PURON
Live / Registered — Registered and renewed (as of 06 Jan 2026)
What this means for you
Registered since 20 Oct 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 20 Oct 2025).
Record
- Serial number
- 86383988
- Registration number
- 4838006
- Mark type
- Stylized text
- Filed
- 03 Sept 2014
- Published for opposition
- 27 Jan 2015
- Registered
- 20 Oct 2015
- Next maintenance due
- 20 Oct 2025
- Attorney of record
- Jessica G. McDonald
Goods and services
- Class 011 — Environmental control apparatus: Ultrafiltration and microfiltration membranes, membrane modules and systems containing membranes and membrane modules used for the clarification, purification, and separation of water from other substances in municipal water, industrial water and waste water treatment applications
Owner
- KOVALUS SEPARATION SOLUTIONS, LLC, Wilmington, MA, US
- KOCH SEPARATION SOLUTIONS, INC., WILIMINGTON, MA, US
- Koch Membrane Systems GmbH, Aachen, DE
- Koch Membrane Systems GmbH, Aachen, DE
- Koch Membrane Systems GmbH, Aachen, DE
Prior registrations
Prosecution history
- 06 Jan 2026 — NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
- 06 Jan 2026 — REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
- 06 Jan 2026 — REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
- 06 Jan 2026 — CASE ASSIGNED TO POST REGISTRATION PARALEGAL
- 26 Sept 2025 — TEAS SECTION 8 & 9 RECEIVED
- 29 Apr 2025 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 29 Apr 2025 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
- 29 Apr 2025 — TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
- 29 Apr 2025 — APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
- 29 Apr 2025 — TEAS CHANGE OF OWNER ADDRESS RECEIVED
- 20 Oct 2024 — COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
- 20 Dec 2023 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 08 Nov 2023 — ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
- 08 Nov 2023 — TEAS CHANGE OF CORRESPONDENCE RECEIVED
- 08 Nov 2023 — ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED