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2570    Maintenance Fee Payment Status Requests [R-08.2012]

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 At the top of the site, click on the “Site Index” link, click on “M,” and then click on the “Maintenance Fee Branch” link for additional information. See MPEP § 1730 for the telephone number.



United States Patent and Trademark Office
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Last Modified: 03/27/2014 10:10:34