Acacia Research Corporation, through its subsidiaries, invests in, develops, licenses, and enforces patented technologies in the United States. It assists patent owners with the prosecution and development of their patent portfolios; the protection of their patented inventions from unauthorized use; the generation of licensing revenue from users of their patented technologies; and enforcement against unauthorized users of their patented technologies through the filing of patent infringement litigation. The company owns or controls the rights to various patent portfolios, which include the United States patents and foreign counterparts covering technologies used in various industries. It has approximately 1,530 license agreements and 192 patent portfolio licensing and enforcement programs. Acacia Research Corporation was founded in 1992 and is headquartered in Newport Beach, California.