The document provides an overview of the key players in the patent monetization landscape, including those that acquire patents for offensive and defensive strategies, those that generate their own patents and rights, and those that are litigation funds, technology development companies, securitization firms, regional development funds, private investment funds, and patent licensing companies. It notes some of the largest entities in terms of patent portfolios and includes a graph illustrating the different types of organizations in the market.

1. Patent Monetization Landscape – Key Players A MARKET OVERVIEW August 2011

2. Patent Monetization Landscape – Key Players Round Rock Intellectual Ventures Offensive Patent Strategy Defensive Patent Strategy Acquiring Patents/rights Using Self-Generated Patents/Rights Acacia PLC Rembrandt OIN Alset IP Altitude AST Coller Capital Mosaid Alpha Patent Funds Source: Coller Capital; Brody Berman, PatentFreedom Deutsche Bank Credit Suisse Paul Capital Turtle Bay Juridica InterDigital Rambus Tessera Acacia IP Fund Techquity RPX IP Gest GPC Paradox Capital Arca Ignite IP Papst Walker Digital MMI Intertrust IPcom Katz Lemmelson Mobile Pat. Trust WiLAN Notes: 1 – Does not include operating companies or life science holders. 2 – This graph is for illustration purposes and is not drawn to scale. Sisvel Via Patent Holdings (# of patents) Very Small (≈ 100) Very Large (10k +) Defensive Pool Private Co Public Co Patent Holder Litigation Fund Tech Develop Co Securitization Firm Regional Devel Fund Private Invest Fund Pat Licensing Co