What are reissue applications according to MPEP 201.01?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-09 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. MPEP 201.01 briefly mentions reissue applications as one of the types of national applications. Specifically, it states: ‘National applications include original applications and reissue applications (filed under 35 U.S.C. 251 ).’ Reissue applications are a specialized type of patent application used to correct errors in an already issued patent. They are governed by 35 U.S.C. 251, which allows a patentee to apply for a reissue of their patent if it is deemed to be wholly or partly inoperative or invalid due to certain types of errors. For more detailed information on reissue applications, refer to MPEP 1400 – Correction of Patents . For more information on Patent correction, visit: Patent correction . For more information on Patent errors, visit: Patent errors . For more information on reissue applications, visit: reissue applications . Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Types of Applications Under 35 U.S.C. 111(a) MPEP 201.01 Contents of Patent Application Required MPEP 201.01 Required Contents of Patent Application Required MPEP 201.01 Required Types of National Applications Defined MPEP 201.01 Reissue Patent for Inoperative or Invalid Claims MPEP 1401 Required Patent Application May Be Treated as Provisional MPEP 201.01 Permitted Treatment of National and National Stage Applications Similar but Not Identical MPEP 201.01 Restriction Practice for National Applications MPEP 201.01 No New Matter in Reissue Application MPEP 1401 Required Provisional Application Cannot Claim Priority MPEP 201.01 Required Other Related FAQs 5 FAQs Collapse What are the special types of national applications? What are the main types of national applications under U.S. pa...