SIRELIS Trademark

Trademark Overview

On Thursday, December 18, 2025, a trademark application was filed for SIRELIS with the United States Patent and Trademark Office. The USPTO has given the SIRELIS trademark a serial number of 99555535. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Thursday, December 18, 2025. This trademark is owned by Alnylam Pharmaceuticals, Inc.. The SIRELIS trademark is filed in the Treatment & Processing of Materials Services and Computer & Software Services & Scientific Services categories with the following description:

Providing technical information in the field of pharmaceutical manufacturing; Manufacturing services for others in the field of 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
sirelis

General Information

Serial Number99555535
Word MarkSIRELIS
Filing DateThursday, December 18, 2025
Status630 - NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER
Status DateThursday, December 18, 2025
Registration Number0000000
Registration DateNOT AVAILABLE
Mark Drawing4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form
Published for Opposition DateNOT AVAILABLE

Trademark Statements

Goods and ServicesProviding technical information in the field of pharmaceutical manufacturing; Manufacturing services for others in the field of siRNA synthesis; Custom manufacture of siRNA therapeutics; Custom manufacture of RNA utilizing proprietary enzymatic technologies to enable nucleic acid therapeutics development
Goods and ServicesScientific research and development; Research and development of small molecule RNA drugs; Research and development of siRNA drugs; RNA interference technology research

Classification Information

International Class040 - Treatment of materials.
US Class Codes100, 103, 106
Class Status Code6 - Active
Class Status DateThursday, December 18, 2025
Primary Code040
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE
International Class042 - 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 Codes100, 101
Class Status Code6 - Active
Class Status DateThursday, December 18, 2025
Primary Code042
First Use Anywhere DateNOT AVAILABLE
First Use In Commerce DateNOT AVAILABLE

Trademark Owner History

Party NameAlnylam Pharmaceuticals, Inc.
Party Type10 - Original Applicant
Legal Entity Type03 - Corporation
AddressCambridge, MA 02142

Trademark Events

Event DateEvent Description
Thursday, December 18, 2025NEW APPLICATION ENTERED
Thursday, December 18, 2025APPLICATION FILING RECEIPT MAILED

Related Keywords

sirelis development research sirna manufacture custom therapeutics manufacturing drugs field acid