<SEC-DOCUMENT>0000934549-18-000067-index.html : 20180604
<SEC-HEADER>0000934549-18-000067.hdr.sgml : 20180604
<ACCEPTANCE-DATETIME>20180604145357
ACCESSION NUMBER:		0000934549-18-000067
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		10
FILED AS OF DATE:		20180604
DATE AS OF CHANGE:		20180604
EFFECTIVENESS DATE:		20180604

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37721
		FILM NUMBER:		18877802

	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>DEFA14A
<SEQUENCE>1
<FILENAME>stockholder_letter4.htm
<DESCRIPTION>STOCKHOLDER_LETTER#4
<TEXT>
Document 1 - file: stockholder_letter4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1
<SEQUENCE>2
<FILENAME>finalactgfightletter4.htm
<DESCRIPTION>LETTER#4
<TEXT>
Document 2 - file: finalactgfightletter4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>finalactgfightletter4001.jpg
<TEXT>
Document 3 - file: finalactgfightletter4001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>finalactgfightletter4002.jpg
<TEXT>
Document 4 - file: finalactgfightletter4002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>finalactgfightletter4003.jpg
<TEXT>
Document 5 - file: finalactgfightletter4003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>finalactgfightletter4004.jpg
<TEXT>
Document 6 - file: finalactgfightletter4004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>finalactgfightletter4005.jpg
<TEXT>
Document 7 - file: finalactgfightletter4005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>finalactgfightletter4006.jpg
<TEXT>
Document 8 - file: finalactgfightletter4006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>finalactgfightletter4007.jpg
<TEXT>
Document 9 - file: finalactgfightletter4007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>finalactgfightletter4008.jpg
<TEXT>
Document 10 - file: finalactgfightletter4008.jpg

</DOCUMENT>
</SEC-DOCUMENT>