JD Supra

Method of Treatment Claim’s Limiting Preamble Must Satisfy the Written Description Requirement

On March 13, 2025, the U.S. Court of Appeals for the Federal Circuit issued a decision in the case of In Re: Xencor, Inc. 1 In this Appeal from the Appeals Review Panel of the Patent Trial and Appeal ...
JD Supra

Where Method Claim Steps Are Connected by “And,” a Covered Method Must Perform Each Step

Before Moore, Schall, and Taranto. Appeal from the Patent Trial and Appeal Board. Summary: The Board erred by finding method-claim steps connected by “and” to be conditional and by never explaining ...