Customer Service Representatives
Specific questions concerning a particular patent application should be directed to the Customer Service Representative for the appropriate area as listed below.
| Organization | Telephone | Facsimile | USPTO E-mail |
| TC1600 | 571-272-1600 | 571-273-8300 |  Customer Service 1600 |
| TC1700 | 571-272-1700 | 571-273-8300 | Customer Service 1700 |
| TC2100 | 571-272-2100 | 571-273-8300 | Customer Service 2100 |
| TC2600 | 571-272-2600 | 571-273-8300 | Customer Service 2600 |
| TC2800 | 571-272-2800 | 571-273-8300 | Customer Service 2800 |
| TC2900 | 571-272-2900 | 571-273-8300 | Customer Service 2900 |
| TC3600 | 571-272-3600 | 571-273-8300 | Customer Service 3600 |
| TC3700 | 571-272-3700 | 571-273-8300 | Customer Service 3700 |
| Office of Initial Patent Examination (OIPE) | 571-272-4000 | 571-746-7032 | ---- |
| Publications |
888-786-0101 571-272-4200 |
703-308-5065 | ---- |
| Petitions | » view list
571-272-3282 |
» view list
571-273-0025 |
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