The US Court of Appeals for the Federal Circuit addressed the tension between the intrinsic and extrinsic record in claim construction, holding that the intrinsic record should be relied on first.
The US Court of Appeals for the Federal Circuit affirmed the Patent Trial & Appeal Board's (Board) interference decision finding that priority belonged to the junior party based on sufficiently corroborated.
The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board (Board) obviousness decision after finding that the patent owner failed to explain.
In Treehouse Avatar LLC v. Valve Corporation, No. 2022-1171 (Fed. Cir. Nov. 30, 2022), the Court of Appeals for the Federal Circuit ("the Federal Circuit") affirmed the decision from.
Two recent Federal Circuit decisions highlight that, whether construing claims at the district court or PTAB, the key to a proper claim construction is the patent's specification and that claim construction may determine a case outcome.