Office | Toll-free Number | Local Number |
USPTO Customer Support Centers | 1-800-786-9199 | 571-272-1000 571-272-9950 (TTY) |
Electronic Business Center | 1-866-217-9197 | 571-272-4100 |
Office of the Commissioner for Patents | 571-272-8800 | |
Office of Data Management | 1-888-786-0101 | 571-272-4200 |
Office of Patent Classification | 571-272-7850 | |
Office of Patent Cooperation Treaty Legal Administration (PCT Help Desk) | 571-272-4300 | |
Office of Patent Legal Administration | 571-272-7701 | |
Office of Petitions | 571-272-3282 | |
Scientific and Technical Information Center | 571-272-3547 | |
Public Search Facility | 571-272-3275 |