    <SEC-DOCUMENT>0000934549-19-000019-index.html : 20190315
    <SEC-HEADER>0000934549-19-000019.hdr.sgml : 20190315
    <ACCEPTANCE-DATETIME>20190315173043
    ACCESSION NUMBER:		0000934549-19-000019
    CONFORMED SUBMISSION TYPE:	8-A12B
    PUBLIC DOCUMENT COUNT:		56
    FILED AS OF DATE:		20190315
    DATE AS OF CHANGE:		20190315

    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:		8-A12B
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-37721
    		FILM NUMBER:		19686112

    	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>8-A12B
    <SEQUENCE>1
    <FILENAME>a8-a_rightsxplanx2019.htm
    <DESCRIPTION>8-A12B
    <TEXT>
    Document 1 - file: a8-a_rightsxplanx2019.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-1
    <SEQUENCE>2
    <FILENAME>a32certofdesigseriesbnol.htm
    <DESCRIPTION>EXHIBIT 3.2
    <TEXT>
    Document 2 - file: a32certofdesigseriesbnol.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-2
    <SEQUENCE>3
    <FILENAME>a41rightsplan.htm
    <DESCRIPTION>EXHIBIT 4.1
    <TEXT>
    Document 3 - file: a41rightsplan.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>a32certofdesigseriesbnol001.jpg
    <TEXT>
    Document 4 - file: a32certofdesigseriesbnol001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>a32certofdesigseriesbnol002.jpg
    <TEXT>
    Document 5 - file: a32certofdesigseriesbnol002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>a32certofdesigseriesbnol003.jpg
    <TEXT>
    Document 6 - file: a32certofdesigseriesbnol003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>a32certofdesigseriesbnol004.jpg
    <TEXT>
    Document 7 - file: a32certofdesigseriesbnol004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>a32certofdesigseriesbnol005.jpg
    <TEXT>
    Document 8 - file: a32certofdesigseriesbnol005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>a41rightsplan001.jpg
    <TEXT>
    Document 9 - file: a41rightsplan001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>a41rightsplan002.jpg
    <TEXT>
    Document 10 - file: a41rightsplan002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>a41rightsplan003.jpg
    <TEXT>
    Document 11 - file: a41rightsplan003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>a41rightsplan004.jpg
    <TEXT>
    Document 12 - file: a41rightsplan004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>a41rightsplan005.jpg
    <TEXT>
    Document 13 - file: a41rightsplan005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>a41rightsplan006.jpg
    <TEXT>
    Document 14 - file: a41rightsplan006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>a41rightsplan007.jpg
    <TEXT>
    Document 15 - file: a41rightsplan007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>a41rightsplan008.jpg
    <TEXT>
    Document 16 - file: a41rightsplan008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>a41rightsplan009.jpg
    <TEXT>
    Document 17 - file: a41rightsplan009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>a41rightsplan010.jpg
    <TEXT>
    Document 18 - file: a41rightsplan010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>a41rightsplan011.jpg
    <TEXT>
    Document 19 - file: a41rightsplan011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>a41rightsplan012.jpg
    <TEXT>
    Document 20 - file: a41rightsplan012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>a41rightsplan013.jpg
    <TEXT>
    Document 21 - file: a41rightsplan013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>a41rightsplan014.jpg
    <TEXT>
    Document 22 - file: a41rightsplan014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>a41rightsplan015.jpg
    <TEXT>
    Document 23 - file: a41rightsplan015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>a41rightsplan016.jpg
    <TEXT>
    Document 24 - file: a41rightsplan016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>a41rightsplan017.jpg
    <TEXT>
    Document 25 - file: a41rightsplan017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>a41rightsplan018.jpg
    <TEXT>
    Document 26 - file: a41rightsplan018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>a41rightsplan019.jpg
    <TEXT>
    Document 27 - file: a41rightsplan019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>a41rightsplan020.jpg
    <TEXT>
    Document 28 - file: a41rightsplan020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>a41rightsplan021.jpg
    <TEXT>
    Document 29 - file: a41rightsplan021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>a41rightsplan022.jpg
    <TEXT>
    Document 30 - file: a41rightsplan022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>a41rightsplan023.jpg
    <TEXT>
    Document 31 - file: a41rightsplan023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>a41rightsplan024.jpg
    <TEXT>
    Document 32 - file: a41rightsplan024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>a41rightsplan025.jpg
    <TEXT>
    Document 33 - file: a41rightsplan025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>a41rightsplan026.jpg
    <TEXT>
    Document 34 - file: a41rightsplan026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>a41rightsplan027.jpg
    <TEXT>
    Document 35 - file: a41rightsplan027.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>a41rightsplan028.jpg
    <TEXT>
    Document 36 - file: a41rightsplan028.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>a41rightsplan029.jpg
    <TEXT>
    Document 37 - file: a41rightsplan029.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>38
    <FILENAME>a41rightsplan030.jpg
    <TEXT>
    Document 38 - file: a41rightsplan030.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>39
    <FILENAME>a41rightsplan031.jpg
    <TEXT>
    Document 39 - file: a41rightsplan031.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>40
    <FILENAME>a41rightsplan032.jpg
    <TEXT>
    Document 40 - file: a41rightsplan032.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>41
    <FILENAME>a41rightsplan033.jpg
    <TEXT>
    Document 41 - file: a41rightsplan033.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>42
    <FILENAME>a41rightsplan034.jpg
    <TEXT>
    Document 42 - file: a41rightsplan034.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>43
    <FILENAME>a41rightsplan035.jpg
    <TEXT>
    Document 43 - file: a41rightsplan035.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>44
    <FILENAME>a41rightsplan036.jpg
    <TEXT>
    Document 44 - file: a41rightsplan036.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>45
    <FILENAME>a41rightsplan037.jpg
    <TEXT>
    Document 45 - file: a41rightsplan037.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>46
    <FILENAME>a41rightsplan038.jpg
    <TEXT>
    Document 46 - file: a41rightsplan038.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>47
    <FILENAME>a41rightsplan039.jpg
    <TEXT>
    Document 47 - file: a41rightsplan039.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>48
    <FILENAME>a41rightsplan040.jpg
    <TEXT>
    Document 48 - file: a41rightsplan040.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>49
    <FILENAME>a41rightsplan041.jpg
    <TEXT>
    Document 49 - file: a41rightsplan041.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>50
    <FILENAME>a41rightsplan042.jpg
    <TEXT>
    Document 50 - file: a41rightsplan042.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>51
    <FILENAME>a41rightsplan043.jpg
    <TEXT>
    Document 51 - file: a41rightsplan043.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>52
    <FILENAME>a41rightsplan044.jpg
    <TEXT>
    Document 52 - file: a41rightsplan044.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>53
    <FILENAME>a41rightsplan045.jpg
    <TEXT>
    Document 53 - file: a41rightsplan045.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>54
    <FILENAME>a41rightsplan046.jpg
    <TEXT>
    Document 54 - file: a41rightsplan046.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>55
    <FILENAME>a41rightsplan047.jpg
    <TEXT>
    Document 55 - file: a41rightsplan047.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>56
    <FILENAME>a41rightsplan048.jpg
    <TEXT>
    Document 56 - file: a41rightsplan048.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>