    <SEC-DOCUMENT>0000921895-18-001845-index.html : 20180530
    <SEC-HEADER>0000921895-18-001845.hdr.sgml : 20180530
    <ACCEPTANCE-DATETIME>20180530124306
    ACCESSION NUMBER:		0000921895-18-001845
    CONFORMED SUBMISSION TYPE:	DFAN14A
    PUBLIC DOCUMENT COUNT:		2
    FILED AS OF DATE:		20180530
    DATE AS OF CHANGE:		20180530
    EFFECTIVENESS DATE:		20180530

    SUBJECT COMPANY:

    	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

    	FILING VALUES:
    		FORM TYPE:		DFAN14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-37721
    		FILM NUMBER:		18867325

    	BUSINESS ADDRESS:
    		STREET 1:		520 NEWPORT CENTER DRIVE
    		STREET 2:		12TH FLOOR
    		CITY:			NEWPORT BEACH
    		STATE:			CA
    		ZIP:			92660
    		BUSINESS PHONE:		9494808300

    	MAIL ADDRESS:
    		STREET 1:		520 NEWPORT CENTER DRIVE
    		STREET 2:		12TH FLOOR
    		CITY:			NEWPORT BEACH
    		STATE:			CA
    		ZIP:			92660

    FILED BY:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Radoff Bradley Louis
    		CENTRAL INDEX KEY:			0001380585

    	FILING VALUES:
    		FORM TYPE:		DFAN14A

    	MAIL ADDRESS:
    		STREET 1:		1177 WEST LOOP SOUTH
    		STREET 2:		SUITE 1625
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77027
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DFAN14A
    <SEQUENCE>1
    <FILENAME>dfan14a11407003_05302018.htm
    <TEXT>
    Document 1 - file: dfan14a11407003_05302018.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>DFAN14A
    <SEQUENCE>2
    <FILENAME>ex1dfan14a11407003_05302018.pdf
    <DESCRIPTION>EX 1 - REBUTTAL PRESENTATION
    <TEXT>
    Document 2 - file: ex1dfan14a11407003_05302018.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>