Acacia Research Corporation, through its operating subsidiaries, acquires, develops, licenses and enforces patented technologies. Its operating subsidiaries generate revenues and related cash flows from the granting of rights for the use of patented technologies. In June 2012, it acquired seven medtech patent portfolios. In June 2012, its subsidiary acquired patents for x-ray powder diffraction technology. In June 2012, the Company�s subsidiary acquired five patent portfolios with 156 the United States and International patents related to microprocessors, systems on chip, general circuit design, packaging and semiconductor manufacturing processes. In July 2012, the Company�s subsidiary acquired patents relating to computer aided design tools. In July 2012, the Company�s subsidiary acquired four patent portfolios with 48 the United States and International patents covering technologies relating to online collaboration, data networking, cellular communications and digital cameras.