DIAGNOSEX Trademark
Trademark Overview
On Friday, January 2, 2026, a trademark application was filed for DIAGNOSEX with the United States Patent and Trademark Office. The USPTO has given the DIAGNOSEX trademark a serial number of 99575805. The federal status of this trademark filing is PUBLISHED FOR OPPOSITION as of Tuesday, June 2, 2026. This trademark is owned by DIAGNOSEX, INC.. The DIAGNOSEX trademark is filed in the Computer & Software Services & Scientific Services category with the following description:
Research and development of mRNA drugs; Research and development of siRNA drugs
General Information
| Serial Number | 99575805 |
| Word Mark | DIAGNOSEX |
| Filing Date | Friday, January 2, 2026 |
| Status | 686 - PUBLISHED FOR OPPOSITION |
| Status Date | Tuesday, June 2, 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, June 2, 2026 |
Trademark Statements
| Goods and Services | Research and development of mRNA drugs; Research and development of siRNA drugs |
Classification Information
| 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, January 2, 2026 |
| Primary Code | 042 |
| First Use Anywhere Date | Tuesday, August 28, 2018 |
| First Use In Commerce Date | Tuesday, August 28, 2018 |
Trademark Owner History
| Party Name | DIAGNOSEX, INC. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | San Diego, CA 92121 US |
| Party Name | DIAGNOSEX, INC. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | San Diego, CA 92121 US |
Trademark Events
| Event Date | Event Description |
| Friday, January 2, 2026 | NEW APPLICATION ENTERED |
| Friday, January 2, 2026 | APPLICATION FILING RECEIPT MAILED |
| Wednesday, April 22, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, May 1, 2026 | ASSIGNED TO EXAMINER |
| Thursday, May 7, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, May 27, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, June 2, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, June 2, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |