Phone numbers, email addresses, and other contact information for USPTO offices and business centers

General Information

USPTO Contact Center (UCC)

Toll-Free
800-786-9199
Local
571-272-1000
TTY
800-877-8339
For general information, mailing addresses, Internet addresses, USPTO.gov accounts, how to use the online fee payment management system and contact information for other USPTO services. General Support is available Monday through Friday from 8:30 a.m. to 8 p.m. ET (except federal holidays).

Assignments Recordation Branch (ARB)

Local
571-272-3350
Fax
571-273-0140
For help with following a new assignment or obtaining information on a pending assignment, questions on assignments, liens on patents, filing assignments, recordation forms, and trademark assignments.

Patent and Trademark Copy Fulfillment Branch

Toll-Free
800-972-6382
Local
571-272-3150
Fax
571-273-3250
Copies of official U.S. Patent and U.S. Trademark documents are available for sale from the Patent and Trademark Copy Fulfillment Branch.

Email us

We can provide general information and assistance via email.

Patents

Contact Patents

Provides contact information for all stages of the patent process including the Patent Electronic Business Center, the Inventors Assistance Center, Office of Patent Legal Administration, and other Patents assistance services.

Inventors Assistance Center

Toll-Free
800-786-9199
Local
571-272-1000
TTY
800-877-8339
The Inventors Assistance Center provides patent information and services to the public. It is staffed by former Supervisory Patent Examiners and Primary Examiners who answer general questions concerning patent examining policy and procedure.

Application Assistance Unit

The staff in the Application Assistance Unit (AAU) is trained to assist with a broad range of questions and issues pertaining to pre-examination processing of patent applications by the Office of Patent Application Processing (OPAP) and the post-examination processing of patent applications by the

Patent Cooperation Treaty Helpdesk

Local
571-272-4300
The Patent Cooperation Treaty (PCT) is an international agreement among intellectual property offices and intergovernmental authorities regarding the process of international patent applications. Please contact the PCT Helpdesk for questions and information concerning the PCT and filing a PCT

Patent Electronic Business Center

The Patent Electronic Business Center (EBC) assists customers with filing their electronic patent application submissions via the Electronic Filing System (EFS-Web) and with the review of patent applications in Public and Private PAIR. The EBC offers support with electronic filing, eOffice Action,

Trademarks

Trademark Assistance Center

You have been directed to this page based on the status of your trademark application or registration. Our Trademark Assistance Center specialists would be happy to speak to you concerning this file. Please call 1-800-786-9199 (select option #1). Office hours are 8:30 a.m. to 8 p.m. ET., Monday

Trademark Assistance Center (TAC)

Trademark Assistance Center

The Trademark Assistance Center (TAC) is the main support center for all customers, from first-time filers to legal professionals and experienced trademark applicants. We can answer your questions on a variety of trademark topics. 

Trademark Assistance Center
600 Dulany Street
Madison East, Concourse Level
Alexandria, VA 22314
United States

Local
571-272-9250 (press 0)
Toll-Free
800-786-9199 (option 1)