Pay by fax or mail
Patent fees
The fax number depends on the type of payment you wish to make. We accept credit and debit card, or deposit account when paying by fax. For credit and debit card payments, include the Credit Card Payment Form.
- Frequently requested fax numbers appear in the table below. For a comprehensive listing of fax numbers, refer to the Contact us page.
Office | Type of payment | Fax number |
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Patents Application Assistance Unit | Most patent fees (except maintenance fees) | 571-273-8300 |
Maintenance Fee Branch | Patent maintenance fees | 571-273-6500 |
The mailing address depends on the type of payment you wish to make. We accept checks or money orders, credit and debit cards, or deposit accounts when paying by mail. For credit and debit card payments, include the Credit Card Payment Form.
If our systems are unavailable, see Filing Patent documents during an outage or Filing PTAB documents during an outage for alternative methods to file and pay fees.
Trademark fees
You must pay trademark fees with the Financial Manager online fee payment management tool. We don’t accept fees by fax or regular mail except in certain circumstances, such as a system outage.
If our systems are unavailable, see our Filing Trademark documents during an outage or Filing TTAB documents during an outage pages for alternative methods to file and pay fees.