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).
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.
Copies of official U.S. Patent and U.S. Trademark documents are available for sale from the Patent and Trademark Copy Fulfillment Branch.
The Office of the Chief Communications Officer manages the USPTO's public affairs function and coordinates a wide variety of internal and external communications.
We can provide general information and assistance via email.
The Receipts Accounting Division serves as the central coordinator for fees processed throughout the USPTO.
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 experienced patent professionals who can answer general questions concerning patent examining policy and procedure.
The staff in the Application Assistance Unit (AAU) 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 (OPAP) and the post-examination processing of patent applications by the Office of Data Management (ODM). Assistance is available Monday through Friday (except federal holidays) from 8:30 a.m. to 5 p.m. ET. 888-786-0101 (toll-free) 571-272-4000 (local)
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 application. Assistance is available Monday through Friday (except federal holidays) from 8:30 a.m. to 5 p.m. ET. Phone: 571-272-4300 (local)
The Patent Trial and Appeal Board (PTAB) is created by statute, and includes statutory members and Administrative Patent Judges. The PTAB is charged with rendering decisions on: appeals from adverse examiner decisions, post-issuance challenges to patents, and interferences.
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, PatentIn and Checker, Customer Number Requests, PKI Digital Certificates, Customer Number Upload Spreadsheets, PDX requests, Fee Address Indication, PCT Associations, PatFT and AppFT Searches and Central Fax inquiries. Assistance is available Monday through Friday from 6:00 a.m. to Midnight ET (except federal holidays).
Phone and email contact information
Assists all customers, from first-time filers to legal professionals and experienced trademark applicants and registrants
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.-5:00 p.m. ET (except federal holidays).