DA9DE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of consecutive trading days prior to the five business days during the debt instrument measurement period.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_DebtInstrumentConversionObligationPeriodOfConsecutiveTradingDays" xlink:label="loc_rmbs_DebtInstrumentConversionObligationPeriodOfConsecutiveTradingDays_79F1D506C5E20EBB8A4D4998465DA9DE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_DebtInstrumentConversionObligationPeriodOfConsecutiveTradingDays_79F1D506C5E20EBB8A4D4998465DA9DE" xlink:to="lab_rmbs_DebtInstrumentConversionObligationPeriodOfConsecutiveTradingDays_79F1D506C5E20EBB8A4D4998465DA9DE" xlink:type="arc" />
    <link:label id="lab_rmbs_DebtInstrumentConversionObligationPrincipalAmountDenominationForTradingPriceCalculation_8A4F710EE133BC8AE7144998465E3175_terseLabel_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationPrincipalAmountDenominationForTradingPriceCalculation_8A4F710EE133BC8AE7144998465E3175" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Denomination of the principal amount of notes used to calculate the percent of trading price during the debt instrument measurement period</link:label>
    <link:label id="lab_rmbs_DebtInstrumentConversionObligationPrincipalAmountDenominationForTradingPriceCalculation_8A4F710EE133BC8AE7144998465E3175_label_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationPrincipalAmountDenominationForTradingPriceCalculation_8A4F710EE133BC8AE7144998465E3175" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Conversion Obligation, Principal Amount, Denomination for Trading Price Calculation</link:label>
    <link:label id="lab_rmbs_DebtInstrumentConversionObligationPrincipalAmountDenominationForTradingPriceCalculation_8A4F710EE133BC8AE7144998465E3175_documentation_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationPrincipalAmountDenominationForTradingPriceCalculation_8A4F710EE133BC8AE7144998465E3175" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the denomination of the principal amount of debt used to calculate the percent of trading price during the debt instrument measurement period.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_DebtInstrumentConversionObligationPrincipalAmountDenominationForTradingPriceCalculation" xlink:label="loc_rmbs_DebtInstrumentConversionObligationPrincipalAmountDenominationForTradingPriceCalculation_8A4F710EE133BC8AE7144998465E3175" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_DebtInstrumentConversionObligationPrincipalAmountDenominationForTradingPriceCalculation_8A4F710EE133BC8AE7144998465E3175" xlink:to="lab_rmbs_DebtInstrumentConversionObligationPrincipalAmountDenominationForTradingPriceCalculation_8A4F710EE133BC8AE7144998465E3175" xlink:type="arc" />
    <link:label id="lab_rmbs_DebtInstrumentConversionPriceAsPercentageOfClosingStockPriceMaximum_E7C50FC034E9BA5561404998465E50F8_terseLabel_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionPriceAsPercentageOfClosingStockPriceMaximum_E7C50FC034E9BA5561404998465E50F8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum conversion price as a percentage of closing stock price</link:label>
    <link:label id="lab_rmbs_DebtInstrumentConversionPriceAsPercentageOfClosingStockPriceMaximum_E7C50FC034E9BA5561404998465E50F8_label_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionPriceAsPercentageOfClosingStockPriceMaximum_E7C50FC034E9BA5561404998465E50F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Conversion Price as Percentage of Closing Stock Price, Maximum</link:label>
    <link:label id="lab_rmbs_DebtInstrumentConversionPriceAsPercentageOfClosingStockPriceMaximum_E7C50FC034E9BA5561404998465E50F8_documentation_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionPriceAsPercentageOfClosingStockPriceMaximum_E7C50FC034E9BA5561404998465E50F8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the percentage of the trading price of each debt instrument to the conversion value of the debt instrument that the trading price must be less than in order for the debt instruments to be convertible.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_DebtInstrumentConversionPriceAsPercentageOfClosingStockPriceMaximum" xlink:label="loc_rmbs_DebtInstrumentConversionPriceAsPercentageOfClosingStockPriceMaximum_E7C50FC034E9BA5561404998465E50F8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_DebtInstrumentConversionPriceAsPercentageOfClosingStockPriceMaximum_E7C50FC034E9BA5561404998465E50F8" xlink:to="lab_rmbs_DebtInstrumentConversionPriceAsPercentageOfClosingStockPriceMaximum_E7C50FC034E9BA5561404998465E50F8" xlink:type="arc" />
    <link:label id="lab_rmbs_DebtInstrumentConversionObligationNumberOfTradingDaysConversionReferencePeriod_67DF3359C67ECF0ABB754998465E5EA9_terseLabel_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationNumberOfTradingDaysConversionReferencePeriod_67DF3359C67ECF0ABB754998465E5EA9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of trading days conversion reference period</link:label>
    <link:label id="lab_rmbs_DebtInstrumentConversionObligationNumberOfTradingDaysConversionReferencePeriod_67DF3359C67ECF0ABB754998465E5EA9_label_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationNumberOfTradingDaysConversionReferencePeriod_67DF3359C67ECF0ABB754998465E5EA9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Conversion Obligation, Number of Trading Days, Conversion Reference Period</link:label>
    <link:label id="lab_rmbs_DebtInstrumentConversionObligationNumberOfTradingDaysConversionReferencePeriod_67DF3359C67ECF0ABB754998465E5EA9_documentation_en-US" xlink:label="lab_rmbs_DebtInstrumentConversionObligationNumberOfTradingDaysConversionReferencePeriod_67DF3359C67ECF0ABB754998465E5EA9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of trading days conversion reference period specified in the Indenture.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_DebtInstrumentConversionObligationNumberOfTradingDaysConversionReferencePeriod" xlink:label="loc_rmbs_DebtInstrumentConversionObligationNumberOfTradingDaysConversionReferencePeriod_67DF3359C67ECF0ABB754998465E5EA9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_DebtInstrumentConversionObligationNumberOfTradingDaysConversionReferencePeriod_67DF3359C67ECF0ABB754998465E5EA9" xlink:to="lab_rmbs_DebtInstrumentConversionObligationNumberOfTradingDaysConversionReferencePeriod_67DF3359C67ECF0ABB754998465E5EA9" xlink:type="arc" />
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionNumberOfConsecutiveTradingDays_BA6C0EC669730C0FC4C34998465E7622_terseLabel_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionNumberOfConsecutiveTradingDays_BA6C0EC669730C0FC4C34998465E7622" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of consecutive trading days during which the closing price of the entity's common stock must exceed the conversion price for at least 20 days in order for the notes to be redeemable at the company's option</link:label>
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionNumberOfConsecutiveTradingDays_BA6C0EC669730C0FC4C34998465E7622_label_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionNumberOfConsecutiveTradingDays_BA6C0EC669730C0FC4C34998465E7622" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Debt Instrument Company Redemption Option, Number of Consecutive Trading Days</link:label>
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionNumberOfConsecutiveTradingDays_BA6C0EC669730C0FC4C34998465E7622_documentation_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionNumberOfConsecutiveTradingDays_BA6C0EC669730C0FC4C34998465E7622" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The consecutive number of trading days during which the closing price of the reporting entity's common stock must exceed the applicable conversion price in order for the debt instruments to be eligible for redemption at the reporting entity's option.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionNumberOfConsecutiveTradingDays" xlink:label="loc_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionNumberOfConsecutiveTradingDays_BA6C0EC669730C0FC4C34998465E7622" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionNumberOfConsecutiveTradingDays_BA6C0EC669730C0FC4C34998465E7622" xlink:to="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionNumberOfConsecutiveTradingDays_BA6C0EC669730C0FC4C34998465E7622" xlink:type="arc" />
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionPercentageOfFaceAmountRedeemable_3184E09A56C9818AB89F4998465E5687_terseLabel_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionPercentageOfFaceAmountRedeemable_3184E09A56C9818AB89F4998465E5687" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of face amount of debt instrument redeemable at the company's option</link:label>
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionPercentageOfFaceAmountRedeemable_3184E09A56C9818AB89F4998465E5687_label_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionPercentageOfFaceAmountRedeemable_3184E09A56C9818AB89F4998465E5687" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Debt Instrument Company Redemption Option, Percentage of Face Amount Redeemable</link:label>
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionPercentageOfFaceAmountRedeemable_3184E09A56C9818AB89F4998465E5687_documentation_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionPercentageOfFaceAmountRedeemable_3184E09A56C9818AB89F4998465E5687" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of the face amount of the debt instrument which may be redeemed by the entity for cash at the reporting entity's option if certain conditions are met.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionPercentageOfFaceAmountRedeemable" xlink:label="loc_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionPercentageOfFaceAmountRedeemable_3184E09A56C9818AB89F4998465E5687" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionPercentageOfFaceAmountRedeemable_3184E09A56C9818AB89F4998465E5687" xlink:to="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionPercentageOfFaceAmountRedeemable_3184E09A56C9818AB89F4998465E5687" xlink:type="arc" />
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceNumberOfTradingDaysMinimum_5F5FDE8749245E4849AA4998465E713E_terseLabel_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceNumberOfTradingDaysMinimum_5F5FDE8749245E4849AA4998465E713E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of trading days within 30 consecutive trading days in which the closing price of the entity's common stock must exceed the conversion price for the notes to be redeemable at the company's option, minimum</link:label>
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceNumberOfTradingDaysMinimum_5F5FDE8749245E4849AA4998465E713E_label_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceNumberOfTradingDaysMinimum_5F5FDE8749245E4849AA4998465E713E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Debt Instrument Company Redemption Option, Common Stock Closing Sales Price, Number of Trading Days, Minimum</link:label>
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceNumberOfTradingDaysMinimum_5F5FDE8749245E4849AA4998465E713E_documentation_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceNumberOfTradingDaysMinimum_5F5FDE8749245E4849AA4998465E713E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum number of trading days within a period of 30 consecutive trading days in which the closing price of the reporting entity's common stock must exceed the applicable conversion price in order for the debt instruments to be eligible for redemption at the reporting entity's option.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceNumberOfTradingDaysMinimum" xlink:label="loc_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceNumberOfTradingDaysMinimum_5F5FDE8749245E4849AA4998465E713E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceNumberOfTradingDaysMinimum_5F5FDE8749245E4849AA4998465E713E" xlink:to="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceNumberOfTradingDaysMinimum_5F5FDE8749245E4849AA4998465E713E" xlink:type="arc" />
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceAsPercentageOfConversionPrice_98BE7CD2CF7B11F0D2314998465EC2E9_terseLabel_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceAsPercentageOfConversionPrice_98BE7CD2CF7B11F0D2314998465EC2E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of the closing sales price of the entity's common stock that the conversion price must exceed in order for the notes to be redeemable at the company's option</link:label>
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceAsPercentageOfConversionPrice_98BE7CD2CF7B11F0D2314998465EC2E9_label_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceAsPercentageOfConversionPrice_98BE7CD2CF7B11F0D2314998465EC2E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Debt Instrument Company Redemption Option Common Stock Closing Sales Price as Percentage of Conversion Price</link:label>
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceAsPercentageOfConversionPrice_98BE7CD2CF7B11F0D2314998465EC2E9_documentation_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceAsPercentageOfConversionPrice_98BE7CD2CF7B11F0D2314998465EC2E9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the percentage of the closing sales price of the entity's common stock for at least 20 days within 30 consecutive trading days that the closing sales price of the entity's common stock must exceed the applicable conversion price in order for the debt instruments to be redeemable at the reporting entity's option.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceAsPercentageOfConversionPrice" xlink:label="loc_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceAsPercentageOfConversionPrice_98BE7CD2CF7B11F0D2314998465EC2E9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceAsPercentageOfConversionPrice_98BE7CD2CF7B11F0D2314998465EC2E9" xlink:to="lab_rmbs_ConvertibleDebtInstrumentCompanyRedemptionOptionCommonStockClosingSalesPriceAsPercentageOfConversionPrice_98BE7CD2CF7B11F0D2314998465EC2E9" xlink:type="arc" />
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentPercentageOfFaceAmountRedeemableIfFundamentalChange_04C20D11BDCDD917CE474998465EF530_terseLabel_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentPercentageOfFaceAmountRedeemableIfFundamentalChange_04C20D11BDCDD917CE474998465EF530" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of face amount which may be redeemed by the debt holder for cash upon occurrence of a fundamental change</link:label>
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentPercentageOfFaceAmountRedeemableIfFundamentalChange_04C20D11BDCDD917CE474998465EF530_label_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentPercentageOfFaceAmountRedeemableIfFundamentalChange_04C20D11BDCDD917CE474998465EF530" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Debt Instrument, Percentage of Face Amount Redeemable if Fundamental Change</link:label>
    <link:label id="lab_rmbs_ConvertibleDebtInstrumentPercentageOfFaceAmountRedeemableIfFundamentalChange_04C20D11BDCDD917CE474998465EF530_documentation_en-US" xlink:label="lab_rmbs_ConvertibleDebtInstrumentPercentageOfFaceAmountRedeemableIfFundamentalChange_04C20D11BDCDD917CE474998465EF530" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of the face amount of the debt instrument which may be redeemed by the debt holder for cash upon occurrence of a fundamental change.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_ConvertibleDebtInstrumentPercentageOfFaceAmountRedeemableIfFundamentalChange" xlink:label="loc_rmbs_ConvertibleDebtInstrumentPercentageOfFaceAmountRedeemableIfFundamentalChange_04C20D11BDCDD917CE474998465EF530" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_ConvertibleDebtInstrumentPercentageOfFaceAmountRedeemableIfFundamentalChange_04C20D11BDCDD917CE474998465EF530" xlink:to="lab_rmbs_ConvertibleDebtInstrumentPercentageOfFaceAmountRedeemableIfFundamentalChange_04C20D11BDCDD917CE474998465EF530" xlink:type="arc" />
    <link:label id="lab_rmbs_DebtInstrumentAdditionalConvertibleConversionRatioMaximum_002EA6640C265C25B3704998465E7F96_terseLabel_en-US" xlink:label="lab_rmbs_DebtInstrumentAdditionalConvertibleConversionRatioMaximum_002EA6640C265C25B3704998465E7F96" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum increase in conversion rate per $1000 principal amount upon occurrence of fundamental change</link:label>
    <link:label id="lab_rmbs_DebtInstrumentAdditionalConvertibleConversionRatioMaximum_002EA6640C265C25B3704998465E7F96_label_en-US" xlink:label="lab_rmbs_DebtInstrumentAdditionalConvertibleConversionRatioMaximum_002EA6640C265C25B3704998465E7F96" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Additional Convertible Conversion Ratio, Maximum</link:label>
    <link:label id="lab_rmbs_DebtInstrumentAdditionalConvertibleConversionRatioMaximum_002EA6640C265C25B3704998465E7F96_documentation_en-US" xlink:label="lab_rmbs_DebtInstrumentAdditionalConvertibleConversionRatioMaximum_002EA6640C265C25B3704998465E7F96" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the maximum additional conversion ratio up to which the entity can increase the conversion rate, in connection with certain fundamental changes as defined in the indenture.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_DebtInstrumentAdditionalConvertibleConversionRatioMaximum" xlink:label="loc_rmbs_DebtInstrumentAdditionalConvertibleConversionRatioMaximum_002EA6640C265C25B3704998465E7F96" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_DebtInstrumentAdditionalConvertibleConversionRatioMaximum_002EA6640C265C25B3704998465E7F96" xlink:to="lab_rmbs_DebtInstrumentAdditionalConvertibleConversionRatioMaximum_002EA6640C265C25B3704998465E7F96" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtDefaultLongtermDebtAbstract_0C0B850D47FA42F7A2C94998465EA07B_terseLabel_en-US" xlink:label="lab_us-gaap_DebtDefaultLongtermDebtAbstract_0C0B850D47FA42F7A2C94998465EA07B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Events of default</link:label>
    <link:label id="lab_us-gaap_DebtDefaultLongtermDebtAbstract_0C0B850D47FA42F7A2C94998465EA07B_label_en-US" xlink:label="lab_us-gaap_DebtDefaultLongtermDebtAbstract_0C0B850D47FA42F7A2C94998465EA07B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Debt Default [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtDefaultLongtermDebtAbstract" xlink:label="loc_us-gaap_DebtDefaultLongtermDebtAbstract_0C0B850D47FA42F7A2C94998465EA07B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDefaultLongtermDebtAbstract_0C0B850D47FA42F7A2C94998465EA07B" xlink:to="lab_us-gaap_DebtDefaultLongtermDebtAbstract_0C0B850D47FA42F7A2C94998465EA07B" xlink:type="arc" />
    <link:label id="lab_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPeriodicInterest_06AD7F48B25CAD645BB54998465E29FA_terseLabel_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPeriodicInterest_06AD7F48B25CAD645BB54998465E29FA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period of default in payment of interest (in days)</link:label>
    <link:label id="lab_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPeriodicInterest_06AD7F48B25CAD645BB54998465E29FA_label_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPeriodicInterest_06AD7F48B25CAD645BB54998465E29FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Default Period for Nonpayment of Periodic Interest</link:label>
    <link:label id="lab_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPeriodicInterest_06AD7F48B25CAD645BB54998465E29FA_documentation_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPeriodicInterest_06AD7F48B25CAD645BB54998465E29FA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent the period of default in payment of any interest.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPeriodicInterest" xlink:label="loc_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPeriodicInterest_06AD7F48B25CAD645BB54998465E29FA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPeriodicInterest_06AD7F48B25CAD645BB54998465E29FA" xlink:to="lab_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPeriodicInterest_06AD7F48B25CAD645BB54998465E29FA" xlink:type="arc" />
    <link:label id="lab_rmbs_DebtInstrumentDefaultPeriodToComplyWithOtherAgreements_615BBA7B2775958547924998465E8167_terseLabel_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPeriodToComplyWithOtherAgreements_615BBA7B2775958547924998465E8167" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period of default to comply with other agreements (in days)</link:label>
    <link:label id="lab_rmbs_DebtInstrumentDefaultPeriodToComplyWithOtherAgreements_615BBA7B2775958547924998465E8167_label_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPeriodToComplyWithOtherAgreements_615BBA7B2775958547924998465E8167" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Default Period to Comply with Other Agreements</link:label>
    <link:label id="lab_rmbs_DebtInstrumentDefaultPeriodToComplyWithOtherAgreements_615BBA7B2775958547924998465E8167_documentation_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPeriodToComplyWithOtherAgreements_615BBA7B2775958547924998465E8167" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent the number of days of default to comply with the other agreements, after the receipt of written notice.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_DebtInstrumentDefaultPeriodToComplyWithOtherAgreements" xlink:label="loc_rmbs_DebtInstrumentDefaultPeriodToComplyWithOtherAgreements_615BBA7B2775958547924998465E8167" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_DebtInstrumentDefaultPeriodToComplyWithOtherAgreements_615BBA7B2775958547924998465E8167" xlink:to="lab_rmbs_DebtInstrumentDefaultPeriodToComplyWithOtherAgreements_615BBA7B2775958547924998465E8167" xlink:type="arc" />
    <link:label id="lab_rmbs_DebtInstrumentDefaultWithOtherAgreementsPercentOfPrincipalOutstandingMinimum_8B94DBF94718DE2A72864998465E1765_terseLabel_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultWithOtherAgreementsPercentOfPrincipalOutstandingMinimum_8B94DBF94718DE2A72864998465E1765" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum percentage of aggregate outstanding principal required for default event with other agreements</link:label>
    <link:label id="lab_rmbs_DebtInstrumentDefaultWithOtherAgreementsPercentOfPrincipalOutstandingMinimum_8B94DBF94718DE2A72864998465E1765_label_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultWithOtherAgreementsPercentOfPrincipalOutstandingMinimum_8B94DBF94718DE2A72864998465E1765" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Default with Other Agreements, Percent of Principal Outstanding, Minimum</link:label>
    <link:label id="lab_rmbs_DebtInstrumentDefaultWithOtherAgreementsPercentOfPrincipalOutstandingMinimum_8B94DBF94718DE2A72864998465E1765_documentation_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultWithOtherAgreementsPercentOfPrincipalOutstandingMinimum_8B94DBF94718DE2A72864998465E1765" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum percentage of the aggregate outstanding principal that is required for a default event to occur with other agreements.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_DebtInstrumentDefaultWithOtherAgreementsPercentOfPrincipalOutstandingMinimum" xlink:label="loc_rmbs_DebtInstrumentDefaultWithOtherAgreementsPercentOfPrincipalOutstandingMinimum_8B94DBF94718DE2A72864998465E1765" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_DebtInstrumentDefaultWithOtherAgreementsPercentOfPrincipalOutstandingMinimum_8B94DBF94718DE2A72864998465E1765" xlink:to="lab_rmbs_DebtInstrumentDefaultWithOtherAgreementsPercentOfPrincipalOutstandingMinimum_8B94DBF94718DE2A72864998465E1765" xlink:type="arc" />
    <link:label id="lab_rmbs_DebtInstrumentDefaultPrincipalAmountNonpaymentMinimum_44CE8DD5B4F5EF382EAB4998465EAF0C_terseLabel_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPrincipalAmountNonpaymentMinimum_44CE8DD5B4F5EF382EAB4998465EAF0C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum principal amount of debt nonpayment required for debt default to occur</link:label>
    <link:label id="lab_rmbs_DebtInstrumentDefaultPrincipalAmountNonpaymentMinimum_44CE8DD5B4F5EF382EAB4998465EAF0C_label_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPrincipalAmountNonpaymentMinimum_44CE8DD5B4F5EF382EAB4998465EAF0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Default Principal Amount Nonpayment, Minimum</link:label>
    <link:label id="lab_rmbs_DebtInstrumentDefaultPrincipalAmountNonpaymentMinimum_44CE8DD5B4F5EF382EAB4998465EAF0C_documentation_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPrincipalAmountNonpaymentMinimum_44CE8DD5B4F5EF382EAB4998465EAF0C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum principal amount of debt nonpayment for a debt default event to occur.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_DebtInstrumentDefaultPrincipalAmountNonpaymentMinimum" xlink:label="loc_rmbs_DebtInstrumentDefaultPrincipalAmountNonpaymentMinimum_44CE8DD5B4F5EF382EAB4998465EAF0C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_DebtInstrumentDefaultPrincipalAmountNonpaymentMinimum_44CE8DD5B4F5EF382EAB4998465EAF0C" xlink:to="lab_rmbs_DebtInstrumentDefaultPrincipalAmountNonpaymentMinimum_44CE8DD5B4F5EF382EAB4998465EAF0C" xlink:type="arc" />
    <link:label id="lab_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPrincipalAmount_1DD037291C7B89592B464998465F0C64_terseLabel_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPrincipalAmount_1DD037291C7B89592B464998465F0C64" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period of nonpayment of principal amount required for debt default to occur (in days)</link:label>
    <link:label id="lab_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPrincipalAmount_1DD037291C7B89592B464998465F0C64_label_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPrincipalAmount_1DD037291C7B89592B464998465F0C64" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Default Period for Nonpayment of Principal Amount</link:label>
    <link:label id="lab_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPrincipalAmount_1DD037291C7B89592B464998465F0C64_documentation_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPrincipalAmount_1DD037291C7B89592B464998465F0C64" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of days of debt nonpayment for a debt default event to occur.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPrincipalAmount" xlink:label="loc_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPrincipalAmount_1DD037291C7B89592B464998465F0C64" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPrincipalAmount_1DD037291C7B89592B464998465F0C64" xlink:to="lab_rmbs_DebtInstrumentDefaultPeriodForNonpaymentOfPrincipalAmount_1DD037291C7B89592B464998465F0C64" xlink:type="arc" />
    <link:label id="lab_rmbs_DebtInstrumentDefaultForNonpaymentPercentOfPrincipalOutstandingMinimum_894FCC23C413240BDCD94998465FECD0_terseLabel_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultForNonpaymentPercentOfPrincipalOutstandingMinimum_894FCC23C413240BDCD94998465FECD0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum percentage of aggregate outstanding principal required for nonpayment of debt default to occur</link:label>
    <link:label id="lab_rmbs_DebtInstrumentDefaultForNonpaymentPercentOfPrincipalOutstandingMinimum_894FCC23C413240BDCD94998465FECD0_label_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultForNonpaymentPercentOfPrincipalOutstandingMinimum_894FCC23C413240BDCD94998465FECD0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Default for Nonpayment, Percent of Principal Outstanding, Minimum</link:label>
    <link:label id="lab_rmbs_DebtInstrumentDefaultForNonpaymentPercentOfPrincipalOutstandingMinimum_894FCC23C413240BDCD94998465FECD0_documentation_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultForNonpaymentPercentOfPrincipalOutstandingMinimum_894FCC23C413240BDCD94998465FECD0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum percentage of the aggregate outstanding principal that is required for a nonpayment of debt default event to occur.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_DebtInstrumentDefaultForNonpaymentPercentOfPrincipalOutstandingMinimum" xlink:label="loc_rmbs_DebtInstrumentDefaultForNonpaymentPercentOfPrincipalOutstandingMinimum_894FCC23C413240BDCD94998465FECD0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_DebtInstrumentDefaultForNonpaymentPercentOfPrincipalOutstandingMinimum_894FCC23C413240BDCD94998465FECD0" xlink:to="lab_rmbs_DebtInstrumentDefaultForNonpaymentPercentOfPrincipalOutstandingMinimum_894FCC23C413240BDCD94998465FECD0" xlink:type="arc" />
    <link:label id="lab_rmbs_DebtInstrumentDefaultPercentOfPrincipalOutstandingMinimumForImmediatePaymentDeclaration_A869A6F65DF901D620794998465FA36A_terseLabel_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPercentOfPrincipalOutstandingMinimumForImmediatePaymentDeclaration_A869A6F65DF901D620794998465FA36A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum percentage of aggregate outstanding principal required for immediate payment declaration to occur</link:label>
    <link:label id="lab_rmbs_DebtInstrumentDefaultPercentOfPrincipalOutstandingMinimumForImmediatePaymentDeclaration_A869A6F65DF901D620794998465FA36A_label_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPercentOfPrincipalOutstandingMinimumForImmediatePaymentDeclaration_A869A6F65DF901D620794998465FA36A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Default Percent of Principal Outstanding, Minimum for Immediate Payment, Declaration</link:label>
    <link:label id="lab_rmbs_DebtInstrumentDefaultPercentOfPrincipalOutstandingMinimumForImmediatePaymentDeclaration_A869A6F65DF901D620794998465FA36A_documentation_en-US" xlink:label="lab_rmbs_DebtInstrumentDefaultPercentOfPrincipalOutstandingMinimumForImmediatePaymentDeclaration_A869A6F65DF901D620794998465FA36A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum percentage of the aggregate outstanding principal that is required for a declaration of immediate payment to occur.</link:label>
    <link:loc xlink:href="rmbs-20161231.xsd#rmbs_DebtInstrumentDefaultPercentOfPrincipalOutstandingMinimumForImmediatePaymentDeclaration" xlink:label="loc_rmbs_DebtInstrumentDefaultPercentOfPrincipalOutstandingMinimumForImmediatePaymentDeclaration_A869A6F65DF901D620794998465FA36A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_rmbs_DebtInstrumentDefaultPercentOfPrincipalOutstandingMinimumForImmediatePaymentDeclaration_A869A6F65DF901D620794998465FA36A" xlink:to="lab_rmbs_DebtInstrumentDefaultPercentOfPrincipalOutstandingMinimumForImmediatePaymentDeclaration_A869A6F65DF901D620794998465FA36A" xlink:type="arc" />
    <link:label id="lab_us-gaap_LeaseholdImprovementsMember_47E312192AEC82272AC63ED8FF9CA1D5_terseLabel_en-US" xlink:label="lab_us-gaap_LeaseholdImprovementsMember_47E312192AEC82272AC63ED8FF9CA1D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leasehold improvements</link:label>
    <link:label id="lab_us-gaap_LeaseholdImprovementsMember_47E312192AEC82272AC63ED8FF9CA1D5_label_en-US" xlink:label="lab_us-gaap_LeaseholdImprovementsMember_47E312192AEC82272AC63ED8FF9CA1D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leasehold Improvements [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_47E312192AEC82272AC63ED8FF9CA1D5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseholdImprovementsMember_47E312192AEC82272AC63ED8FF9CA1D5" xlink:to="lab_us-gaap_LeaseholdImprovementsMember_47E312192AEC82272AC63ED8FF9CA1D5" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConstructionInProgressMember_0ACA67E221F0C50484403ED8FF9CC1E2_terseLabel_en-US" xlink:label="lab_us-gaap_ConstructionInProgressMember_0ACA67E221F0C50484403ED8FF9CC1E2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Construction in progress</link:label>
    <link:label id="lab_us-gaap_ConstructionInProgressMember_0ACA67E221F0C50484403ED8FF9CC1E2_label_en-US" xlink:label="lab_us-gaap_ConstructionInProgressMember_0ACA67E221F0C50484403ED8FF9CC1E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction in Progress [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="loc_us-gaap_ConstructionInProgressMember_0ACA67E221F0C50484403ED8FF9CC1E2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConstructionInProgressMember_0ACA67E221F0C50484403ED8FF9CC1E2" xlink:to="lab_us-gaap_ConstructionInProgressMember_0ACA67E221F0C50484403ED8FF9CC1E2" xlink:type="arc" />
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    <link:label id="lab_rmbs_LocationAxis_4CFC25B39BD53E6DDAE53ED8FF9C7891_label_en-US" xlink:label="lab_rmbs_LocationAxis_4CFC25B39BD53E6DDAE53ED8FF9C7891" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Location [Axis]</link:label>
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