Before Reyna, Chen, and Hughes. Appeal from the Patent Trial and Appeal Board (“PTAB”). Summary: A claimed method must be expressly described as a whole in order to satisfy the written description ...
The Federal Circuit’s recent decision in United Therapeutics Corp. v. Liquidia Techs., Inc., No. 2022-2217, 2023 WL 4695903 (Fed. Cir. July 24, 2023), provides an interesting discussion on the written ...
The Method as a Whole Was Not Expressly Described Compliance with the written description requirement of Section 112 is a question of fact, judged from the perspective of a skilled artisan as of the ...
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