STEMDIFF

Live / Registered — Registered and renewed (as of 13 Jun 2025)

What this means for you

Registered since 20 Jan 2015. The owner can stop confusingly similar uses in the classes it covers; it stays on the register as long as the owner keeps up the maintenance filings (next due by 20 Jan 2025).

Record

Serial number
85570389
Registration number
4673656
Mark type
Stylized text
Filed
15 Mar 2012
Published for opposition
12 Aug 2014
Registered
20 Jan 2015
Next maintenance due
20 Jan 2025
Attorney of record
Lisa M. Melanson

Goods and services

  • Class 001 — Chemicals: Tissue culture media, cell growth media for the in vitro development, maintenance, expansion, differentiation and assay of cells, for scientific research use or medical research use or laboratory use
  • Class 005 — Pharmaceuticals: [ Tissue culture media, cell growth media for the in vitro development, maintenance, expansion, differentiation and assay of cells, for medical, clinical or veterinary use ]

Owner

Prosecution history

  • 13 Jun 2025 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
  • 13 Jun 2025 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
  • 13 Jun 2025 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
  • 13 Jun 2025 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
  • 07 Jan 2025 — TEAS SECTION 8 & 9 RECEIVED
  • 20 Jan 2024 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
  • 26 Apr 2021 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
  • 26 Apr 2021 — REGISTERED - PARTIAL SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
  • 26 Apr 2021 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
  • 06 Jan 2021 — TEAS SECTION 8 & 15 RECEIVED
  • 20 Jan 2020 — COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
  • 24 Feb 2016 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
  • 20 Jan 2015 — REGISTERED-PRINCIPAL REGISTER
  • 27 Oct 2014 — 1(B) BASIS DELETED; PROCEED TO REGISTRATION
  • 08 Oct 2014 — NOTICE OF ALLOWANCE CANCELLED

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