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Patent Litigation Enforcement United States Patent and Trademark Office

Mayer Brown

Reinvigorated Enforcement of Evidentiary Rules and the Permissible Uses of General Knowledge in Inter Partes Review

Mayer Brown on

On July 31, 2025, the Acting Director of the US Patent and Trademark Office (USPTO) issued a significant memorandum that alters the evidentiary landscape for inter partes review (IPR) proceedings before the Patent Trial and...more

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

2023 PTAB Year in Review: Analysis & Trends: Federal Circuit Cases Exploring a Year of Rules, Rulemaking, and Rule Enforcement at...

A trio of cases this past year illustrate a trend of increasing importance in the power of Patent-Office rulemaking and enforcement, and the influence it has on patent owners and challengers alike....more

Haug Partners LLP

A U.S. View on the UPC – Part 8: Challenging the Validity of a Patent

Haug Partners LLP on

On June 1, 2023, the new European Unified Patent Court (UPC) opened its doors, and enforcement of European patents in (currently) 17 contract member states is now possible with one action. This series of articles – directed...more

Foley & Lardner LLP

USPTO, NIST, and DOJ Antitrust Division Withdraw SEP Injunction Policy Statement

Foley & Lardner LLP on

On June 8, 2022, the U.S. Department of Justice, Antitrust Division (DOJ), the U.S. Patent and Trademark Office (USPTO), and the National Institute of Standards and Technology (NIST) withdrew — without replacing — a Trump-era...more

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