ZLNANO-SPHERE
Live / Registered — Registered and renewed (as of 20 Feb 2026)
What this means for you
Registered since 24 Nov 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 24 Nov 2025).
Record
- Serial number
- 86147795
- Registration number
- 4860302
- Mark type
- Stylized text
- Filed
- 18 Dec 2013
- Published for opposition
- 28 Oct 2014
- Registered
- 24 Nov 2015
- Next maintenance due
- 24 Nov 2025
- Attorney of record
- Roberto Ledesma
Goods and services
- Class 001 — Chemicals: Industrial chemicals, namely, polyacrylamide for the oil, gas, pulp, paper, municipal wastewater, mining and agriculture industries
Owner
- ZL EOR Chemicals Ltd., VANCOUVER, BC, CA
- ZL EOR Chemicals Ltd., Calgary, AB T2N 0Z7, CA
- ZL EOR Chemicals Ltd., Calgary, AB T2N 0Z7, CA
Prosecution history
- 20 Feb 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 20 Feb 2026 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
- 20 Feb 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 20 Feb 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 21 Nov 2025 — TEAS SECTION 8 & 9 RECEIVED
- 24 Nov 2024 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 22 Jun 2022 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 22 Jun 2022 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 22 Jun 2022 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 22 Jun 2022 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 22 Jun 2022 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 02 Aug 2021 — NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
- 02 Aug 2021 — REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
- 02 Aug 2021 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 02 Apr 2021 — TEAS SECTION 8 & 15 RECEIVED