'Rock Band' Maker Gets 4 Patent Claims Axed At PTAB

By Matthew Bultman ( May 7, 2015, 7:19 PM EDT) -- The Patent Trial and Appeal Board on Wednesday invalidated four claims of a Princeton Digital Image Corp. patent that the creator of the "Rock Band" video game allegedly infringed, marking the first decision in multiple America Invents Act reviews of the patent. . . .

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