Edgar Filing: ACACIA RESEARCH CORP

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 ^*

AKIN THOMAS B

2. Issuer Name and Ticker or Trading Symbol
ACACIA RESEARCH CORP [ACTG/CBMX]

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)

500 NEWPORT CENTER DRIVE, 7TH FLOOR

3. Date of Earliest Transaction (Month/Day/Year)
05/04/2007

(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)
1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Acacia Research - CombiMatrix Common Stock	05/04/2007		P		1,400,000	A	⁽²⁾	1,434,184	I	See footnote ⁽³⁾
Acacia Research - CombiMatrix Common Stock	05/04/2007		P		700,000	A	⁽¹⁾	701,228	D

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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

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Acacia Research - CombiMatrix Warrants (right to buy)

$ 0.55

05/04/2007

1,050,000

05/04/2007

05/04/2012

Acacia Research - CombiMatrix Common Stock

1,050,000

⁽¹⁾

1,050,000

Acacia Research - CombiMatrix Warrants (right to buy)

$ 0.55

05/04/2007

2,100,000

05/04/2007

05/04/2012

Acacia Research - CombiMatrix Common Stock

2,100,000

⁽²⁾

2,100,000

See Footnote ⁽³⁾

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
AKIN THOMAS B 500 NEWPORT CENTER DRIVE 7TH FLOOR NEWPORT BEACH, CA 92660	X

Signatures

Thomas B. Akin		05/08/2007
^**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 reported securites are included within 700,000 Acacia Research - CombiMatrix (CBMX) Units purchased by the reporting person for $0.738 per unit, for a total of $516,250. Each Unit consists of one share of CBMX common stock and 1.5 warrants to purchase 1,050,000 shares of CBMX common stock.
(2)	The reported securites are included within 1,400,000 Acacia Research - CombiMatrix (CBMX) Units purchased by the reporting person for $0.738 per unit, for a total of $1,032,500. Each Unit consists of one share of CBMX common stock and 1.5 warrants to purchase 2,100,000 shares of CBMX common stock.
(3)	Held by Talkot Fund, L.P. Mr. Akin serves as managing general partner of Talkot Fund, L.P. Mr. Akin disclaims beneficial ownership in the shares held by Talkot Fund, L.P. except to the extent of his pecuniary interest therein.

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