<SEC-DOCUMENT>0001683168-21-001004.txt : 20210319
<SEC-HEADER>0001683168-21-001004.hdr.sgml : 20210319
<ACCEPTANCE-DATETIME>20210319122433
ACCESSION NUMBER:		0001683168-21-001004
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210316
FILED AS OF DATE:		20210319
DATE AS OF CHANGE:		20210319

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Soncini Jason W.
		CENTRAL INDEX KEY:			0001849064

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37721
		FILM NUMBER:		21757157

	MAIL ADDRESS:	
		STREET 1:		767 THIRD AVENUE
		STREET 2:		SUITE 602
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACACIA RESEARCH CORP
		CENTRAL INDEX KEY:			0000934549
		STANDARD INDUSTRIAL CLASSIFICATION:	PATENT OWNERS & LESSORS [6794]
		IRS NUMBER:				954405754
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4 PARK PLAZA
		STREET 2:		SUITE 550
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614
		BUSINESS PHONE:		9494808300

	MAIL ADDRESS:	
		STREET 1:		4 PARK PLAZA
		STREET 2:		SUITE 550
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2021-03-16</periodOfReport>

    <dateOfOriginalSubmission>2021-03-18</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000934549</issuerCik>
        <issuerName>ACACIA RESEARCH CORP</issuerName>
        <issuerTradingSymbol>ACTG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001849064</rptOwnerCik>
            <rptOwnerName>Soncini Jason W.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>767 THIRD AVENUE, SUITE 602</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>General Counsel</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>ACTG Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-03-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>45000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                    <footnoteId id="F2"/>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>45000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This award of restricted stock units (&quot;RSUs&quot;) is made pursuant to the 2013 Acacia Research Corporation Stock Incentive Plan. Each RSU represents a contingent right to receive one share of common stock. One third of the RSUs will vest on an annual basis over a three-year period, provided, that in the event Mr. Soncini is terminated without Cause or resigns for Good Reason within the first twelve months of his employment with the Company, an additional number of RSUs shall immediately vest such that an aggregate of 20,000 RSUs shall be vested as of such termination date.</footnote>
        <footnote id="F2">Due to an administrative error the share amount listed in column 4 was marked as disposed of (&quot;D&quot;) and should have been marked as Acquired (&quot;A&quot;).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Jennifer Graff, Attorney in fact</signatureName>
        <signatureDate>2021-03-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
