Innovation & intellectual property · 03/03/1997Updated: 10/17/2026 · 1 min read
USPTO Issues Interim Guidelines for Examining Chemical Composition Claims Based on a Single Prior Art Reference
Summary
The United States Patent and Trademark Office (USPTO) has released interim guidelines for examining patent claims related to chemical compositions that rely on a single prior art reference, aiming to improve patent examination efficiency and consistency.
Original source language: Federal Register — Patent and Trademark OfficeOpen original release →