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Appellate Courts › United States Patent and Trademark Office › Patent Litigation

A&O Shearman

Non-Application Of Interference Estoppel By PTAB In An IPR Institution Decision Found To Be Unreviewable

A&O Shearman on

On July 22, 2025, the Court of Appeals for the Federal Circuit concluded that the Patent Trial and Appeal Board’s (the “PTAB”) decision not to apply interference estoppel and, therefore, to institute an inter partes review...more

Proskauer - The Patent Playbook

PTO Defends its Recent Policy Changes Regarding Discretionary Denials

Proskauer - The Patent Playbook on

In the past few months, the U.S. Patent and Trademark Office (“PTO”) Acting Director has made substantial changes to the process for, and factors considered in, exercising discretion to deny institution of an inter partes...more

McDermott Will & Schulte

Victory lap: Extraterritorial injunction permitted for breach of settlement agreement

McDermott Will & Schulte on

The US Court of Appeals for the Fourth Circuit upheld a permanent injunction, concluding that the district court properly determined that a party’s violation of a settlement agreement would lead to irreparable harm. Wudi...more

Knobbe Martens

Argument Forfeited When Raised for the First Time Fourteen Months After an Appeal

Knobbe Martens on

ODYSSEY LOGISTICS & TECHNOLOGY CORP. v. STEWART - Before Dyk, Reyna, and Stoll.  Appeal from the United States District Court for the Eastern District of Virginia. A patent applicant forfeited its Appointments Clause...more

McDermott Will & Schulte

An Odyssey of Timeliness: Appointments Clause Arguments Must Be Preserved

McDermott Will & Schulte on

Citing forfeiture, the US Court of Appeals for the Federal Circuit upheld the dismissal of a complaint against the US Patent & Trademark Office (PTO). The complaint sought director review of a 2018 Patent Trial & Appeal Board...more

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

2024 Federal Circuit IP Appeals: Summaries of Key 2024 Decisions

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

2024 brought exciting developments at the Federal Circuit. The court issued its first en banc decision in a patent case in five years in LKQ, which significantly altered the standard for proving obviousness of a design...more

Warner Norcross + Judd

Federal Circuit Affirms the Use of ‘Secret’ Prior Art

Warner Norcross + Judd on

In a recent precedential opinion, the United States Court of Appeals for the Federal Circuit affirmed that a patent application constitutes prior art as of its filing date, not its publication date. In Lynk Labs. Inc. v....more

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