Marty Roberts

Linden Research, Inc. engages in the development and operation of virtual world platform Second Life. It also involves in registered money services business under the Tilia platform. The company was founded by Philip Rosedale in 1999 and is headquartered in San Francisco, CA.

RPX Corp. provides new patent acquisition services. The firm offers patent risk solutions, defensive buying, acquisition syndication, patent intelligence, and advisory services. It operates through the RPX: Patent Risk Management and Inventus: Legal Discovery Management. The RPX: Patent Risk Management segment is involved in the solutions that rationalize and lower the costs of patent licensing by reducing the unnecessary legal costs associated with infringement litigation brought by NPEs. The Inventus: Legal Discovery Management segment focuses on intelligent document analysis, hosting and managed review to its clients for litigation and investigations. Inventus serves industries across the board from Financial Services, Energy, Healthcare, Retail, Aerospace and Defense, and Technology. The company was founded by John A. Amster, Geoffrey T. Barker, and Eran Zur on July 15, 2008 and is headquartered in San Francisco, CA.