| Serial Number | 98909630 |
| Word Mark | KORSA |
| Filing Date | Wednesday, December 18, 2024 |
| Status | 605 - ABANDONED - EXPRESS AFTER PUB |
| Status Date | Wednesday, October 22, 2025 |
| 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, July 15, 2025 |
| Goods and Services | Antibodies for therapeutic purposes; Pharmaceutical preparations for the treatment of neurological and neurodegenerative diseases and disorders; House mark for pharmaceuticals for the treatment of neurological and neurodegenerative diseases and disorders |
| 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 | 8 - Abandoned |
| Class Status Date | Wednesday, October 22, 2025 |
| Primary Code | 005 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Korsa Biosciences, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Waltham, MA 02453 |
| Party Name | Korsa Biosciences, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Waltham, MA 02453 |
| Event Date | Event Description |
| Wednesday, December 18, 2024 | NEW APPLICATION ENTERED |
| Wednesday, December 18, 2024 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Wednesday, June 4, 2025 | ASSIGNED TO EXAMINER |
| Thursday, June 12, 2025 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, July 9, 2025 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, July 15, 2025 | PUBLISHED FOR OPPOSITION |
| Tuesday, July 15, 2025 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Wednesday, August 13, 2025 | EXTENSION OF TIME TO OPPOSE RECEIVED |
| Tuesday, September 30, 2025 | TEAS EXPRESS ABANDONMENT RECEIVED |
| Wednesday, October 22, 2025 | ABANDONMENT - AFTER PUBLICATION |
| Wednesday, October 22, 2025 | ABANDONMENT NOTICE E-MAILED - AFTER PUBLICATION |