ZANVASTRO
LIVE

Serial Number

99503014

Owner

Ionis Pharmaceuticals, Inc.

Attorney

Paul C. Llewellyn

Filing Date

Nov 18, 2025

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ZANVASTRO Trademark

Serial Number: 99503014

ZANVASTRO is a trademark filed by Ionis Pharmaceuticals, Inc. on November 18, 2025. The trademark is classified under Class 5 (Pharmaceuticals), Class 44 (Medical Services). The application is currently pending registration.

Owner Contact Info

Ionis Pharmaceuticals, Inc. (8 trademarks)

2855 Gazelle Court
Carlsbad, CA 92010

Entity Type: 03

Trademark Details

Filing Date

November 18, 2025

Registration Date

Not Registered

Published for Opposition

May 5, 2026

Goods & Services

Pharmaceutical preparations and substances for the treatment of neurodevelopmental and neurodegenerative diseases and disorders, leukodystrophy, demyelinating diseases and disorders, and hypomyelinating diseases and disorders; Pharmaceutical preparations and substances for the treatment of glial fibrillary acidic protein-associated diseases and disorders, Alexander Disease, seizures, ataxia, motor function disorders, cognitive function disorders, dysphagia, and swallowing disorders; Pharmaceutical preparations and substances for the treatment of autosomal dominant, autosomal recessive, genetic, neurologic, parasympathetic system, neuromuscular system, skeletomuscular system, central nervous system, epileptic, pulmonary, respiratory, ophthalmic, gastrointestinal, skin, metabolic, autoimmune and lymphoproliferative diseases and disorders; Pharmaceutical preparations containing zilganersen

Providing health information; providing healthcare information; medical information services provided via the Internet

Filing History

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
May 5, 2026 NPUB
PUBLISHED FOR OPPOSITION
May 5, 2026 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Apr 29, 2026 NONP
APPROVED FOR PUB - PRINCIPAL REGISTER
Apr 6, 2026 CNSA
ASSIGNED TO EXAMINER
Apr 2, 2026 DOCK
NOTICE OF DESIGN SEARCH CODE E-MAILED
Apr 1, 2026 MDSC
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Apr 1, 2026 NWOS
APPLICATION FILING RECEIPT MAILED
Nov 18, 2025 MAFR
NEW APPLICATION ENTERED
Nov 18, 2025 NWAP