SIRELIS Trademark

Serial Number: 99555535

SIRELIS is a trademark filed by Alnylam Pharmaceuticals, Inc. on December 18, 2025. The trademark is classified under Class 40 (Treatment & Processing), Class 42 (Computer & Scientific). The application is currently pending registration.

Trademark Classes

Class 40 - Treatment & Processing

Treatment of materials

Class 42 - Computer & Scientific

Scientific and technological services; industrial analysis and research services

Owner Contact Info

Alnylam Pharmaceuticals, Inc. (91 trademarks)

300 Third Street, 3rd Floor
Cambridge, MA 02142

Entity Type: 03

Legal Representation

Attorney of Record

Sarah Anne Keefe

2,137 trademarks filed View all →

Correspondence Address

Sarah Anne Keefe Womble Bond Dickinson (US) LLP

470 Atlantic Avenue, Suite 600

Boston, MA 02210

United States

Trademark Details

Filing Date

December 18, 2025

Registration Date

Not Registered

Published for Opposition

June 23, 2026

Goods & Services

Providing technical information in the field of pharmaceutical manufacturing; Manufacturing services for others in the field of pharmaceuticals for use in siRNA synthesis; Custom manufacture of siRNA therapeutics; Custom manufacture of RNA utilizing proprietary enzymatic technologies to enable nucleic acid therapeutics development

Scientific research and development; Research and development of small molecule RNA drugs; Research and development of siRNA drugs; RNA interference technology research