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Written Descriptions United States Patent and Trademark Office CAFC

MoFo Life Sciences

A Tip for Improving Your “Improved” Jepson Claim: Include Written Description Support

MoFo Life Sciences on

The Federal Circuit issued a precedential opinion in In re: Xencor, Inc.concerning written support for Jepson claims. The decision affirms the decision of the Appeals Review Panel (ARP) of the USPTO, which held that the...more

McDermott Will & Emery

Take That Conception Out of the Oven – It’s CRISPR Even If the Cook Doesn’t Know

McDermott Will & Emery on

Addressing the distinction between conception and reduction to practice and the requirement for written description in the unpredictable arts, the US Court of Appeals for the Federal Circuit explained that proof of conception...more

Goodwin

The Court of Appeals for the Federal Circuit’s In Re Riggs Decision: 35 USC 102(e) Prior Art Requires Written Description Support...

Goodwin on

On March 24, 2025, the US Court of Appeals for the Federal Circuit (Federal Circuit) issued a decision titled In Re: Riggs (the Riggs decision) that vacated a decision of the Patent Trial and Appeal Board (PTAB) of the US...more

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