{"data":{"id":"us/37-cfr-1.323","jurisdiction":"us","citation":"37 CFR 1.323","heading":"Certificate of correction of applicant's mistake.","body":"The Office may issue a certificate of correction under the conditions specified in 35 U.S.C. 255 at the request of the patentee or the patentee's assignee, upon payment of the fee set forth in § 1.20(a). If the request relates to a patent involved in an interference or trial before the Patent Trial and Appeal Board, the request must comply with the requirements of this section and be accompanied by a motion under § 41.121(a)(2), § 41.121(a)(3) or § 42.20 of this title.","path":["Title 37—Patents, Trademarks, and Copyrights","CHAPTER I—UNITED STATES PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE","SUBCHAPTER A—GENERAL","PART 1—RULES OF PRACTICE IN PATENT CASES","Subpart B—National Processing Provisions"],"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":"c807c6fb6ffd78bc28a6d11d1c681cc4435a7f927082c1574b2f3cee8af1ee93","source_id":"us-cfr","stale":true,"prev":"us/37-cfr-1.322","next":"us/37-cfr-1.324"},"notice":"GroundRules: Original legal text. Not legal advice."}