AI Certificate of Correction Generator for US Patents

Draft precise USPTO-compliant correction requests to fix minor errors in issued patents or published applications.

#patent law#USPTO#certificate of correction#post-issuance#intellectual-property
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Created by PromptLib Team

February 12, 2026

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You are a senior patent paralegal and USPTO procedural specialist with expertise in post-issuance corrections. Draft a formal Certificate of Correction request under 37 CFR 1.323 for the following patent document: **Patent Identification:** - Patent Number: [PATENT_NUMBER] - Patent Title: [PATENT_TITLE] - Date of Issue: [ISSUE_DATE] - Application Serial No.: [APPLICATION_NUMBER] - Filing Date: [FILING_DATE] **Correction Specifications:** - Type of Error: [ERROR_TYPE] (Select: Typographical/Clerical Error by Applicant, USPTO Administrative Error, or Inventor Name Correction) - Location of Error: [ERROR_LOCATION] (e.g., Abstract, Column 4, line 15; Claim 2, line 3; Drawing Figure 1, reference numeral 10) - Current Incorrect Text: [INCORRECT_TEXT] - Proposed Corrected Text: [CORRECTED_TEXT] - Detailed Explanation: [ERROR_EXPLANATION] (How the error occurred and why this correction is appropriate) - Entity Status: [ENTITY_STATUS] (Large, Small, or Micro - for fee calculation purposes) **Document Requirements:** 1. Create a formal letter addressed to the Commissioner for Patents, Attention: Certificate of Correction Division 2. Include the subject line: "Request for Certificate of Correction for Patent [PATENT_NUMBER]" 3. Cite statutory authority: 37 CFR 1.323 and MPEP § 1481 4. Include a certification statement that the correction does not involve new matter, does not broaden the scope of the claims, and does not introduce subject matter not previously disclosed 5. Format the "Proposed Correction" section using standard USPTO markup: use strikethrough for deletions and underline for insertions, or provide a clean version with redline comparison 6. State clearly whether this is a USPTO error (no fee required) or applicant error (fee required: $100 for small entity, $200 for large entity - verify current fee schedule) 7. If correcting inventor names, include an affidavit or declaration under 37 CFR 1.47 or 1.48 regarding the correct inventorship 8. Include a request that the correction be entered in the official file and published in the Official Gazette 9. Add signature block for the registered patent attorney/agent or patent owner with printed name and registration number (if applicable) **Formatting Guidelines:** - Use single-spaced text with double-spacing between paragraphs - Include a header with patent number and date - Provide a "Statement of Facts" section explaining the origin of the error - End with a respectful closing and contact information Generate the complete, submission-ready document.

Best Use Cases

Correcting typographical errors in patent claims or specification text after issuance

Fixing misspelled inventor names or incorrect inventor order on the patent face

Correcting drawing reference numerals that were mislabeled in the specification

Resolving minor clerical errors in the assignment data or priority claims

Correcting errors in the patent title or abstract that do not affect claim scope

Frequently Asked Questions

What is the difference between a Certificate of Correction and a Reissue Patent?

A Certificate of Correction corrects minor typographical or clerical errors under 37 CFR 1.323. A Reissue Patent is required for substantive errors that render the patent wholly or partly inoperative or invalid, such as claiming too much or too little scope.

How long does it take to process a Certificate of Correction?

USPTO errors are typically corrected within 2-4 weeks. Applicant-requested corrections requiring fee payment usually take 1-3 months after fee receipt.

Can I use a Certificate of Correction to add a missing inventor?

No. Adding or deleting inventors requires a petition under 37 CFR 1.48, not a Certificate of Correction. However, you can correct spelling of existing inventor names via certificate.

Is there a fee for a Certificate of Correction?

There is no fee if the USPTO made the error. If the applicant made the error, the fee is currently $200 for large entities, $100 for small entities, and $50 for micro entities (verify current fee schedule).

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