DEFINIUM Trademark
Trademark Overview
On Friday, April 3, 2026, a trademark application was filed for DEFINIUM with the United States Patent and Trademark Office. The USPTO has given the DEFINIUM trademark a serial number of 99743011. The federal status of this trademark filing is NEW APPLICATION - ASSIGNED TO EXAMINER as of Tuesday, June 9, 2026. This trademark is owned by Definium Therapeutics US, Inc.. The DEFINIUM trademark is filed in the Pharmaceutical Products and Computer & Software Services & Scientific Services categories with the following description:
Drug discovery services; Pharmaceutical drug development services; Pharmaceutical research and development; Pharmaceutical research services; providing medical and scientific research information in the fields of pharmaceuticals; Research and development in the pharmaceutical and biotechnology fields; pharmaceutical research and development in the fields of psychiatry, neurology, and addiction medicine; medical and scientific research, namely, conducting clinical trials for others in the field of psychedelic-based therapeutics
Pharmaceuticals; pharmaceutical preparations; pharmaceuticals for the treatment of mental health conditions; Pharmaceutical preparations for the treatment of mental health conditions; pharmaceutical preparations, namely, psychotropic, psychoactive, and psychedelic medicinal preparations for the treatment of mental health conditions; pharmaceutical preparations for the treatment of psychiatric diseases and disorders, namely, anxiety, depression, post-traumatic stress disorder, and mood disorders; pharmaceutical preparations for the treatment of substance-use and addictive disorders
General Information
| Serial Number | 99743011 |
| Word Mark | DEFINIUM |
| Filing Date | Friday, April 3, 2026 |
| Status | 638 - NEW APPLICATION - ASSIGNED TO EXAMINER |
| Status Date | Tuesday, June 9, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 3 - Illustration: Drawing or design which also includes word(s) / letter(s) / number(s) |
| Published for Opposition Date | NOT AVAILABLE |
Trademark Statements
| Indication of Colors claimed | Color is not claimed as a feature of the mark. |
| Goods and Services | Drug discovery services; Pharmaceutical drug development services; Pharmaceutical research and development; Pharmaceutical research services; providing medical and scientific research information in the fields of pharmaceuticals; Research and development in the pharmaceutical and biotechnology fields; pharmaceutical research and development in the fields of psychiatry, neurology, and addiction medicine; medical and scientific research, namely, conducting clinical trials for others in the field of psychedelic-based therapeutics |
| Goods and Services | Pharmaceuticals; pharmaceutical preparations; pharmaceuticals for the treatment of mental health conditions; Pharmaceutical preparations for the treatment of mental health conditions; pharmaceutical preparations, namely, psychotropic, psychoactive, and psychedelic medicinal preparations for the treatment of mental health conditions; pharmaceutical preparations for the treatment of psychiatric diseases and disorders, namely, anxiety, depression, post-traumatic stress disorder, and mood disorders; pharmaceutical preparations for the treatment of substance-use and addictive disorders |
| Description of Mark | The mark consists of the stylized word "DEFINIUM" and a design of the letter "D" made of small squares to the right of the word. |
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 | Friday, April 3, 2026 |
| 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, April 3, 2026 |
| Primary Code | 042 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
Trademark Owner History
| Party Name | Definium Therapeutics US, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | New York, NY 10007
US |
Trademark Events
| Event Date | Event Description |
| Friday, April 3, 2026 | NEW APPLICATION ENTERED |
| Friday, April 3, 2026 | APPLICATION FILING RECEIPT MAILED |
| Tuesday, June 9, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, June 9, 2026 | NOTICE OF DESIGN SEARCH CODE E-MAILED |
| Tuesday, June 9, 2026 | ASSIGNED TO EXAMINER |
