MPEP 2570
Maintenance Fee Payment Status Requests

This is the Ninth Edition of the MPEP, Revision 08.2017, Last Revised in Januay 2018

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2570    Maintenance Fee Payment Status Requests [R-08.2017]

The Maintenance Fee Branch will respond to requests for the maintenance fee payment status of patents. Maintenance fee status information for a patent of interest can be obtained over the Internet by entering the patent number and the corresponding application number in the appropriate spaces on the webpage available at https:// fees.uspto.gov/MaintenanceFees. In addition, maintenance fee status can be requested by telephone. Telephone status requests are limited to two patent numbers per telephone call. See MPEP § 1730 for the telephone number.