MPEP 1400 – Correction of Patents

This page consolidates and annotates enforceable requirements under MPEP 1400 — Correction of Patents, including statutory authority, regulatory rules, examiner guidance, and practice notes. It is provided as guidance, with links to the ground truth sources. This is information only, it is not legal advice.

Metric	Value	Share of total
Rules extracted	2,014	5.3%
Citations to Authorities	MPEP2,578 USC945 CFR2,238 PCT14	4.7%
Avg citations per rule	2.87
Topics covered	236 primary + 327 secondary	23.1%

Pages in this chapter

Page
MPEP § 1400.01 — Introduction7 rules
MPEP § 1401 — Reissue21 rules
MPEP § 1402 — Grounds for Filing49 rules
MPEP § 1403 — Diligence in Filing12 rules
MPEP § 1404 — Submission of Papers Where Reissue Patent Is in Litigation6 rules
MPEP § 1405 — Reissue and Patent Term16 rules
MPEP § 1406 — Citation and Consideration of References Cited in Original Patent8 rules
MPEP § 1410 — Content of Reissue Application39 rules
MPEP § 1410.01 — Reissue Applicant and Inventor's Oath or Declaration26 rules
MPEP § 1410.02 — Assignee Consent to the Reissue59 rules
MPEP § 1411 — Form of Specification23 rules
MPEP § 1411.01 — Certificate of Correction or Disclaimer in Original Patent7 rules
MPEP § 1411.02 — New Matter10 rules
MPEP § 1412 — Content of Claims1 rules
MPEP § 1412.01 — Reissue Claims Must Be for Same General Invention67 rules
MPEP § 1412.02 — Recapture of Canceled Subject Matter144 rules
MPEP § 1412.03 — Broadening Reissue Claims50 rules
MPEP § 1412.04 — Correction of Inventorship By Reissue28 rules
MPEP § 1412.05 — Correction of Inventorship in a Broadening Reissue Application16 rules
MPEP § 1413 — Drawings13 rules
MPEP § 1414 — Content of Reissue Oath/Declaration59 rules
MPEP § 1414.01 — Reissue Oath or Declaration in Reissue Application Filed On or After September 16, 201220 rules
MPEP § 1414.02 — Reissue Oath or Declaration in Reissue Application Filed Before September 16, 201220 rules
MPEP § 1414.03 — Supplemental Reissue Oath/Declaration26 rules
MPEP § 1415 — Reissue Application and Issue Fees25 rules
MPEP § 1415.01 — Maintenance Fees on the Original Patent40 rules
MPEP § 1416 — No Physical Surrender of Original Patent8 rules
MPEP § 1417 — Claim for Priority Under 35 U.S.C. 119(a)-(d)10 rules
MPEP § 1418 — Notification of Prior/Concurrent Proceedings and Decisions Thereon, and of Information Known To Be Material to Patentability14 rules
MPEP § 1430 — Reissue Files Open to the Public and, Notice of Filing Reissue Announced in, Official Gazette13 rules
MPEP § 1440 — Examination of Reissue Application23 rules
MPEP § 1441 — Two-Month Delay Period9 rules
MPEP § 1441.01 — Protest and Pre-issuance Submission in Reissue Applications30 rules
MPEP § 1442 — Special Status2 rules
MPEP § 1442.01 — Litigation-Related or PTAB Trial-Related Reissues12 rules
MPEP § 1442.02 — Concurrent Litigation or Trial Before the Patent Trial and Appeal Board3 rules
MPEP § 1442.03 — Litigation Stayed7 rules
MPEP § 1442.04 — Litigation Involving Patent23 rules
MPEP § 1442.05 — Court Ordered Filing of Reissue Application4 rules
MPEP § 1443 — Initial Examiner Review23 rules
MPEP § 1444 — Review of Reissue Oath/Declaration56 rules
MPEP § 1445 — Reissue Application Examined in Same Manner as Original Application4 rules
MPEP § 1448 — Fraud, Inequitable Conduct, or Duty of Disclosure Issues16 rules
MPEP § 1449 — Protest Filed in Reissue Where Patent Is in Interference or Contested Case5 rules
MPEP § 1449.01 — Concurrent Office Proceedings40 rules
MPEP § 1449.02 — Interference in Reissue23 rules
MPEP § 1449.03 — Reissue Application in Derivation Proceeding3 rules
MPEP § 1450 — Restriction and Election of Species Made in Reissue Application48 rules
MPEP § 1451 — Divisional Reissue Applications; Continuation Reissue Applications Where the Parent is Pending129 rules
MPEP § 1452 — Request for Continued Examination of Reissue Application4 rules
MPEP § 1453 — Amendments to Reissue Applications81 rules
MPEP § 1454 — Appeal Brief4 rules
MPEP § 1455 — Allowance and Issue37 rules
MPEP § 1456 — Reissue Review7 rules
MPEP § 1457 — Design Reissue Applications and Patents42 rules
MPEP § 1460 — Effect of Reissue16 rules
MPEP § 1470 — Public Access to Reissue Applications7 rules
MPEP § 1480 — Certificates of Correction — Office Mistake30 rules
MPEP § 1480.01 — Expedited Issuance of Certificates of Correction – Error Attributable to Office10 rules
MPEP § 1481 — Certificates of Correction – Applicant’s Mistake26 rules
MPEP § 1481.01 — Correction of Assignees’ Names11 rules
MPEP § 1481.02 — Correction of Named Inventor77 rules
MPEP § 1481.03 — Correction of 35 U.S.C. 119 and 35 U.S.C. 120 Benefits72 rules
MPEP § 1485 — Handling of Request for Certificates of Correction36 rules
MPEP § 1490 — Disclaimers257 rules