When to contact
|USPTO Customer Support Centers |
For general patent information, Inventors Assistance Center, mailing addresses, Internet addresses, and contact information for other USPTO services.
|Patent Electronic Business Center |
Customer support for electronic filing and PAIR access. Customer Numbers and digital (PKI) certificate issuance and maintenance
|Scientific and Technical Information Center |
Extensive collections of foreign patents, Non-Patent literature and intellectual property law. Open to the public.
|Sequence Help Desk |
Assists with questions regarding compliance with 37 CFR 1.821-1.825 (sequence rules) or use of PatentIn or Checker software programs.
|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.
|Office of Patent Cooperation Treaty Legal Administration (PCT Help Desk) |
Assistance with applications filed under the Patent Cooperation Treaty.
|Office of Patent Legal Administration |
Rule changes, PG Pubs, Patent Term Adjustment & Extension.
|Office of Petitions |
Reviews and decides petitions, requests, and related inquiries, regarding the filing of patent applications
|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.
|America Invents Act Contact Center |
For questions regarding the America Invents Act, including the new legal provisions and rules
|Application Assistance Unit |
Status inquiries regarding newly filed and allowed patent applications; and questions about Pre-Grant Publication or 18-month Publication
|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
When there is a breakdown in the normal application process, including before and after prosecution, the Ombudsman Program can assist in getting the application back on track
|Patent and Trademark Copy Fulfillment Branch |
Copies of official U.S. Patent and U.S. Trademark documents are available for sale
|Receipts Accounting Division (RAD)|
For information on fee payments, including maintenance fees, deposit accounts, and refunds
|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
Phone numbers, email addresses, and other contact information for USPTO offices and business centers