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New Guidance Patent Litigation Corporate Counsel

McCarter & English, LLP

New Patent Office Guidance Raises Bar for IPR Petitioners

The Patent Office recently announced that it will begin enforcing a rule that requires that inter partes review (IPR) petitions “specify where each element of the claim is found in the prior art patents or printed...more

Proskauer - The Patent Playbook

Further Shifts in Patent Office Guidance for Discretionary Denials Signal Uphill Battles for Patent Challengers

On the heels of the rescission of the Fintiv guidance memorandum, the U.S. Patent and Trademark Office has again reshaped the PTAB’s approach to discretionary denials. On March 26, 2025, the Acting Director issued a new...more

Morrison & Foerster LLP

Pivot At The PTAB: The Acting Director Bifurcates Review

With two memoranda this week, the United States Patent and Trademark Office (“USPTO”) has made significant changes to trials at the Patent Trial and Appeal Board (“PTAB”). Those trials—introduced in 2012 by the Leahy-Smith...more

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