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.

Assignments Recordation Branch (ARB)

Local
571-272-3350
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

Contact information for USPTO resources accessible at all stages of the patent process.

Inventors Assistance Center

Toll-Free
800-786-9199
Local
571-272-1000
TTY/TDD
800-877-8339
Provides patent information and services to the public. Staffed with experienced examiners who answer general questions about patent examining policy and procedures.

Patent Cooperation Treaty Helpdesk

The Patent Cooperation Treaty (PCT) is an international agreement among IP offices and intergovernmental authorities regarding the process of international patent applications. Contact the PCT Helpdesk for assistance.

Patent Trial and Appeal Board

Local
571-272-9797
Fax
571-273-0053
PTAB includes statutory members and Administrative Patent Judges. It is charged with rendering decisions on appeals from adverse examiner decisions, post-issuance challenges to patents, and interferences.

Patents Ombuds Office

Provides assistance for patent applications that may appear to be stalled in the patent examination process and can assist with getting applications back on track.

Trademarks

Contact Trademarks

Contact information for business units involved in all stages of the application and registration process.

Trademark Trial and Appeal Board

TTAB hears and decides adversary proceedings involving oppositions, petitions, and proceedings involving applications for trademark registrations. The Board also decides appeals taken from the examining attorneys' refusals.

Press, media, and general communications