How can I file a petition for delayed payment of maintenance fees?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-29 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. To file a petition for delayed payment of maintenance fees, follow these steps according to MPEP 2590 : Use form PTO/SB/66, available on the USPTO forms website . Mark the front page of the communication “Attention: Office of Petitions”. Address the petition to: Mail Stop Petition Commissioner for Patents P.O. Box 1450 Alexandria, Virginia 22313-1450 Include the required maintenance fee, petition fee, and statement of unintentional delay. Ensure the petition is signed in compliance with 37 CFR 1.33(b) . Note that the EFS-Web version of the SB/66 form for auto-processing was retired on February 1, 2018. Petitions are processed by the Office of Petitions. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Petition for Unintentional Delay of Maintenance Fee Payment MPEP 2590 Required Petition to Reinstate Patent After Expired Maintenance Fee MPEP 2590 Required Petition to Reinstate Patent Requires Unintentional Delay Explanation MPEP 2590 Petition to Reinstate Expired Patent with Late Fee Payment MPEP 2590 Permitted Petition for Unintentional Maintenance Fee Delay MPEP 2590 Petition to Reinstate Patent with Unintentional Delayed Maintenance Fee Payment MPEP 2590 Petition for Unintentionally Delayed Maintenance Fee MPEP 2590 Late Payment of Maintenance Fee Permitted After Grace Period If Unintentional MPEP 2590 Permitted Unintentional Delay Requirement for Patent Reinstatement MPEP 2590 Petition Fee Required for Delayed Maintenance Fee Payment MPEP 2590 Required Other Related FAQs 5 FAQs Collapse What are the consequences of accepting delayed payment of maintenance fees? What is the process for accepting delayed payment of maintenance fees in expired patents? What happ...