Contact Patents
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 |
Technology Centers
Technology Center | Local Number |
1600 - Biotechnology and Organic Chemistry | 571-272-1600 |
1700 - Chemical and Materials Engineering | 571-272-1700 |
2100 - Computer Architecture and Software | 571-272-2100 |
2400 - Networking, Multiplexing, Cable, and Security | 571-272-2400 |
2600 - Communications | 571-272-2600 |
2800 - Semiconductors, Electrical and Optical Systems and Components | 571-272-2800 |
2900 - Designs | 571-272-1200 |
3600 - Transportation, Construction, Electronic Commerce, Agriculture, National Security, and License & Review | 571-272-3600 |
3700 - Mechanical Engineering, Manufacturing and Medical Devices/Processes | 571-272-3700 |