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Prior Art Biotechnology Claim Construction

Proskauer - The Patent Playbook

Federal Circuit Affirms Stem Cell Product-by-Process Claims: Lessons in Claim Construction and Inherency from Restem LLV v. Jadi...

The Federal Circuit issued a precedential opinion on March 4, 2025, that serves as valuable guidance for product-by-process claims, particularly in the context of inherency in claim construction. In Restem, LLC v. Jadi Cell,...more

Knobbe Martens

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

Knobbe Martens on

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

Sterne, Kessler, Goldstein & Fox P.L.L.C.

2021 PTAB Year in Review: Analysis & Trends

[co-author: Jamie Dohopolski] Love it or hate it, ignore the USPTO Patent Trial and Appeal Board (PTAB) at your peril. The introduction of the PTAB as part of the America Invents Act over ten years ago has forever changed...more

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