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Three controversial players in the demimonde of patents without operations on a list of 25 honorees

Among the 25 most influential people in IP singled out by Intell. Prop., Fall 2010 at 13, three of them loom large in the controversial domain of what some refer to as patent trolls. John Amster, the CEO of RPX Corporation; Nathan Myhrvold, CEO of Intellectual Ventures; and Paul Ryan, CEO of Acacia Research Corp., all thrive in the underworld of non-practicing entities that own significant portfolios of patents. How they sometimes deploy those holdings may lead to litigation, licensing, or at least anxious looks over the shoulder by patent owners (See my post of March 22, 2010: non-practicing entities with 6 references.).