2570 Maintenance Fee Payment Status Requests [R-07.2015]
The Maintenance Fee Branch will respond to requests for the maintenance fee payment status of patents. Maintenance fee status can be requested by telephone. Telephone status requests are limited to two patent numbers per telephone call. In addition, maintenance fee status information is available over the Internet at https://ramps.uspto.gov/ eram/patentMaintFees.do. See MPEP § 1730 for the telephone number.