UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):          September 30, 2010

ACACIA RESEARCH CORPORATION

(Exact name of registrant as specified in its charter)

Delaware	000-26068	95-4405754
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

500 Newport Center Drive Newport Beach, California	92660
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code:       (949) 480-8300

                        Not applicable                         

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01 Other Events.

On September 30, 2010, Database Application Solutions LLC, a subsidiary of Acacia Research Corporation, entered into a Patent License and License Option Agreement with RPX Corporation.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	ACACIA RESEARCH CORPORATION
Date: October 1, 2010	By:	/s/ Paul R. Ryan
		Name: Paul R. Ryan
		Title: Chairman and Chief Executive Officer