The US Court of Appeals for the Federal Circuit affirmed a final written decision from the Patent Trial and Appeal Board (PTAB) finding patent claims directed to aircraft lavatories obvious based on prior art because a skilled artisan would have used common sense to incorporate a missing limitation into the prior art. B/E Aerospace, Inc. v. C&D Zodiac, Inc., Case Nos. 19-1935, -1936 (Fed. Cir. June 26, 2020) (Reyna, J.).

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