{"data":{"id":"us/37-cfr-42.404","jurisdiction":"us","citation":"37 CFR 42.404","heading":"Derivation fee.","body":"(a) A derivation fee set forth in § 42.15(c) must accompany the petition.\n(b) No filing date will be accorded to the petition until payment is complete.","path":["Title 37—Patents, Trademarks, and Copyrights","CHAPTER I—UNITED STATES PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE","SUBCHAPTER A—GENERAL","PART 42—TRIAL PRACTICE BEFORE THE PATENT TRIAL AND APPEAL BOARD","Subpart E—Derivation"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-37.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:45Z","sha256":"764a3a784d3482e339f0e6dd4b16b8762ee1c7be60af059998f54e819b16c6b4","source_id":"us-cfr","stale":true,"prev":"us/37-cfr-42.403","next":"us/37-cfr-42.405"},"notice":"GroundRules: Original legal text. Not legal advice."}