ZANVASTRO
Live / Allowed — Published for opposition (as of 17 Feb 2026)
What this means for you
Approved and waiting on proof of use. It will register unless the applicant drops it, and its 04 Mar 2025 filing date already counts against anyone who files later.
Record
- Serial number
- 99066176
- Mark type
- Stylized text
- Filed
- 04 Mar 2025
- Published for opposition
- 17 Feb 2026
- Attorney of record
- Paul C. Llewellyn
Goods and services
- Class 005 — Pharmaceuticals: 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
- Class 044 — Medical, beauty and agricultural services: Providing health information; providing healthcare information; medical information services provided via the Internet
Owner
- Ionis Pharmaceuticals, Inc., Carlsbad, CA, US
- Ionis Pharmaceuticals, Inc., Carlsbad, CA, US
Prosecution history
- 17 Feb 2026 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
- 17 Feb 2026 — PUBLISHED FOR OPPOSITION
- 11 Feb 2026 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
- 21 Jan 2026 — APPROVED FOR PUB - PRINCIPAL REGISTER
- 16 Jan 2026 — TEAS/EMAIL CORRESPONDENCE ENTERED
- 16 Jan 2026 — CORRESPONDENCE RECEIVED IN LAW OFFICE
- 16 Jan 2026 — TEAS REQUEST FOR RECONSIDERATION RECEIVED
- 13 Dec 2025 — NOTIFICATION OF FINAL REFUSAL EMAILED
- 13 Dec 2025 — FINAL REFUSAL E-MAILED
- 13 Dec 2025 — FINAL REFUSAL WRITTEN
- 05 Nov 2025 — TEAS/EMAIL CORRESPONDENCE ENTERED
- 05 Nov 2025 — CORRESPONDENCE RECEIVED IN LAW OFFICE
- 05 Nov 2025 — TEAS RESPONSE TO OFFICE ACTION RECEIVED
- 08 Oct 2025 — TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
- 08 Oct 2025 — TEAS CHANGE OF CORRESPONDENCE RECEIVED