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USPTO Affirms TiVo Patent In Spat With EchoStar, Dish

By Erin Coe ( October 6, 2010, 7:35 PM EDT) -- The U.S. Patent and Trademark Office has upheld the validity of TiVo Inc.'s so-called time warp patent covering digital video recorder technology that is at the center of the company's infringement battle with EchoStar Corp. and affiliate Dish Network Corp., according to TiVo....

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