Who owns the PROTEK trademark?

The PROTEK trademark is owned by ECOLAB USA INC..

What class is the PROTEK trademark registered in?

The PROTEK trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations).

What is the serial number for PROTEK?

The USPTO serial number for PROTEK is 73391058.

What is the registration number for PROTEK?

PROTEK is registered under USPTO registration number 1394606.

Sealvo

Home Search: PROTEKPROTEK #73391058

Back

Updated Sep 19, 2026·35 searches this week

View on USPTO TSDR Find similar marks

PRO

USPTO Trademark Record

REGISTERED

PROTEK

SN 73391058·Reg 1394606·Filed Sep 28, 1982

Owner ECOLAB USA INC.

Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and substances adapted for medical or veterinary purposes, food for babies; dietary supplements for human beings and animals; adhesive plasters, materials for dressings; material for filling teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides.

PROTEK (Serial No. 73391058), Registration No. 1394606, is a registered US trademark filed on Sep 28, 1982 by ECOLAB USA INC.. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

renewal grace 40y period: November 27, 202669 days remaining

Conflict Analysis

Full conflict analysis for PROTEK (SN 73391058) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

PROTEK (Reg. #1394606) is a registered US trademark that has been protecting its owner, ECOLAB USA INC., since 1982. The mark covers Class 005 (Pharmaceuticals, medical & veterinary preparations). Goods and services include Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and subs.... The mark faced 5 opposition proceedings during prosecution.

FILED

Sep 28, 1982

SERIAL

73391058

REG#

1394606

REGISTERED

May 27, 1986

Filing Information

StatusREGISTERED

Filing DateSep 28, 1982

Serial Number73391058

Registration No.1394606

Registration DateMay 27, 1986

Status DateMar 23, 2016

Published for OppositionJun 05, 1984

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 005Pharmaceuticals, medical & veterinary preparations

US codes: 018

First use anywhere: Apr 08, 1982

First use in commerce: Apr 08, 1982

This description is as filed with the USPTO and defines the scope of trademark protection.

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

31 events

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Sep 16, 2025

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 16, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 16, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

May 27, 2025

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 23, 2016

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Mar 23, 2016

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Mar 23, 2016

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Mar 23, 2016

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Jan 18, 2016

TEAS SECTION 8 & 9 RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Feb 15, 2012

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

CASE FILE IN TICRS

Jun 18, 2008

CASE FILE IN TICRS

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Nov 18, 2006

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Nov 18, 2006

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

ASSIGNED TO PARALEGAL

Nov 03, 2006

ASSIGNED TO PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Sep 06, 2006

TEAS SECTION 8 & 9 RECEIVED

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

Sep 06, 2006

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 17, 2004

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Mar 27, 1992

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

Nov 04, 1991

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

REGISTERED-PRINCIPAL REGISTER

May 27, 1986

REGISTERED-PRINCIPAL REGISTER

OPPOSITION TERMINATED NO. 999999

Mar 06, 1986

OPPOSITION TERMINATED NO. 999999

OPPOSITION DISMISSED NO. 999999

Jan 27, 1986

OPPOSITION DISMISSED NO. 999999

OPPOSITION INSTITUTED NO. 999999

Dec 10, 1984

OPPOSITION INSTITUTED NO. 999999

Dec 10, 1984

OPPOSITION INSTITUTED NO. 999999

PUBLISHED FOR OPPOSITION

Jun 05, 1984

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Apr 11, 1984

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 05, 1984

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Feb 10, 1984

ASSIGNED TO EXAMINER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 09, 1984

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION MAILED

Jul 20, 1983

NON-FINAL ACTION MAILED

ASSIGNED TO EXAMINER

Jun 22, 1983

ASSIGNED TO EXAMINER

Other Marks by ECOLAB USA INC.

Additional USPTO filings from the same owner.

CRI

CRITICALRESIN

98188948

Ecolab USA Inc.

REGISTERED

POR

PORTA-FEED

98909085

Ecolab USA Inc.

REGISTERED

INS

INSPIRED BY SCIENCE. MADE FOR PROS.

99497608

Ecolab USA Inc.

REGISTERED

TRU

TRUEVIEW

98157093

Ecolab USA Inc.

REGISTERED

Other Marks in Class 005 — Pharmaceuticals, medical & veterinary preparations

Recently filed and registered marks in the same international class.

PRO

PROTEK

87617619

Troy Technology II, Inc.

REGISTERED

PRO

PROTEK

75833934

Nutramax Laboratories, Inc.

ABANDONED

PRO

PROTEK

73808754

GYNOPHARMA INC.

ABANDONED

PRO

PROTEK

71331034

KOHLER CO.

ABANDONED

Other Marks by Christopher M. Kindel

Additional USPTO filings handled by the same attorney of record.

ONB

ONBLENDS

99395789

REGISTERED

CRI

CRITICALRESIN

98188948

REGISTERED

LUC

LUCKIN COFFEE

98950811

REGISTERED

LOG

LogoMark

88453054

REGISTERED

PROTEK

Run a conflict check

Other Marks by ECOLAB USA INC.

Other Marks in Class 005 — Pharmaceuticals, medical & veterinary preparations

Other Marks by Christopher M. Kindel

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company