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Innovation & intellectual property · 03/09/1998Updated: 10/17/2026 · 1 min read

PTO Publishes Final Guidelines for Examining Chemical Composition Patent Claims

Summary

The Patent and Trademark Office (PTO) has released final guidelines for Office personnel to review patent applications for compliance with 35 U.S.C. 103, focusing on claims related to chemical compositions and a single prior art reference.

Original source language: Federal Register — Patent and Trademark OfficeOpen original release →

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