Ownership Submission
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

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 *
GRAZIADIO G LOUIS III
  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)
520 NEWPORT CENTER DR., 12TH FLOOR
3. Date of Earliest Transaction (Month/Day/Year)
02/15/2018
(Street)

NEWPORT BEACH, CA 92660
4. If Amendment, Date Original Filed(Month/Day/Year)
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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 02/15/2018   P   10,000 A $ 3.6058 (1) 588,151 D  
Common Stock 02/15/2018   P   10,000 A $ 3.6058 (1) 334,400 I Graziadio Family Trust u/d/t 11/13/75 (2)
Common Stock 02/15/2018   P   5,000 A $ 3.6058 (1) 21,000 I Marianna R. Graziadio (minor children) (3)
Common Stock 02/15/2018   P   5,000 A $ 3.6058 (1) 21,000 I George L. Graziadio IV (minor children) (4)
Common Stock               15,000 I George & Reva Graziadio Charitable Lead Annuity Trust (5)
Common Stock               25,000 I Gina-Carra Partnership (6)
Common Stock               20,000 I George and Reva Graziadio Foundation (7)
Common Stock               5,000 I Owned by spouse

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction 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
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
GRAZIADIO G LOUIS III
520 NEWPORT CENTER DR.
12TH FLOOR
NEWPORT BEACH, CA 92660
  X      

Signatures

 G. Louis Graziadio, III   02/20/2018
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.575 to $3.65, inclusive. Mr. Graziadio undertakes to provide to Acacia Research Corporation ("Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote (1) to this Form 4.
(2) These shares are owned by the Graziadio Family Trust u/d/t 11/13/75 ("GFT"), an irrevocable trust established by Mr. Graziadio for the benefit of his children. Mr. Graziadio is neither a trustee nor a beneficiary of GFT and disclaims beneficial ownership of the shares owned by GFT.
(3) These shares are owned by Mr. Graziadio's minor child, Marianna R. Graziadio.
(4) These shares are owned by Mr. Graziadio's minor child, George L. Graziadio, IV.
(5) These shares are owned by the George & Reva Graziadio Charitable Lead Annuity Trust (the "Annuity Trust"), as to which Mr. Graziadio is trustee and Mr. Graziadio's minor children are contingent beneficiaries. Mr. Graziadio disclaims beneficial ownership of the shares owned by the Annuity Trust.
(6) These shares are owned by the Gina-Carra Partnership ("Gina-Carra"), a limited partnership of which Mr. Graziadio is the trustee of each of the general partners, which are trusts for the benefit of Mr. Graziadio's children. Mr. Graziadio disclaims beneficial ownership of the shares owned by Gina-Carra.
(7) These shares are owned by the George and Reva Graziadio Foundation ("Foundation"), a charitable foundation established by Mr. Graziadio's parents, as to which Mr. Graziadio has no pecuniary interest. Mr. Graziadio is one of three directors of the Foundation and does not have the right to control disposition of these shares. Mr. Graziadio disclaims beneficial ownership of the shares owned by the Foundation.

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