ADDITION THERAPEUTICS Trademark
Trademark Overview
On Monday, October 20, 2025, a trademark application was filed for ADDITION THERAPEUTICS with the United States Patent and Trademark Office. The USPTO has given the ADDITION THERAPEUTICS trademark a serial number of 99452451. The federal status of this trademark filing is PUBLICATION/ISSUE REVIEW COMPLETE as of Tuesday, January 13, 2026. This trademark is owned by Addition Therapeutics, Inc.. The ADDITION THERAPEUTICS trademark is filed in the Pharmaceutical Products and Computer & Software Services & Scientific Services categories with the following description:
Research and development in the field of genetic diseases and disorders and gene and RNA-based therapies; providing information about medical and scientific research
Pharmaceuticals and pharmaceutical preparations for use in the treatment of genetic diseases and disorders
General Information
| Serial Number | 99452451 |
| Word Mark | ADDITION THERAPEUTICS |
| Filing Date | Monday, October 20, 2025 |
| Status | 681 - PUBLICATION/ISSUE REVIEW COMPLETE |
| Status Date | Tuesday, January 13, 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, February 3, 2026 |
Trademark Statements
| Goods and Services | Research and development in the field of genetic diseases and disorders and gene and RNA-based therapies; providing information about medical and scientific research |
| NOT AVAILABLE | THERAPEUTICS |
| Goods and Services | Pharmaceuticals and pharmaceutical preparations for use in the treatment of genetic diseases and disorders |
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, October 20, 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 | Monday, October 20, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
Trademark Owner History
| Party Name | Addition Therapeutics, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | South San Francisco, CA 94080 |
Trademark Events
| Event Date | Event Description |
| Monday, October 20, 2025 | NEW APPLICATION ENTERED |
| Monday, October 20, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, October 20, 2025 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, January 7, 2026 | ASSIGNED TO EXAMINER |
| Wednesday, January 7, 2026 | EXAMINERS AMENDMENT -WRITTEN |
| Wednesday, January 7, 2026 | EXAMINERS AMENDMENT E-MAILED |
| Wednesday, January 7, 2026 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Wednesday, January 7, 2026 | EXAMINER'S AMENDMENT ENTERED |
| Wednesday, January 7, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
