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| Subject | Telephone | Fax | TTY |
|---|---|---|---|
| Maintenance Fees | 571-272-6500 | ||
| Manual of Examining Procedure, Trademark See Trademark Manual of Examining Procedures (TMEP) |
800-786-9199 571-272-9250 |
571-273-9250 | |
| Manual of Patent Examining Procedure (MPEP) | 571-272-8850 | 571-273-0125 | |
| Content questions | 571-272-8813 | 571-273-0125 | |
| For Submissions Concerning the Manual of Patent Examining Procedures, See Special Mail Stops for Patent Mail |
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| Mechanical Examining Groups See Patent Technology Centers |