What happens if I overpay a patent fee to the USPTO?

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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 overpay a patent fee to the USPTO, you may be eligible for a refund. The MPEP 509 states: ‘In the event that an amount is paid by mistake or in excess of that required, a refund may be made only if a petition for refund is filed within 2 years after the date the fee was paid.’ To request a refund: File a petition for refund within 2 years of the payment date Clearly explain the reason for the overpayment Provide evidence of the overpayment It’s important to note that not all overpayments are automatically refunded, so proactive action is necessary to recover excess fees. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Refund Request Must Be Filed Within Two Years MPEP 509 Required Late Payment of Basic Filing Fee Requires Surcharge MPEP 509 Permitted Payment of Fees by Credit Card Permitted MPEP 509 Payment of Fees by Credit Card Is Required MPEP 509 Fees Must Be Paid In Advance For Patent Actions MPEP 509 Required Fees Must Be Paid in US Dollars MPEP 509 Required Credit Card Payments Allowed for USPTO Fees Except Deposit Replenishment MPEP 509 Required Credit Card Number on Non-Official Forms Not Secure MPEP 509 Refund of Fees if Reexamination Not Instituted MPEP 509 Recommended Order of Applying Payment for Filing Fees MPEP 509 Other Related FAQs 5 FAQs Collapse Are there any fee reductions or waivers available for USPTO patent fees? What are the accepted methods of payment for USPTO fees? What are the consequences of bounced checks or insufficient funds for USPTO fee payments? How should fees be itemized when submitting payment to the USPTO? How can I pay fees to the USPTO electronically?