How long does micro entity status last?

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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. Micro entity status, once properly established, generally remains in effect until: A fee is paid in the small entity or undiscounted amount A notification of loss of entitlement to micro entity status is filed The issue fee or a maintenance fee is due However, the applicant has a continued obligation to verify eligibility for micro entity status each time a fee is paid. As stated in 37 CFR 1.29(g): ‘a fee may be paid in the micro entity amount only if status as a micro entity as defined in paragraph (a) or (d) of this section is appropriate on the date the fee is being paid.’ Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Notification of Fee Insufficiency Must Include Reason 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?