<SEC-DOCUMENT>0000934549-18-000032-index.html : 20180430
<SEC-HEADER>0000934549-18-000032.hdr.sgml : 20180430
<ACCEPTANCE-DATETIME>20180430170734
ACCESSION NUMBER:		0000934549-18-000032
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180430
DATE AS OF CHANGE:		20180430

FILER:

	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:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37721
		FILM NUMBER:		18791061

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K/A
<SEQUENCE>1
<FILENAME>a10ka4-30x18.htm
<DESCRIPTION>10-K/A
<TEXT>
Document 1 - file: a10ka4-30x18.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.3
<SEQUENCE>2
<FILENAME>ex233.htm
<DESCRIPTION>EXHIBIT 23.3
<TEXT>
Document 2 - file: ex233.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.5
<SEQUENCE>3
<FILENAME>ex315.htm
<DESCRIPTION>EXHIBIT 31.5
<TEXT>
Document 3 - file: ex315.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.6
<SEQUENCE>4
<FILENAME>ex316.htm
<DESCRIPTION>EXHIBIT 31.6
<TEXT>
Document 4 - file: ex316.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>acaciaresearchcorp05.jpg
<TEXT>
Document 5 - file: acaciaresearchcorp05.jpg

</DOCUMENT>
</SEC-DOCUMENT>