What are the grounds for filing a reissue application?

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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 reissue application is filed to correct an error in the patent that makes it wholly or partly inoperative or invalid. The MPEP states: There must be at least one error in the patent to provide grounds for reissue of the patent. If there is no error in the patent, the patent will not be reissued. Common grounds for filing a reissue application include: Claims that are too narrow or too broad Inaccuracies in the disclosure Failure to claim or incorrect claiming of foreign priority Failure to reference or incorrect referencing of prior copending applications It’s important to note that minor errors, such as spelling or grammar mistakes, do not provide grounds for reissue under 35 U.S.C. 251 . Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Eight Ways to Correct a Patent MPEP 1400.01 Permitted Supplemental Examination Requirement for Patent Applications MPEP 1400.01 First Three Examination Methods Discussed MPEP 1400.01 Reexamination Requests Prohibited After September 16, 2012 MPEP 1400.01 Permitted Inter Partes Review, Post Grant Review, and Covered Business Method Review Discussed MPEP 1400.01 No New Petitions After September 16, 2020 MPEP 1400.01 Permitted Proceedings for Pre-September 16, 2020 Petitions Continue Until Conclusion MPEP 1400.01 Requirements for Reissue Application MPEP 1410 Required Requirements for Reissue Application MPEP 1411 Required Reissue Application Must Be Resumed After Certificate Issues MPEP 1449.01 Permitted Other Related FAQs 5 FAQs Collapse What are reissue applications according to MPEP 201.01? What are the special types of national applications? How can errors in benefit claims to domestic applications be corrected? Can drawing e...