{"data":{"id":"us/37-cfr-42.400","jurisdiction":"us","citation":"37 CFR 42.400","heading":"Procedure; pendency.","body":"(a) A derivation proceeding is a trial subject to the procedures set forth in subpart A of this part.\n(b) The Board may for good cause authorize or direct the parties to address patentability issues that arise in the course of the derivation proceeding.","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":"ea8840fe7b1a0d2d0094cdd3d9c3d43766fc0a2dc712cb796d450c1da7b30a0f","source_id":"us-cfr","stale":true,"prev":"us/37-cfr-42.304","next":"us/37-cfr-42.401"},"notice":"GroundRules: Original legal text. Not legal advice."}