Item 7.01 Regulation FD Disclosure.

On May 18, 2009, Acacia Research Corporation issued a press release announcing the verdict of a patent infringement trial brought by its subsidiary, Creative Internet Advertising Corporation, against Yahoo! Inc. A copy of that release is furnished as Exhibit 99.1 to this report.

The information in this Current Report on Form 8-K is being furnished and shall not be deemed "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing.