Article
USPTO Tightens “Unintentional Delay” Petitions — 1-Year Time Period Now Triggers Heightened Scrutiny
For publication in the Federal Register of June 24, 2026, having an effective of August 13, 2026, the USPTO is issuing a final rule to significantly tighten its review of petitions based on “unintentional delay.”
Finnegan, Henderson, Farabow, Garrett & Dunner, LLP