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The International trademark DUOLINGO was filed as Word mark on 12/13/2022 at the World Intellectual Property Organization.
| Trademark form | Word mark |
| File reference | 1710199 |
| Countries | 
|
| Base trademark |
No. ,
March 23, 2025
|
| Application date | December 13, 2022 |
| Expiration date | December 13, 2032 |
Trademark owner
5900 Penn Ave.
Pittsburgh PA 15206
US
Pittsburgh PA 15206
US
Trademark representatives
650 Town Center Drive, Suite 2000
Costa Mesa CA 92626
US
goods and services
09
Downloadable software for mobile phones for learning foreign
languages
41
Language instruction; providing online classes for learning
foreign languages; publication of online journals, namely,
blogs in the field of language instruction; translation
services for others
42
Software as a service (SaaS) services featuring software for
learning foreign languages; providing non-downloadable
software for learning foreign languages via a website
Trademark history
| Date | Document number | Area | Entry |
|---|---|---|---|
| July 31, 2023 | 2023/31 Gaz | EE | Rejection |
| July 25, 2023 | 2023/30 Gaz | RO | Rejection |
| July 21, 2023 | 2023/29 Gaz | SK | Rejection |
| July 17, 2023 | 2023/29 Gaz | AT | Rejection |
| July 13, 2023 | 2023/29 Gaz | SI | Rejection |
| June 28, 2023 | 2023/26 Gaz | LV | Rejection |
| June 13, 2023 | 2023/24 Gaz | CZ | Rejection |
| May 26, 2023 | 2023/22 Gaz | DK | Rejection |
| May 22, 2023 | 2023/21 Gaz | LT | Rejection |
| May 10, 2023 | 2023/19 Gaz | FI | Rejection |
| April 20, 2023 | 2023/16 Gaz | MC | Rejection |
| December 13, 2022 | 2023/3 Gaz | US | Registration |
ID: 141710199