CST
Live / Registered — Registered and renewed (as of 20 May 2026)
What this means for you
Registered since 15 Mar 2016. 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 15 Mar 2036: the §8 & §9 renewal).
Record
- Serial number
- 85668494
- Registration number
- 4918409
- Mark type
- Word mark
- Filed
- 03 Jul 2012
- Published for opposition
- 04 Dec 2012
- Registered
- 15 Mar 2016
- Current term from
- 15 Mar 2026
- Next maintenance filing
- §8 & §9 renewal, due by 15 Mar 2036 (grace period to 15 Sept 2036)
- Attorney of record
- Keith A. Weltsch, Esq.
Goods and services
- Class 042 — Scientific and technological services: Biological research in the field of proteomics and cellular signal transduction; diagnostic services in the field of proteomics and cellular signal transduction; [ consulting services in the fields of biotechnology, pharmaceutical research and developments, laboratory testing, diagnostics and pharmacogenetics; ]custom design and development of chemical reagents and biochemical assays for others; providing reagent sample testing and diagnostic services for others in the fields of science and scientific research
Owner
- Cell Signaling Technology, Inc., Danvers, MA, US
- Cell Signaling Technology, Inc., Danvers, MA, US
- Cell Signaling Technology, Inc., Danvers, MA, US
Prosecution history
- 20 May 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 20 May 2026 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
- 20 May 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 20 May 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 16 Mar 2026 — TEAS SECTION 8 & 9 RECEIVED
- 15 Mar 2025 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 06 Sept 2022 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
- 06 Sept 2022 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
- 06 Sept 2022 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 15 Mar 2022 — TEAS SECTION 8 & 15 RECEIVED
- 08 Mar 2022 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 08 Mar 2022 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 08 Mar 2022 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 15 Mar 2021 — COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
- 10 Feb 2020 — TEAS CHANGE OF CORRESPONDENCE RECEIVED