VIASTEM
Live / Applied — Fourth extension granted (statement of use) (as of 07 Nov 2025)
What this means for you
Not registered yet, but its 01 Oct 2020 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
- 90229351
- Mark type
- Stylized text
- Filed
- 01 Oct 2020
- Published for opposition
- 12 Sept 2023
- Attorney of record
- Vladimir Arezina
Goods and services
- Class 001 — Chemicals: Cell cryopreservation solution for clinical and scientific laboratory use
Owner
- Protide Pharmaceuticals, Inc., Crystal Lake, IL, US
- Protide Pharmaceuticals, Inc., Crystal Lake, IL, US
Prosecution history
- 08 Nov 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 07 Nov 2025 — SOU EXTENSION 4 GRANTED
- 07 Nov 2025 — SOU EXTENSION 4 FILED
- 07 Nov 2025 — SOU TEAS EXTENSION RECEIVED
- 03 Apr 2025 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 02 Apr 2025 — SOU EXTENSION 3 GRANTED
- 02 Apr 2025 — SOU EXTENSION 3 FILED
- 02 Apr 2025 — SOU TEAS EXTENSION RECEIVED
- 30 Oct 2024 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 30 Oct 2024 — SOU EXTENSION 2 GRANTED
- 30 Oct 2024 — SOU EXTENSION 2 FILED
- 30 Oct 2024 — SOU TEAS EXTENSION RECEIVED
- 07 May 2024 — NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
- 06 May 2024 — SOU EXTENSION 1 FILED
- 06 May 2024 — SOU TEAS EXTENSION RECEIVED