Patent Center Usage Policy

To maintain general availability of USPTO information and services provided on the Internet, any activities or operations that cause a denial or diminution (decrease) of services to other customers, whether generated automatically or manually, may result in the Office's denying access to the Office Internet resources to the offender.

Contact the Patent Electronic Business Center (EBC) with any questions or concerns about this policy. The Patent EBC is a complete customer service center that supports all Patent e-business products and service applications, and can be reached at 571-272-4100 or toll-free at 866-217-9197 between the hours of 6 am and 12 midnight Monday through Friday ET, or by e-mail to