Contact Patents

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

Print