CHELEX
Live / Registered — Registered and renewed (as of 22 Jul 2026)
What this means for you
Registered since 17 Jun 1986. 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 17 Jun 2036: the §8 & §9 renewal).
Record
- Serial number
- 73552802
- Registration number
- 1397266
- Mark type
- Word mark
- Filed
- 09 Aug 1985
- Published for opposition
- 25 Mar 1986
- Registered
- 17 Jun 1986
- Current term from
- 17 Jun 2026
- Next maintenance filing
- §8 & §9 renewal, due by 17 Jun 2036 (grace period to 17 Dec 2036)
- Attorney of record
- Lamara Parnell
Goods and services
- Class 001 — Chemicals: ION EXCHANGE RESINS FOR RESEARCH AND ANALYTICAL LABORATORY USE
Owner
- BIO-RAD LABORATORIES, INC., HERCULES, CA, US
- BIO-RAD LABORATORIES, INC., RICHMOND, CA, US
- BIO-RAD LABORATORIES, INC., RICHMOND, CA, US
Prosecution history
- 22 Jul 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 22 Jul 2026 — REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
- 22 Jul 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 22 Jul 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 21 May 2026 — TEAS SECTION 8 & 9 RECEIVED
- 17 Jun 2025 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 16 Feb 2017 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 16 Feb 2017 — REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
- 16 Feb 2017 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 16 Feb 2017 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 14 Dec 2016 — TEAS SECTION 8 & 9 RECEIVED
- 13 Jun 2008 — CASE FILE IN TICRS
- 05 Jun 2006 — UNDELIVERABLE MAIL - NO ACTION TAKEN
- 30 May 2006 — PAPER RECEIVED
- 14 Apr 2006 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)