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Samsung expert: Apple's bounce-back patent is invalid, Patent Office never saw prior art

Samsung made its most compelling argument yet on why Apple's '381 bounce-back patent shouldn't be consider valid, with an expert witness providing a lengthy look at the Tablecloth application we saw this week. Dr. Andries van Dam, a faculty member at Brown University since 1965, walked the jury through the elements specified in the '381 patent, each of which appeared to be met by the application — and in his opinion, rendering the patent invalid due to prior art.