CISLEUKIN

Live / Applied — Fourth extension granted (statement of use) (as of 03 Nov 2025)

What this means for you

Not registered yet, but its 11 Nov 2022 filing date beats anything filed after it. If it registers, the owner can stop confusingly similar uses in the classes it covers.

Record

Serial number
97673066
Mark type
Stylized text
Filed
11 Nov 2022
Published for opposition
24 Oct 2023
Attorney of record
Andrew D. Skale

Goods and services

  • Class 042 — Scientific and technological services: Research and development of therapeutic antibodies and pharmaceuticals, and research and development of technology in the field of therapeutic antibodies and pharmaceuticals

Owner

Prosecution history

  • 03 Nov 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
  • 03 Nov 2025 — SOU EXTENSION 4 GRANTED
  • 03 Nov 2025 — SOU EXTENSION 4 FILED
  • 03 Nov 2025 — SOU TEAS EXTENSION RECEIVED
  • 17 May 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
  • 16 May 2025 — SOU EXTENSION 3 GRANTED
  • 16 May 2025 — SOU EXTENSION 3 FILED
  • 16 May 2025 — SOU TEAS EXTENSION RECEIVED
  • 03 Mar 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
  • 02 Dec 2024 — SOU EXTENSION 2 GRANTED
  • 02 Dec 2024 — SOU EXTENSION 2 FILED
  • 02 Dec 2024 — SOU TEAS EXTENSION RECEIVED
  • 13 Jun 2024 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
  • 11 May 2024 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
  • 10 May 2024 — SOU EXTENSION 1 GRANTED

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