The Patent Trial and Appeal Board did not err in finding that certain claims of Slot Speaker Technologies, Inc.’s sound reproduction system patent were invalid as obvious in light of prior art, according to the U.S. Court of Appeal for the Federal Circuit. However, the Board erred in holding that a third claim was not obvious in light of that same prior art (Slot Speaker Technologies, Inc. v. Apple Inc., February 17, 2017, O’Malley, K.).

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