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/TDD
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.

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/TDD
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

Staff in the Application Assistance Unit are trained to answer questions about the pre-examination processing of patent applications and the post-examination processing of patent applications.

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 electronic patent application submissions via the EFS-Web and Patent Center, and with the review of patent applications in PAIR and Patent Center.

Trademarks

Contact Trademarks

Provides contact information for business units involved in all stages of the application and registration process, including the Trademark Assistance Center, the law offices, the Trademark Trial and Appeal Board, and other Trademark assistance services.

Trademark Trial and Appeal Board

TTAB hears and decides adversary proceedings involving: oppositions to the registration of trademarks, petitions to cancel trademark registrations and proceedings involving applications for concurrent use registrations of trademarks. The Board also decides appeals taken from the trademark examining attorneys' refusals to allow registration of trademarks. The TTAB Assistance Center is available for telephone and email inquiries Monday-Friday 8:30 a.m.to 5 p.m. ET (except federal holidays).

Press, media, and general communications