CDIFFENSE Trademark
Trademark Overview
On Monday, April 28, 2025, a trademark application was filed for CDIFFENSE with the United States Patent and Trademark Office. The USPTO has given the CDIFFENSE trademark a serial number of 99158796. The federal status of this trademark filing is NOTICE OF ALLOWANCE - ISSUED as of Tuesday, June 16, 2026. This trademark is owned by Lumen Bioscience, Inc.. The CDIFFENSE trademark is filed in the Pharmaceutical Products category with the following description:
Therapeutic pharmaceutical for the treatment of Clostridioides difficile infections
General Information
| Serial Number | 99158796 |
| Word Mark | CDIFFENSE |
| Filing Date | Monday, April 28, 2025 |
| Status | 688 - NOTICE OF ALLOWANCE - ISSUED |
| Status Date | Tuesday, June 16, 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 |
Trademark Statements
| Goods and Services | Therapeutic pharmaceutical for the treatment of Clostridioides difficile infections |
Classification Information
| 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, April 28, 2025 |
| Primary Code | 005 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
Trademark Owner History
| Party Name | Lumen Bioscience, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Seattle, WA 98103
US |
| Party Name | Lumen Bioscience, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Seattle, WA 98103
US |
Trademark Events
| Event Date | Event Description |
| Monday, April 28, 2025 | NEW APPLICATION ENTERED |
| Monday, April 28, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, April 28, 2025 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, September 17, 2025 | ASSIGNED TO EXAMINER |
| Wednesday, September 17, 2025 | NON-FINAL ACTION WRITTEN |
| Wednesday, September 17, 2025 | NON-FINAL ACTION E-MAILED |
| Wednesday, September 17, 2025 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Tuesday, December 16, 2025 | APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED |
| Tuesday, December 16, 2025 | APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED |
| Tuesday, March 17, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Tuesday, March 17, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Tuesday, March 17, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Monday, March 23, 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 |
| Tuesday, June 16, 2026 | NOA E-MAILED - SOU REQUIRED FROM APPLICANT |
