ISOGRO
Live / Registered — Registered and renewed (as of 05 Mar 2026)
What this means for you
Registered since 04 Jun 1996. 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 04 Jun 2026).
Record
- Serial number
- 74369130
- Registration number
- 1977528
- Mark type
- Word mark
- Filed
- 19 Mar 1993
- Published for opposition
- 12 Mar 1996
- Registered
- 04 Jun 1996
- Next maintenance due
- 04 Jun 2026
- Attorney of record
- William C. Wright
Goods and services
- Class 001 — Chemicals: chemical preparation used for scientific research and industrial purposes; namely, growth medium for developing bacteria cultures
Owner
- MERCK KGAA, DARMSTADT, DE
- SIGMA-ALDRICH CO. LLC, ST. LOUIS, MO, US
- SIGMA-ALDRICH BIOTECHNOLOGY LP, ST. LOUIS, MO, US
- Isotec Inc., Miamisburg, OH, US
- Isotec Inc., Miamisburg, OH, US
- Isotec Inc., Miamisburg, OH, US
Prosecution history
- 05 Mar 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 05 Mar 2026 — REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
- 05 Mar 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 05 Mar 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 10 Dec 2025 — TEAS SECTION 8 & 9 RECEIVED
- 04 Jun 2025 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 20 May 2021 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 20 May 2021 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 20 May 2021 — TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
- 20 May 2021 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 20 May 2021 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 20 May 2021 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 28 Oct 2020 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 23 Aug 2016 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 23 Aug 2016 — REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)