Manual of Patent Examining Procedure - MPEP

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2500 Maintenance Fees

2570 Maintenance Fee Payment Status Requests

The Maintenance Fee Branch will respond to requests for the maintenance fee payment status of patents. Maintenance fee status can be requested by telephone, facsimile, or e-mail. In addition, maintenance fee status information is available over the Internet at www.uspto.gov . Telephone status requests are limited to two patent numbers per telephone call. See MPEP § 1730 for the telephone and facsimile numbers.

The Maintenance Fee Branch has a form available, for the user's convenience, when submitting requests in person or via facsimile.

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