| Serial Number | 99327850 |
| Word Mark | SION |
| Filing Date | Friday, August 8, 2025 |
| Status | 661 - RESPONSE AFTER NON-FINAL ACTION - ENTERED |
| Status Date | Tuesday, June 23, 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 | NOT AVAILABLE |
| Goods and Services | Pharmaceutical preparations; Pharmaceutical preparations for the treatment of Cystic Fibrosis; Pharmaceutical preparations for the treatment of genetic diseases or disorders; Pharmaceutical preparations for the treatment of endocrine diseases or disorders; Pharmaceutical preparations for the treatment of pulmonary, respiratory, gastrointestinal, digestive, metabolic, and pancreatic diseases or disorders |
| Pseudo Mark | SIONNA |
| Goods and Services | Pharmaceutical research and development; Research and development in the pharmaceutical and biotechnology fields; Testing of pharmaceuticals; Consulting services for others in the field of pharmaceutical research and development; Consulting services for others in the field of pharmaceuticals; Research and development in the field of Cystic Fibrosis; Research and development in the field of genetic diseases or disorders; Research and development in the field of endocrine diseases or disorders; Research and development in the field of pulmonary, respiratory, gastrointestinal, digestive, metabolic, and pancreatic diseases or 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 | 6 - Active |
| Class Status Date | Friday, August 8, 2025 |
| Primary Code | 005 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| 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 | Friday, August 8, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| Party Name | Sionna Therapeutics, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Waltham, MA 02451 US |
| Event Date | Event Description |
| Friday, August 8, 2025 | NEW APPLICATION ENTERED |
| Friday, August 8, 2025 | APPLICATION FILING RECEIPT MAILED |
| Thursday, December 18, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, December 22, 2025 | ASSIGNED TO EXAMINER |
| Tuesday, December 23, 2025 | NON-FINAL ACTION WRITTEN |
| Tuesday, December 23, 2025 | NON-FINAL ACTION E-MAILED |
| Tuesday, December 23, 2025 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Monday, March 23, 2026 | APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED |
| Monday, March 23, 2026 | APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED |
| Tuesday, June 23, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Tuesday, June 23, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, June 23, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |