Acacia Research Corporation, through its subsidiaries, acquires, develops, licenses, and enforces patented technologies in the United States. It assists patent owners with the prosecution and development of their patent portfolios; protection of their patented inventions from unauthorized use; generation of licensing revenue from users of their patented technologies; and enforcement against unauthorized users of their patented technologies. The company owns or controls the rights to approximately 250 patent portfolios, which include the United State's patents and foreign counterparts covering technologies used in various industries. Acacia Research Corporation was founded in 1992 and is based in Newport Beach, California.