Law360, New York (October 15, 2014, 2:48 PM EDT) -- The Patent Trial and Appeal Board ruled Tuesday that a SurfCast Inc. graphical user interface patent is invalid, in a win for Microsoft Corp., whose Windows 8 and Windows Phone 7 operating systems are accused of infringing the patent. All 52 claims of SurfCast's patent, which covers a computer display that organizes content from a variety of sources into a grid of tiles that is constantly updated, are invalid as obvious or anticipated in view of a host of references, the board said in a final written decision in an inter partes review initiated by Microsoft under the America Invents Act....

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