When should a Certificate of Correction be used instead of reissue for inventorship correction?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-27 10 Rules 5 Related FAQs This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This is information only: it is not legal advice. A Certificate of Correction should be used to correct inventorship instead of reissue when: The only change being made in the patent is to correct the inventorship All parties are in agreement and the inventorship issue is not contested In these cases, the correction should be made under 35 U.S.C. 256 and 37 CFR 1.324 . The MPEP states: “correction of inventorship should be effected under the provisions of 35 U.S.C. 256 and 37 CFR 1.324 by filing a request for a certificate of correction if: (A) the only change being made in the patent is to correct the inventorship; and (B) all parties are in agreement and the inventorship issue is not contested.” For the specific procedure to obtain a certificate of correction for inventorship, refer to MPEP § 1481.02 . Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Requirements for Certificate of Correction of Applicant’s Mistake MPEP 1481 Required Patentee Can Request Certificate of Correction MPEP 1481 Permitted Criteria for Certificate of Correction Under 35 U.S.C. 255 MPEP 1481 Certificate of Correction Mistakes Must Be Minor MPEP 1481 Required Fee for Correcting Inventorship in a Patent MPEP 1481 Correction for Clerical Mistakes Allowed MPEP 1481 Required Correction for Applicant’s Mistake MPEP 1481 Mistakes Correctable via Reissue Application MPEP 1481 Permitted Correction Requires Reissue If Criteria Not Met MPEP 1481 Required Motion Required for PTAB Interference Requests MPEP 1481 Required Other Related FAQs 5 FAQs Collapse What happens if a new inventor is identified in a CPA without filing a proper request? Can an inventor&#8217;s oath or declaration be corrected or withdrawn after submission? What should I do if ...