EKC
Live / Registered — Registered and renewed (as of 30 Apr 2021)
What this means for you
Registered since 28 Dec 2010. 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 28 Dec 2020).
Record
- Serial number
- 85067255
- Registration number
- 3897490
- Mark type
- Stylized text
- Filed
- 21 Jun 2010
- Published for opposition
- 12 Oct 2010
- Registered
- 28 Dec 2010
- Next maintenance due
- 28 Dec 2020
Goods and services
- Class 001 — Chemicals: Chemicals used in the manufacture of goods in the semiconductor, photovoltaic and LED industries, namely, metal or metal oxide photoresist chemical remover, post etch remover, post etch cleaner, post etch treatments, and photoresist remover for the semiconductor, photovoltaic and LED industries
Owner
- EKC TECHNOLOGY INC., HAYWARD, CA, US
- DUPONT ELECTRONICS, INC., WILMINGTON, DE, US
- E. I. du Pont de Nemours and Company, Wilmington, DE, US
- E. I. du Pont de Nemours and Company, Wilmington, DE, US
- E. I. du Pont de Nemours and Company, Wilmington, DE, US
Prosecution history
- 30 Apr 2025 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 30 Apr 2021 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 30 Apr 2021 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
- 30 Apr 2021 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 30 Apr 2021 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 19 Jan 2021 — TEAS SECTION 8 & 9 RECEIVED
- 28 Dec 2019 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 03 Jul 2019 — AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
- 16 Feb 2017 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
- 16 Feb 2017 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
- 16 Feb 2017 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 09 Dec 2016 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 09 Dec 2016 — TEAS SECTION 8 & 15 RECEIVED
- 28 Dec 2010 — REGISTERED-PRINCIPAL REGISTER
- 12 Oct 2010 — OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED