Acacia Subsidiary Acquires Rights to Patented Technology for Wireless LAN

Business Wire, June 05, 2009

NEWPORT BEACH, Calif. -- Acacia Research Corporation (Nasdaq:ACTG) announced today that its subsidiary, Acacia Patent Acquisition LLC, has acquired the rights to patented technology for wireless LAN.

"We are pleased to see an ever-increasing number of wireless and other mobile technology patent owners choose us for monetizing their valuable patents. We welcome all such patent owners to contact us to learn how we can uniquely assist them,” commented CEO, Paul Ryan.

This patented technology generally relates to wireless local area networking (WLAN) and includes communications architectures for use in spread spectrum systems. This technology can be used in equipment such as laptops, wireless routers, access points, handsets and other consumer electronics devices with WLAN capability.

ABOUT ACACIA RESEARCH CORPORATION

Acacia Research’s subsidiaries develop, acquire, and license patented technologies. Acacia Research’s subsidiaries control over 100 patent portfolios, covering technologies used in a wide variety of industries.

Information about Acacia Research is available at www.acaciatechnologies.com and 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.