The express request will not be effective unless all of the requirements referred to in Items 2-5 below have been satisfied.
Item 3: Not required if the International Application was published by the International Bureau or was filed with the RO/US.
Item 4b: The English translation is not attached because the International Application was filed or published in English.
Petition to revive: Where an appropriate time limit under 37 CFR 1.495 has not been met, a petition to revive must be filed in the national phase application.
Public information: Information on this transmittal form may become public. Credit card information should not be included on this form.
| Question | Answer |
|---|---|
| Form Name | Form PTO-1390 |
| Form Length | 5 pages |
| Fillable? | Yes |
| Fillable fields | 102 |
| Avg. time to fill out | 17 min |
| Edition | 01-25 |
| Issuing agency | United States Patent and Trademark Office |
| Matches the agency's file | Yes, checked October 1, 2026 |
| Other names | PTO-1390, PTO1390, PTO 1390, Form PTO-1390, USPTO 371 transmittal letter, Transmittal Letter to the United States Designated/Elected Office |
| Official source | Form PTO-1390 (Rev 01-25), United States Patent and Trademark Office |
Form Pto 1390 isn’t the one you’re looking for?