This page contains contact information for USPTO offices and business centers. Please make sure you’re familiar with and abide by our Code of conduct when communicating with USPTO personnel.

General Information

USPTO Contact Center (UCC)

For general information, mailing addresses, Internet addresses, accounts, how to use the online fee payment management system and contact information for other USPTO services.

Public Search Facility

Located in Alexandria, VA with trained staff to assist the public in person, via email, and by phone with patent and trademark information and historical collections.


Contact Patents

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

Inventors Assistance Center

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

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.


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