| Serial Number | 99499602 |
| Word Mark | QTX-2101 |
| Filing Date | Monday, November 17, 2025 |
| Status | 686 - PUBLISHED FOR OPPOSITION |
| Status Date | Tuesday, April 21, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, April 21, 2026 |
| Pseudo Mark | QTX TWENTYONE ZERO ONE; QTX TWO THOUSAND ONE HUNDRED ONE |
| Goods and Services | Pharmaceutical preparations for the treatment of infectious diseases; pharmaceutical preparations for the treatment of hematology diseases; Pharmaceutical preparations for the treatment of cancer |
| International Class | 005 - Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes; dietetic substances adapted for medical use, food for babies; plasters, materials for dressings; material for stopping teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides. |
| US Class Codes | 005, 006, 018, 044, 046, 051, 052 |
| Class Status Code | 6 - Active |
| Class Status Date | Monday, November 17, 2025 |
| Primary Code | 005 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Quetzal Therapeutics, LLC |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Chicago, IL 60606 US |
| Party Name | Quetzal Therapeutics, LLC |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 16 - Limited Liability Company |
| Address | Chicago, IL 60606 US |
| Event Date | Event Description |
| Monday, November 17, 2025 | NEW APPLICATION ENTERED |
| Monday, November 17, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, November 17, 2025 | APPLICATION FILING RECEIPT MAILED |
| Tuesday, March 24, 2026 | ASSIGNED TO EXAMINER |
| Wednesday, March 25, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, April 15, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, April 21, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, April 21, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |