Acacia Research Corporation (Nasdaq:ACTG) announced today that a subsidiary has acquired a patent portfolio for DDR SDRAM technology from a major technology company.

"Acacia is becoming the patent licensing partner of choice for large companies," commented Paul Ryan, Acacia Chairman and CEO. "As Acacia's licensing success grows, an increasing number of large companies are selecting us as their partner for the licensing of their patented technologies," concluded Mr. Ryan.

ABOUT ACACIA RESEARCH CORPORATION

Acacia Research's subsidiaries partner with inventors and patent owners, license the patents to corporate users, and share the revenue. Acacia Research's subsidiaries control over 170 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 ability to become the licensing partner for companies, and 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, the ability to successfully develop licensing programs and attract new business, rapid technological change in relevant markets, changes in demand for current and future intellectual property rights, legislative, regulatory and competitive developments addressing licensing and enforcement of patents and/or intellectual property in general, 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.

SOURCE: Acacia Research Corporation

Acacia Research Corporation Rob Stewart Investor Relations Tel: 949-480-8300 Fax: 949-480-8301 or Media Contact: Lippert/Heilshorn & Associates Adam Handelsman Managing Director 212-201-6622 ahandelsman@lhai.com