How can I withdraw my application for patent term extension?

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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 withdraw an application for patent term extension, you must follow the procedure outlined in 37 CFR 1.770 . Specifically: File a written declaration of withdrawal in duplicate with the USPTO. Ensure the declaration is signed by the patent owner of record or their agent. Submit the withdrawal before a determination is made under 37 CFR 1.750. The MPEP states: “An application for extension of patent term may be expressly withdrawn before a determination is made pursuant to § 1.750 by filing in the Office, in duplicate, a written declaration of withdrawal signed by the owner of record of the patent or its agent.” Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Express Withdrawal of Application for Extension of Patent Term Must Be Acknowledged in Writing by Office MPEP 2764 Application for Extension Can Be Withdrawn Before Determination MPEP 2764 Permitted Express Withdrawal Does Not Entitle Refund of Filing Fee MPEP 2764 Request for Withdrawal of Extension Term Must Be Filed Before Reply Due Date MPEP 2764 Required Application Withdrawal After Final Determination Not Allowed MPEP 2764 Prohibited Petition to Withdraw Patent Application After Issue Fee Payment MPEP 1002.02(b) Petition to Withdraw Patent Application Before Issue Fee Payment MPEP 1002.02(c) Request to Withdraw Patent Applications Before Issue Fee Payment MPEP 1002.02(b) Petitions to Withdraw Issued Patents After Fee Payment MPEP 1002.02(b) U.S. Patent or Publication Counts Toward Document List MPEP 1134.01 Required Other Related FAQs 5 FAQs Collapse Is there a deadline for withdrawing a patent term extension application? When does a withdrawal of a patent term extension application become effective?...