GroundRules
37 CFR 1.491: National stage commencement, entry, and fulfillment.
Where this section sits in the code
- 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 C—International Processing Provisions
(a) Subject to 35 U.S.C. 371(f), the national stage shall commence with the expiration of the applicable time limit under PCT Article 22 (1) or (2), or under PCT Article 39(1)(a).
(b) An international application enters the national stage when the applicant has filed the documents and fees required by 35 U.S.C. 371(c)(1) and (c)(2) within the period set in § 1.495.
(c) An international application fulfills the requirements of 35 U.S.C. 371 when the national stage has commenced under 35 U.S.C. 371(b) or (f) and all applicable requirements of 35 U.S.C. 371 have been satisfied.
Collected 2026-08-27T02:25:45Z. Source file · JSON