NEWPORT BEACH, Calif.--(BUSINESS WIRE)--Acacia Research Corporation (Nasdaq:ACTG)(Nasdaq:CBMX) and CombiMatrix Corporation announced today that on June 8, 2007 the U.S. Securities and Exchange Commission declared the effectiveness of CombiMatrix’s S-1 registration statement. Following the redemption period required by Acacia’s Articles of Incorporation, on August 15, 2007, (“Redemption Date”) CombiMatrix Corporation will split off from Acacia Research Corporation through the redemption of all outstanding shares of Acacia Research-CombiMatrix common stock (Nasdaq:CBMX).
