XILIO Trademark

Serial Number: 99598873

XILIO is a trademark filed by XILIO DEVELOPMENT, INC. on January 16, 2026. The trademark is classified under Class 5 (Pharmaceuticals). The application is currently pending registration.

Trademark Classes

5

Class 5 - Pharmaceuticals

Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes

Owner Contact Info

XILIO DEVELOPMENT, INC. (7 trademarks)

Waltham, MA 02139

Entity Type: 03

Legal Representation

Attorney of Record

Valerie Brennan

1,390 trademarks filed View all →

Correspondence Address

Valerie Brennan Plave Koch PLC

3120 Fairview Park Drive, Suite 420

Falls Church, VA 22042

United States

Trademark Details

Filing Date

January 16, 2026

Registration Date

Not Registered

First Use Anywhere

March 2, 2021

First Use in Commerce

March 2, 2021

Published for Opposition

June 16, 2026

Goods & 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