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RPX Corporation () is an American worldwide provider of patent risk management services, offering defensive buying, acquisition syndication, patent intelligence and advisory services. Since the company was founded in March, 2008,〔(Maureen O’Gara “Software Patents: Start-up Sells Troll Insurance”, itv.com, 28 Nov 2008 )〕 RPX claims to have introduced efficiency to the patent market by providing a rational alternative to litigation. Based in San Francisco, By acquiring patents that pose potential problems and providing information on litigation, RPX seeks to reduce patent assertions directed at its clients.〔(RPX Corporate Summary )〕 RPX provides a Defensive Patent Aggregation service to mitigate clients’ risk of litigation from non-practicing entities (NPEs) – also called patent trolls – which acquire patents for the sole purpose of licensing and asserting their patent rights.〔(Trolling for Patents to Fight Patent Trolls ), By Saul Hansell, The New York Times, May 25, 2009〕〔(Joff Wild, ''IAM Magazine'', "Why Sinking Markets Could Mean Real Opportunities for Patent Acquirers and Licensees", October 7, 2008 )〕 RPX identifies and purchases patent assets they identify as of high value, relevance and risk that could be used offensively against members of the company's client network. Depending on the situation, RPX may acquire assets from a third party or directly from an NPE. 〔(RPX Defensive Patent Aggregation Service Summary )〕 When necessary and possible, RPX will buy patent rights out of an active litigation. RPX promises to never assert or litigate the patents in its portfolio. ==Business== RPX's service is designed to mitigate members’ litigation risk and costs from NPEs by purchasing patents and patent rights before patents are asserted, or to resolve an ongoing litigation. RPX clients receive a license to all of the patents and associated rights aggregated in the RPX portfolio. Over time, RPX clients receive perpetual license to the patents held when they became members or purchased after they joined, as well as any patents sold during their membership. The service is structured on an annual membership. Annual membership fees may increase each year to account for the growing value of the RPX portfolio, but early-joining members lock in a lower rate. Companies that join the RPX client network later receive the same benefits, but must pay the then-current rates. RPX provides data services as part of its membership.〔(RPX's CEO Discusses Q3 2012 Results )〕 The RPX client portal provides data related to patents and patents available for sale, historical and current patent litigation and NPEs.〔(RPX's CEO Discusses Q3 2012 Results )〕 however the product is not publicly available (exclusive to RPX members)〔(RPX Client Portal )〕 and it has yet to be seen how the RPX portal compares to other services. In May 2014, to increase transparency, the company released (RPX Search ) - a search engine that provides free public access to most of its data - independent of RPX membership.〔(RPX Launches Free Search Engine for All Patent, Litigation, and Entity Information )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「RPX Corporation」の詳細全文を読む スポンサード リンク
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