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Patents Patent Invalidity Judicial Authority

Patterson Belknap Webb & Tyler LLP

If at First You Don’t Succeed, Do Not Try Again: Judge Oetken Invokes Collateral Estoppel to Dismiss Plaintiff’s Infringement...

On July 9, 2025, Judge J. Paul Oetken (S.D.N.Y) found that collateral estoppel barred plaintiff Linfo IP, LLC from relitigating the validity of its asserted patent and dismissed Linfo’s infringement claims against Aero...more

Jones Day

Delegated Rehearing Panel Sends Lifeline to Mercedes-Benz

Jones Day on

A Delegated Rehearing Panel (“DRP”) recently modified the PTAB’s construction of the claim term “workload” and remanded, giving Mercedes-Benz USA, LLC (“Petitioner”) another opportunity to challenge a processor patent....more

ArentFox Schiff

Federal Circuit Narrows Scope of IPR Estoppel, Resolving District Court Split

ArentFox Schiff on

The Federal Circuit recently clarified in Ingenico Inc. v. IOENGINE, LLC that inter partes review (IPR) estoppel does not extend to physical systems described in prior art patents or printed publications....more

Jones Day

Trial Date Drives PTAB’s Denial of IPR Institution

Jones Day on

On April 16, 2025, the Patent Trial and Appeal Board (PTAB) denied institution of inter partes review (IPR) for several claims of U.S. Patent No. 7,187,307, owned by Universal Connectivity Technologies, Inc. HP Inc., Dell...more

McDermott Will & Emery

Designated Informative: PTO Director Declines IPR Institution Following District Court § 101 Invalidation

McDermott Will & Emery on

The US Patent & Trademark Office (PTO) designated a recent Director Review decision as informative, signaling its significance for future proceedings. The decision emphasizes that a final district court ruling invalidating a...more

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Qualcomm Inc. v. Apple Inc.

Qualcomm Inc. v. Apple Inc., Appeal Nos. 2023-1208, -1209 (Fed. Cir. Apr. 23, 2025) - For a second time in this case, the Federal Circuit considered the proper role of “Applicant Admitted Prior Art” in an inter partes...more

Akin Gump Strauss Hauer & Feld LLP

Federal Circuit: Statutory Disclaimer Results in No Case or Controversy

The Federal Circuit ruled that statutory disclaimer terminates the case or controversy between the parties in an infringement suit as to those claims, and immediately deprives the district court of the authority to take...more

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