Acacia Research Corporation is a holding company. The Company, through its subsidiaries, engaged in patent investment, prosecution, licensing and enforcement activities. The Company's subsidiaries partner with inventors and patent owners for patented inventions. The Company's subsidiaries generate revenues from the granting of intellectual property rights for the use of patented technologies that its subsidiaries control or own. Its subsidiaries own or control the rights to multiple patent portfolios, which include the United States patents and certain foreign counterparts, covering technologies used in a variety of industries. The Company is engaged in licensing and enforcing patented technologies and has licensed over 1,430 license agreements, across 181 of its patent portfolio licensing and enforcement programs.