We're here to help. For general questions please call 1-800-786-9199. For specific matters, refer to the area of inquiry below.
Have you received a misleading notice in the mail to renew your trademark or patent? These may be sent from third parties with names like "Patent and Trademark Bureau" or "Patent and Trademark Office" or similar. These entities are not affiliated with the USPTO. Please see our Caution: misleading notices page (trademarks) or Non-USPTO solicitations page (patents).
Phone numbers, email addresses, and other contact information for USPTO offices and business centers
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).
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.
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.
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.
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.
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.
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).