The Patent Electronic Business Center (EBC) is the USPTO Patents support organization that provides customer support for patent application electronic filing and other e-commerce matters not related to substantive patent prosecution or legal issues.

A Customer Number allows you to easily correlate all your filings and correspondence with a single mailing address, eliminating typographical errors or variations in addresses that can make it difficult to correspond with the USPTO.

This Customer Number will also ensure that only you can access your patent application information. If you already have a Customer Number and you would like to update the information associated with that number, please download and complete the Customer Number Data Change form [PDF] and fax it to the Electronic Business Center at 571-273-0177.

To get your unique , please download and complete the Customer Number Request form [PDF] and fax it to the Electronic Business Center at 571-273-0177. * This may be useful to attorneys changing firms or organizations that are reorganizing the management of a group of patents.

The EBC also issues, administers, and supports the use of customer numbers and digital certificates for the access and use of EFS-Web and Private PAIR.

The hours of operations of the EBC are Monday through Friday 6 a.m. The EBC can be reached by telephone at 866-217-9197 (toll free) or 571-272-4100. Customers seeking to access and use the USPTO's patent e-Commerce systems may do as either non-registered or registered users.

Customers may obtain registered status by applying for a digital certificate for the access and use of EFS-Web and Private PAIR.

Registration provides for the ability to electronically save materials being created for submission and to file follow-on materials using EFS-Web.

A customer number and digital certificate is required for Private PAIR which allows customers to review the status of their unpublished submissions and to track their patent applications online.

The following document, the EBC Welcome Wagon, provides a detailed overview of the services that the EBC provides to its customers.