37 CFR 1.314 : Patents, Trademarks, And Copyrights (§ 1.1 To Chapter V) — (§ 1.1 To Chapter V) — United States Patent And Trademark Office, Department Of Commerce (§ 1.1 To Parts 151-199) — General (§ 1.1 To §§ 5.31-5.33) — Rules Of Practice In Patent Cases (§ 1.1 To § 1.1071) — National Processing Provisions (§ 1.31 To § 1.378) — Allowance And Issue Of Patent (§ 1.311 To §§ 1.317-1.318) — Issuance of patent.

If applicant timely pays the issue fee, the Office will issue the patent in regular course unless the application is withdrawn from issue (§ 1.313) or the Office defers issuance of the patent. To request that the Office defer issuance of a patent, applicant must file a petition under this section including the fee set forth in § 1.17(h) and a showing of good and sufficient reasons why it is necessary to defer issuance of the patent.