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 staff in the Application Assistance Unit 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 and the post-examination processing of patent applications by the Office of Data
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
How to contact PTAB Telephone number and other contact information Mailing address Directions Feedback and suggestion boxes Appeal suggestions PTAB trial suggestions for AIA proceedings Patent Trial and Appeal Board End to End (PTABE2E) suggestions PTAB statistics questions
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
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.
The Trademark Assistance Center (TAC) is the main support center for all customers, from first-time filers to legal professionals and experienced trademark applicants. Although TAC may not give legal advice, it can answer general questions about the trademark process and our Trademark Electronic Application System (TEAS) forms. TAC is available for telephone and email inquiries Monday–Friday, 8:30 a.m. to 8 p.m. ET (except federal holidays). 1-800-786-9199 (press 1)
The 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).