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dismissal of the ('376) patent from the lawsuit, the Federal Circuit upheld the jury verdict on the validity of GPHI's U.S. Patent No. 6,650,327, and furthermore found that AMD had lost its right to challenge patent validity in future proceedings. On January 31, 2011, the District Court entered an order that permits AMD to pursue its invalidity affirmative defense at trial and does not permit SGI to accuse AMD's Radeon R700 series of graphics products of infringement in this case. On April 18, 2011, GPHI and AMD had entered into a confidential

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