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Patent Trial and Appeal Board › Jepson Claims

Parker Poe Adams & Bernstein LLP

Life Sciences Companies Have New Avenue to Challenge Patent Applications After Federal Court Ruling

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Drugmakers and other companies in the life sciences industry seeking to invalidate patents have another arrow in their quiver thanks to a recent federal court decision....more

Goodwin

The Court of Appeals for the Federal Circuit’s In Re Xencor Decision: Jepson Claims Require Written Description for Their...

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On March 13, 2025, the US Court of Appeals for the Federal Circuit (Federal Circuit) issued a decision titled In Re: Xencor, Inc. (the Xencor decision). The Xencor decision affirms the decision of the Appeals Review Panel...more

Goodwin

The Appeals Review Panel’s In Re Xencor Decision: The USPTO Provides Its Position on Written Description and Means-Plus-Function...

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On May 17, 2024, an Appeals Review Panel (ARP) of the United States Patent and Trademark Office (“USPTO”) released its decision in Ex parte Chamberlain (referred to in Federal Circuit proceedings as In re Xencor;...more

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