How do I correct an error in my foreign priority claim?

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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. If you need to correct an error in your foreign priority claim, the process depends on the nature of the error and when it’s discovered. According to MPEP 214.01 , “Applicant may correct the failure to adequately claim priority to the prior foreign application by amending the specification or submitting a new application data sheet (ADS) identifying the foreign application by application number, country (or intellectual property authority), and filing date.” Here are some key points to remember: If the error is discovered within the time period for filing the priority claim, you can simply submit a corrected ADS or amend the specification. If the error is discovered after the time period has expired, you may need to file a petition under 37 CFR 1.55(e) to accept an unintentionally delayed priority claim. For minor typographical errors, a request for a corrected filing receipt may be sufficient. Always consult with a patent attorney or agent to determine the best course of action for your specific situation. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Time Period for Filing Priority Claim MPEP 214.01 Petition for Unintentionally Delayed Priority Claim MPEP 214.01 Required Claim for Foreign Priority Must Be Timely Filed MPEP 214.01 Claim for Foreign Priority Must Be Filed Before Patent Grant MPEP 214 Claim for Foreign Priority Must Be Filed Within Twelve Months MPEP 214 Claim for Priority Must Be on Application Data Sheet MPEP 214.01 Unintentionally Delayed Foreign Priority Petition Allowed After Grant MPEP 214.02 Permitted Late Foreign Priority Claim Without Petition MPEP 214.03 Permitted Priority Claim for Foreign Application Not Required for Restoration Pet...