FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Tobia Alfred Victor Jr. 		2. Issuer Name and Ticker or Trading Symbol

ACACIA RESEARCH CORP [ ACTG ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director                      _____ 10% Owner
_____ Officer (give title below)      _____ Other (specify below)
(Last)          (First)          (Middle)

767 3RD AVENUE, 15TH FLOOR 		3. Date of Earliest Transaction (MM/DD/YYYY)

11/19/2018
(Street)

NEW YORK, NY 10017
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   11/19/2018     P    20000   A $3.0140   221664   I   By Sidus Investment Management, LLC   (1)
Common Stock   11/20/2018     P    7700   A $2.9709   229364   I   By Sidus Investment Management, LLC   (1)
Common Stock   11/21/2018     P    1499   A $3.0057   230863   I   By Sidus Investment Management, LLC   (1)
Common Stock   11/30/2018     P    3000   A $3.1287   233863   I   By Sidus Investment Management, LLC   (1)
Common Stock   12/3/2018     P    2500   A $3.0980   236363   I   By Sidus Investment Management, LLC   (1)
Common Stock                  177957   I   By Sidus Investment Partners, L.P.   (2)
Common Stock   11/20/2018     P    8500   A $2.9709   495735   I   By Sidus Double Alpha Fund, L.P.   (3)
Common Stock   11/21/2018     P    3000   A $3.0057   498735   I   By Sidus Double Alpha Fund, L.P.   (3)
Common Stock   11/30/2018     P    4300   A $3.1287   503035   I   By Sidus Double Alpha Fund, L.P.   (3)
Common Stock   12/3/2018     P    5300   A $3.0980   508335   I   By Sidus Double Alpha Fund, L.P.   (3)
Common Stock   11/20/2018     P    3800   A $2.9709   226944   I   By Sidus Double Alpha Fund, Ltd.   (4)
Common Stock   11/21/2018     P    847   A $3.0057   227791   I   By Sidus Double Alpha Fund, Ltd.   (4)
Common Stock   11/30/2018     P    2700   A $3.1287   230491   I   By Sidus Double Alpha Fund, Ltd.   (4)
Common Stock   12/3/2018     P    2200   A $3.0980   232691   I   By Sidus Double Alpha Fund, Ltd.   (4)

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Explanation of Responses:
(1)  Shares of common stock held in an account for which Sidus Investment Management, LLC ("Sidus Management") serves as a sub-advisor (the "Managed Account"). The Reporting Person, solely by virtue of his position as a managing member of Sidus Management, the sub-advisor to the Managed Account, may be deemed to beneficially own the shares of common stock directly held in the Managed Account for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"). The Reporting Person expressly disclaims beneficial ownership of such shares of common stock except to the extent of his pecuniary interest therein.
(2)  Shares of common stock owned directly by Sidus Investment Partners, L.P. ("Sidus Partners"). The Reporting Person, solely by virtue of his position as a managing member of Sidus Management, the investment manager of Sidus Partners, may be deemed to beneficially own the shares of common stock directly held by Sidus Partners for purposes of Section 16. The Reporting Person expressly disclaims beneficial ownership of such shares of common stock except to the extent of his pecuniary interest therein.
(3)  Shares of common stock owned directly by Sidus Double Alpha Fund, L.P. ("Sidus Double Alpha"). The Reporting Person, solely by virtue of his position as a managing member of Sidus Management, the investment manager of Sidus Double Alpha, may be deemed to beneficially own the shares of common stock directly held by Sidus Double Alpha for purposes of Section 16. The Reporting Person expressly disclaims beneficial ownership of such shares of common stock except to the extent of his pecuniary interest therein.
(4)  Shares of common stock owned directly by Sidus Double Alpha Fund, Ltd. ("Sidus Double Alpha Offshore"). The Reporting Person, solely by virtue of his position as a managing member of Sidus Management, the investment manager of Sidus Double Alpha Offshore, may be deemed to beneficially own the shares of common stock directly held by Sidus Double Alpha Offshore for purposes of Section 16. The Reporting Person expressly disclaims beneficial ownership of such shares of common stock except to the extent of his pecuniary interest therein.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Tobia Alfred Victor Jr.
767 3RD AVENUE
15TH FLOOR
NEW YORK, NY 10017 		X



Signatures
Alfred Victor Tobia Jr. 12/6/2018
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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