| Serial Number | 88718539 |
| Word Mark | DUOLINGO |
| Filing Date | Friday, December 6, 2019 |
| Status | 700 - REGISTERED |
| Status Date | Tuesday, September 22, 2020 |
| Registration Number | 6160063 |
| Registration Date | Tuesday, September 22, 2020 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, April 7, 2020 |
| Goods and Services | Software as a service (SAAS) services featuring software for learning foreign languages; Providing a website featuring non-downloadable software for learning foreign languages |
| International Class | 042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software. |
| US Class Codes | 100, 101 |
| Class Status Code | 6 - Active |
| Class Status Date | Wednesday, December 11, 2019 |
| Primary Code | 042 |
| First Use Anywhere Date | Saturday, June 9, 2012 |
| First Use In Commerce Date | Saturday, June 9, 2012 |
| Party Name | Duolingo, Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Pittsburgh, PA 15206 |
| Party Name | Duolingo, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Pittsburgh, PA 15206 |
| Party Name | Duolingo, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Pittsburgh, PA 15206 |
| Event Date | Event Description |
| Wednesday, February 26, 2020 | ASSIGNED TO EXAMINER |
| Tuesday, December 10, 2019 | NEW APPLICATION ENTERED |
| Wednesday, December 11, 2019 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Thursday, February 27, 2020 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, March 18, 2020 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, April 7, 2020 | PUBLISHED FOR OPPOSITION |
| Tuesday, April 7, 2020 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, June 2, 2020 | NOA E-MAILED - SOU REQUIRED FROM APPLICANT |
| Tuesday, July 14, 2020 | TEAS STATEMENT OF USE RECEIVED |
| Tuesday, July 14, 2020 | USE AMENDMENT FILED |
| Wednesday, July 29, 2020 | CASE ASSIGNED TO INTENT TO USE PARALEGAL |
| Thursday, July 30, 2020 | STATEMENT OF USE PROCESSING COMPLETE |
| Monday, August 17, 2020 | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED |
| Tuesday, August 18, 2020 | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED |
| Tuesday, September 22, 2020 | REGISTERED-PRINCIPAL REGISTER |
| Monday, September 22, 2025 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Thursday, October 2, 2025 | TEAS SECTION 8 & 15 RECEIVED |