FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Tobia Alfred Victor Jr. 2. Date of Event Requiring Statement (Month/Day/Year) 06/19/2018 3. Issuer Name and Ticker or Trading Symbol ACACIA RESEARCH CORP [ACTG] (Last) (First) (Middle) 520 NEWPORT CENTER DRIVE, 12TH FLOOR 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) NEWPORT BEACH, CA 92660 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 201,664 I By Sidus Investment Management, LLC (1) Common Stock 177,957 I By Sidus Invenstment Partners, L.P. (2) Common Stock 487,235 I By Sidus Douple Alpha Fund, L.P. (3) Common Stock 223,144 I By Sidus Double Alpha, Ltd. (4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Tobia Alfred Victor Jr. 520 NEWPORT CENTER DRIVE 12TH FLOOR NEWPORT BEACH, CA 92660	  X	Â	Â	Â

Signatures

Edward J. Treska as Attorney-in-Fact		07/03/2018
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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).
(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 virture 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 benenfical 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 virture 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 direclty by Sidus Double Alpha Fund, L.P. ("Sidus Double Alpha"). The Reporting Person, solely by virture 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 benenfical 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, Ltd. ("Sidus Double Alph Offshore"). The Reporting Person, solely by virture 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 benenfical ownership of such shares of common stock except to the extent of his pecuniary interest therein.

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