Office |
Contact Information |
Start Here for Help |
USPTO Customer Support Centers -- For general patent information, Inventors Assistance Center, mailing addresses, Internet addresses, and contact information for other USPTO services. |
1-800-786-9199 (toll free) 571-272-1000 800-877-8339 (TTY) |
General Filing |
Patent Electronic Business Center -- Customer support for electronic filing and PAIR access. Customer Numbers and digital (PKI) certificate issuance and maintenance |
1-866-217-9197 (toll free) 571-272-4100 ebc@uspto.gov (email) |
Before Filing |
Scientific and Technical Information Center -- Extensive collections of foreign patents, Non-Patent literature and intellectual property law. Open to the public. Assistance for Sequence Listing Questions/Filing. |
571-272-2520 571-272-3547 |
Before Filing |
Public Search Facility -- Provides public access to patent and trademark information in a variety of formats including on-line, microfilm, and print. Trained staff are available to assist public users. |
571-272-3275 |
Before Filing |
Office of Patent Cooperation Treaty Legal Administration (PCT Help Desk) -- Assistance with applications filed under the Patent Cooperation Treaty. |
571-272-4300 |
Before Filing During Examination |
Office of Patent Legal Administration -- Rule changes, PG Pubs, Patent Term Adjustment & Extension. |
571-272-7701 |
Before Filing During Examination |
Office of Petitions -- Reviews and decides petitions, requests, and related inquiries, regarding the filing of patent applications |
571-272-3282 |
Before Filing During Examination |
Inventor’s Assistance Center -- Provides patent information and services to the public. The IAC is staffed by former Supervisory Patent Examiners and experienced Primary Examiners who answer general questions concerning patent examining policy and procedures. |
1-800-786-9199 (toll free) 571-272-1000 800-877-8339 (TTY) |
Before Filing During Examination After Grant |
America Invents Act Contact Center -- For questions regarding the America Invents Act, including the new legal provisions and rules |
855-HELP-AIA (855-435-7242) (toll-free) 571-272-0300 HELPAIA@uspto.gov (email) |
Before Filing During Examination |
Application Assistance Unit– (Status inquiries regarding newly filed and allowed patent applications; and questions about Pre-Grant Publication or 18-month Publication |
1-888-786-0101 (toll free) 571-272-4200 or 571-272-4000 |
Before Filing Pre Examination Post Examination |
Assignments Recordation Branch - 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 |
571-272-3350 EPAS@uspto.gov (email) |
During Examination After Grant |
Ombudsman Program-- When there is a breakdown in the normal application process, including before and after prosecution, the Patents Ombudsman Program can assist in getting the application back on track |
571-272-5555 855-559-8589 (toll free) Hours: M-F 8:30-5:00 or the contact form found on the Ombudsman page |
Before Filing Pre Examination Post Examination |
Patent and Trademark Copy Fulfillment Branch - Copies of official U.S. Patent and U.S. Trademark documents are available for sale |
800-972-6382 (toll-free) 571-272-3150 571-273-3250 (fax) dsd@uspto.gov (email) |
Administration of Patent/Trademark |
Receipts Accounting Division (RAD) - For information on fee payments, including maintenance fees, deposit accounts, and refunds |
571-272-6500 |
Administration of Patent/Trademark |
Central Fax -- For transmitting by facsimile patent related correspondence. Please see 37 CFR 1.6(d) for an identification of correspondence that the USPTO does not permit to be transmitted |
571-273-8300 (fax) |
Administration of Patent/Trademark |
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Patent Trial and Appeal Board
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Trademark filing
Status, documents, and certificates
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Updates and announcements
Pay maintenance fees and learn more about filing fees and other payments
Current and planned system outages