Acacia Technologies to Present at AeA Classic Financial Conference; November 7-9, 2005, in San Diego, CA

AeA Classic Financial Conference 2005
NEWPORT BEACH, Calif.--(BUSINESS WIRE)--Oct. 31, 2005--Acacia Research Corporation (Nasdaq:ACTG)(Nasdaq:CBMX) announced today that its Acacia Technologies Group, a leader in technology licensing, will present at the AeA Classic Financial Conference on Tuesday, November 8th and Wednesday, November 9th, 2005 at the Manchester Grand Hyatt Hotel in San Diego, CA.

Acacia will make nine presentations over two days.

Presentation Dates and Times:

-- Tuesday, November 8th, 2005 - Hourly from 2:00 p.m. to 5:45 p.m. PT

-- Wednesday, November 9th, 2005 - Hourly from 8:00 a.m. to 12:45 p.m. PT

Over 800 investors are expected to participate in the AeA Classic Conference hosted by AeA, the nation's largest high-tech trade association.

ABOUT ACACIA RESEARCH CORPORATION

Acacia Research Corporation comprises two operating groups, Acacia Technologies group and CombiMatrix group.

The Acacia Technologies group develops, acquires, and licenses patented technologies. Acacia controls 33 patent portfolios, which include over 120 U.S. patents, and certain foreign counterparts, covering technologies used in a wide variety of industries including audio/video enhancement & synchronization, broadcast data retrieval, computer memory cache coherency, credit card fraud protection, database management, data encryption & product activation, digital media transmission (DMT(R)), digital video production, dynamic manufacturing modeling, enhanced Internet navigation, high resolution optics, image resolution enhancement, interactive data sharing, interactive television, hearing aid ECS, interstitial Internet advertising, laptop docking station connectivity, microprocessor enhancement, multi-dimensional bar codes, network data storage, resource scheduling, rotational video imaging and spreadsheet automation.

The CombiMatrix group is developing a platform technology to rapidly produce customizable arrays, which are semiconductor-based tools for use in identifying and determining the roles of genes, gene mutations and proteins. The CombiMatrix's group's technology has a wide range of potential applications in the areas of genomics, proteomics, biosensors, drug discovery, drug development, diagnostics, combinatorial chemistry, material sciences and nanotechnology.

Acacia Research-Acacia Technologies (Nasdaq:ACTG) and Acacia Research-CombiMatrix (Nasdaq:CBMX) are both classes of common stock issued by Acacia Research Corporation and are intended to reflect the performance of the respective operating groups and are not issued by the operating groups.

Information about the Acacia Technologies group and the CombiMatrix group is available at www.acaciaresearch.com.

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995

This news release contains forward-looking statements within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995. These statements are based upon our current expectations and speak only as of the date hereof. Our actual results may differ materially and adversely from those expressed in any forward-looking statements as a result of various factors and uncertainties, including the recent economic slowdown affecting technology companies, our ability to successfully develop products, rapid technological change in our markets, changes in demand for our future products, legislative, regulatory and competitive developments and general economic conditions. Our Annual Report on Form 10-K, recent and forthcoming Quarterly Reports on Form 10-Q, recent Current Reports on Forms 8-K and 8-K/A, and other SEC filings discuss some of the important risk factors that may affect our business, results of operations and financial condition. We undertake no obligation to revise or update publicly any forward-looking statements for any reason.

Contacts

Acacia Research Corporation
Rob Stewart (Investors), 949-480-8311
Fax: 949-480-8301
rs@acaciares.com

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