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Litigation Update | July 2025

JANSSEN PHARMACEUTICALS, INC. v. TEVA PHARMACEUTICALS USA, INC. - Before Prost, Reyna, and Taranto. Appeal from the United States District Court for the District of New Jersey. The Federal Circuit found that claims reciting a...more

Combination Dosing Regimen Not Obvious Despite Overlapping Prior-Art Ranges

JANSSEN PHARMACEUTICALS, INC. v. TEVA PHARMACEUTICALS USA, INC. Before Prost, Reyna, and Taranto. Appeal from the United States District Court for the District of New Jersey. The Federal Circuit found that claims reciting a...more

Jepson Claim Preamble Requires Written Description Support for Conventional Aspects of the Invention

IN RE: XENCOR, INC. Before Hughes, Stark, and Schroeder (sitting by designation).  Appeal from the U.S. Patent and Trademark Office, Patent Trial and Appeal Board. To provide adequate written description for a Jepson claim,...more

An ANDA Specification that Directly Addresses Issues of Infringement Controls the Infringement Inquiry

Summary: An ANDA was held not to infringe asserted claims because the ANDA specifies pH ranges that fall outside of those recited in the asserted claims....more

Standing to Appeal an Adverse IPR Decision Requires an Injury

ARGENTUM PHARM. LLC v. NOVARTIS PHARM. CORP. Before Lourie, Moore, and Reyna. Appeal from the U.S. Patent and Trademark Office, Patent Trial and Appeal Board. Summary: A party lacks standing to appeal an adverse IPR...more

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