OPTILEUKIN

Live / Allowed — Notice of allowance issued (as of 16 Dec 2025)

What this means for you

Approved and waiting on proof of use. It will register unless the applicant drops it, and its 25 Apr 2025 filing date already counts against anyone who files later.

Record

Serial number
99155128
Mark type
Stylized text
Filed
25 Apr 2025
Published for opposition
21 Oct 2025
Attorney of record
Dianne M. Smith-Misemer

Goods and services

  • Class 001 — Chemicals: Recombinant cytokine proteins in raw material form for scientific and medical research use; Recombinant cytokine proteins for use in manufacture of pharmaceutical products, veterinary preparations, cellular therapies, gene therapies, regenerative medicines, and vaccines; Chemicals, namely, non-animal derived cell culture media for promoting cell growth, optimization, and productivity, for scientific and research use; Non-animal derived cell culture media for promoting cell growth, optimization, and productivity, for scientific, laboratory and medical research
  • Class 005 — Pharmaceuticals: Chemicals, namely, non-animal derived cell culture media for promoting cell growth, optimization, and productivity, for medical or veterinary purposes; Recombinant cytokine proteins for use as cell growth media for growing cells for clinical use; Recombinant cytokine proteins for use as reagents for clinical medical purposes; Recombinant cytokine protein arrays for clinical medical diagnosis purposes; Recombinant cytokine proteins sold as a component ingredient of therapeutic pharmaceuticals for the treatment of immune system related diseases and disorders; Recombinant cytokine proteins for use as reagents for medical use, for the optimization of in vitro expansion of cells; Pharmaceutical preparations, namely, cytokine drugs for the optimization of in vitro expansion of cells

Owner

Prosecution history

  • 31 Mar 2026 — TEAS STATEMENT OF USE RECEIVED
  • 16 Dec 2025 — NOA E-MAILED - SOU REQUIRED FROM APPLICANT
  • 21 Oct 2025 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
  • 21 Oct 2025 — PUBLISHED FOR OPPOSITION
  • 15 Oct 2025 — NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
  • 22 Sept 2025 — APPROVED FOR PUB - PRINCIPAL REGISTER
  • 22 Sept 2025 — EXAMINER'S AMENDMENT ENTERED
  • 22 Sept 2025 — NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
  • 22 Sept 2025 — EXAMINERS AMENDMENT E-MAILED
  • 22 Sept 2025 — EXAMINERS AMENDMENT -WRITTEN
  • 16 Sept 2025 — ASSIGNED TO EXAMINER
  • 03 Sept 2025 — NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
  • 25 Apr 2025 — APPLICATION FILING RECEIPT MAILED
  • 25 Apr 2025 — NEW APPLICATION ENTERED

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