XILIO THERAPEUTICS Trademark
Trademark Overview
On Friday, January 16, 2026, a trademark application was filed for XILIO THERAPEUTICS with the United States Patent and Trademark Office. The USPTO has given the XILIO THERAPEUTICS trademark a serial number of 99598865. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Friday, January 16, 2026. This trademark is owned by XILIO DEVELOPMENT, INC.. The XILIO THERAPEUTICS trademark is filed in the Pharmaceutical Products category with the following description:
Pharmaceutical products for the treatment of cancer, all of the foregoing excluding pharmaceutical products for sleep disorders, central nervous disorders other than cancers of the central nervous system, and neurological disorders other than cancers of the neurological system
General Information
| Serial Number | 99598865 |
| Word Mark | XILIO THERAPEUTICS |
| Filing Date | Friday, January 16, 2026 |
| Status | 630 - NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER |
| Status Date | Friday, January 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 | NOT AVAILABLE |
Trademark Statements
| Goods and Services | Pharmaceutical products for the treatment of cancer, all of the foregoing excluding pharmaceutical products for sleep disorders, central nervous disorders other than cancers of the central nervous system, and neurological disorders other than cancers of the neurological system |
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, January 16, 2026 |
| Primary Code | 005 |
| First Use Anywhere Date | Tuesday, March 2, 2021 |
| First Use In Commerce Date | Tuesday, March 2, 2021 |
Trademark Owner History
| Party Name | XILIO DEVELOPMENT, INC. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Waltham, MA 02451 |
Trademark Events
| Event Date | Event Description |
| Friday, January 16, 2026 | NEW APPLICATION ENTERED |
| Friday, January 16, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, January 16, 2026 | APPLICATION FILING RECEIPT MAILED |
