Intellectual Property Resources
Internet Resources & Contact Information
Online trademark searches,
registration, and renewal services.
Canadian Intellectual Property Office
Canadian Patent Database
European Patent Organization (EPO)
Intellectual property throughout EU & Eurasia.
European Office for Harmonization of the Internal Market
Trademarks & design registration.
European Union Intellectual Property Office
National Institute for Industrial Property
Patent and Trademark Office
Hong Kong Special Administrative Region Government
Intellectual Property (IP) Australia
Patents, trademarks, & designs.
Intellectual Property Department
Hong Kong Government
Patents, trademarks, & designs.
• Intellectual Property Rights Helpdesk
Patent and Trademark Office Phone
Numbers in the United States
U.S. Patent Trademark Office
Contact Center (UCC)
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).
Assignments Recordation Branch (ARB)
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.
Patent and Trademark Copy Fulfillment Branch
Copies of official U.S. Patent and U.S. Trademark documents are available for sale from the Patent and Trademark Copy Fulfillment Branch.
Office of the Chief Communications Officer
The Office of the Chief Communications Officer manages the USPTO's public affairs function and coordinates a wide variety of internal and external communications.
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)
Patent Cooperation Treaty (PCT) Helpdesk
Provides information and assistance on the PCT process, (571) 272-4300 from 8:30 am to 5:00 pm (ET), Monday through Friday.
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.
Patent Electronic Business Center
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).
General Trademark Information
Email: TrademarkAssistanceCenter@uspto.govTelephone 1-800-786-9199 (select option #1). Telephone assistance is available Monday - Friday (except federal holidays) from 8:30 a.m. to 8:00 p.m. ET.
Walk-in assistance is available Monday through Friday (except federal holidays) from 8:30 a.m. to 5:00 p.m. ET.
Electronic Filing Help (Accessing or Using Electronic Forms)
Filing Applications electronically or using any TEAS electronic forms:
E-mail TEAS@uspto.gov. You will generally receive a response within two hours if you submit an e-mail Monday - Friday 8 a.m. - 8 p.m. ET.
U.S. Patent and Trademark Office
The European Patent Office (ePO),
the Japanese Patent Office (jPO), and
the U.S. Patent and Trademark Office
(USPTO) exchange information and
views regarding patent administration
in general, patent documentation and
classification, automation programs,
and patent examination practice.
United Kingdom Patent Office
U.S. Patent Copyright Office
United States Patent and
Patent full-text database (PATFT)
WIPO PCT Gazette
World Intellectual Property Organization
Patent Cooperation Treaty
(PCT) Search Database.
World Intellectual Property