Yuhe Liu, PhD
Subscribe to Yuhe Liu, PhD's PostsRule 54(b) doesn’t permit slicing patent’s claims into separate final judgments
By Yuhe Liu, PhD on Oct 8, 2026
Posted In Patents
The US Court of Appeals for the Federal Circuit concluded that Federal Rule of Civil Procedure 54(b) does not permit entry of partial final judgment on some asserted claims of a patent while other asserted claims of the same patent remain unresolved. The Court explained that infringement of different claims of the same patent generally...
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Unplugged: Claim construction errors, presumption of harm short-circuit preliminary injunction
By Yuhe Liu, PhD on Aug 13, 2026
Posted In Patents
The US Court of Appeals for the Federal Circuit vacated a preliminary injunction, finding that the district court improperly imported a spatial limitation into the claim term “backplate” and erroneously treated the structural term “pin” as a means-plus-function limitation. The Court also reiterated that in preliminary injunction proceedings, a strong showing of validity and infringement...
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