| Serial Number | 86171435 |
| Word Mark | DUOLINGO |
| Filing Date | Tuesday, January 21, 2014 |
| Status | 800 - REGISTERED AND RENEWED |
| Status Date | Thursday, February 29, 2024 |
| Registration Number | 4588574 |
| Registration Date | Tuesday, August 19, 2014 |
| Mark Drawing | 4000 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, June 3, 2014 |
| Goods and Services | language instruction; providing online classes for learning foreign languages; online journals, namely, blogs in the field of language instruction; translation services for others |
| Goods and Services | downloadable software for mobile phones for learning foreign languages |
| International Class | 009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus. |
| US Class Codes | 021, 023, 026, 036, 038 |
| Class Status Code | 6 - Active |
| Class Status Date | Saturday, February 1, 2014 |
| Primary Code | 009 |
| First Use Anywhere Date | Wednesday, October 31, 2012 |
| First Use In Commerce Date | Wednesday, October 31, 2012 |
| International Class | 041 - Education; providing of training; entertainment; sporting and cultural activities. |
| US Class Codes | 100, 101, 107 |
| Class Status Code | 6 - Active |
| Class Status Date | Saturday, February 1, 2014 |
| Primary Code | 041 |
| First Use Anywhere Date | Wednesday, November 30, 2011 |
| First Use In Commerce Date | Wednesday, November 30, 2011 |
| 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 15232 |
| Party Name | Duolingo, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Pittsburgh, PA 15232 |
| Event Date | Event Description |
| Thursday, February 29, 2024 | NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED |
| Thursday, February 29, 2024 | REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS) |
| Thursday, February 29, 2024 | REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED |
| Thursday, February 29, 2024 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Friday, September 8, 2023 | TEAS SECTION 8 & 9 RECEIVED |
| Saturday, August 19, 2023 | COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED |
| Monday, September 30, 2019 | NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED |
| Monday, September 30, 2019 | REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. |
| Monday, September 30, 2019 | CASE ASSIGNED TO POST REGISTRATION PARALEGAL |
| Thursday, August 22, 2019 | TEAS SECTION 8 & 15 RECEIVED |
| Monday, August 19, 2019 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Tuesday, April 26, 2016 | APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED |
| Tuesday, April 26, 2016 | TEAS CHANGE OF OWNER ADDRESS RECEIVED |
| Tuesday, August 19, 2014 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, June 3, 2014 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, June 3, 2014 | PUBLISHED FOR OPPOSITION |
| Wednesday, May 14, 2014 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Monday, April 28, 2014 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, April 23, 2014 | ASSIGNED TO EXAMINER |
| Saturday, February 1, 2014 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, January 24, 2014 | NEW APPLICATION ENTERED |