SIREN Trademark

Serial Number: 99736904

SIREN is a trademark filed by Siren Biotechnology, Inc. on March 31, 2026. The trademark is classified under Class 5 (Pharmaceuticals), Class 42 (Computer & Scientific). The application is currently pending registration.

Trademark Classes

5

Class 5 - Pharmaceuticals

Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes

42

Class 42 - Computer & Scientific

Scientific and technological services; industrial analysis and research services

Owner Contact Info

Siren Biotechnology, Inc. (17 trademarks)

953 Indiana Street
San Francisco, CA 94107

Entity Type: 03

Legal Representation

Correspondence Address

Siren Biotechnology, Inc.

953 Indiana Street

San Francisco, CA 94107

United States

Trademark Details

Filing Date

March 31, 2026

Registration Date

Not Registered

Published for Opposition

July 28, 2026

Goods & Services

Pharmaceutical preparations for gene therapy for the treatment of cancer

Research and development in the pharmaceutical and biotechnology fields

Filing History

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 28, 2026 NPUB

PUBLISHED FOR OPPOSITION

Jul 28, 2026 PUBO

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 22, 2026 NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 28, 2026 CNSA

ASSIGNED TO EXAMINER

Jun 28, 2026 DOCK

APPLICATION FILING RECEIPT MAILED

Mar 31, 2026 MAFR

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 31, 2026 NWOS

NEW APPLICATION ENTERED

Mar 31, 2026 NWAP

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