Who owns the KENZEN trademark?

The KENZEN trademark is owned by Nikken, Inc..

What class is the KENZEN trademark registered in?

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

What is the serial number for KENZEN?

The USPTO serial number for KENZEN is 76573401.

What is the registration number for KENZEN?

KENZEN is registered under USPTO registration number 2918726.

Sealvo

Home Search: KENZENKENZEN #76573401

Back

Updated Sep 16, 2026·35 searches this week

View on USPTO TSDR Find similar marks

KEN

USPTO Trademark Record

REGISTERED

KENZEN

SN 76573401·Reg 2918726·Filed Jan 28, 2004

Owner Nikken, 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.

KENZEN (Serial No. 76573401), Registration No. 2918726, is a registered US trademark filed on Jan 28, 2004 by Nikken, Inc.. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

Section 8/9 declaration window: January 18, 2035

Conflict Analysis

Full conflict analysis for KENZEN (SN 76573401) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

KENZEN (Reg. #2918726) is a registered US trademark that has been protecting its owner, Nikken, Inc., since 2004. 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 1 opposition proceeding during prosecution.

FILED

Jan 28, 2004

SERIAL

76573401

REG#

2918726

REGISTERED

Jan 18, 2005

Filing Information

StatusREGISTERED

Filing DateJan 28, 2004

Serial Number76573401

Registration No.2918726

Registration DateJan 18, 2005

Status DateJan 30, 2025

Published for OppositionOct 26, 2004

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 005Pharmaceuticals, medical & veterinary preparations

US codes: 006, 018, 044, 046, 051, 052

First use anywhere: Dec 31, 2003

First use in commerce: Dec 31, 2003

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

40 events

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

Jan 30, 2025

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Jan 30, 2025

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Jan 30, 2025

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jan 24, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jan 24, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 24, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

Jul 30, 2024

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 01, 2024

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

POST REGISTRATION ACTION MAILED - SEC. 8 & 9

Jul 01, 2024

POST REGISTRATION ACTION MAILED - SEC. 8 & 9

TEAS SECTION 8 & 9 RECEIVED

Apr 02, 2024

TEAS SECTION 8 & 9 RECEIVED

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

Jan 18, 2024

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

May 08, 2019

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

May 08, 2019

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Feb 02, 2015

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Feb 02, 2015

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Feb 02, 2015

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Feb 02, 2015

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

TEAS SECTION 8 & 9 RECEIVED

Jan 16, 2015

TEAS SECTION 8 & 9 RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 04, 2014

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Nov 24, 2010

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Nov 23, 2010

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 15 RECEIVED

Nov 08, 2010

TEAS SECTION 8 & 15 RECEIVED

REGISTERED-PRINCIPAL REGISTER

Jan 18, 2005

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Oct 26, 2004

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Oct 06, 2004

NOTICE OF PUBLICATION

ASSIGNED TO LIE

Sep 02, 2004

ASSIGNED TO LIE

LAW OFFICE PUBLICATION REVIEW COMPLETED

Sep 02, 2004

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Sep 01, 2004

ASSIGNED TO LIE

USE AMENDMENT ACCEPTED

Aug 20, 2004

USE AMENDMENT ACCEPTED

AMENDMENT FROM APPLICANT ENTERED

Aug 20, 2004

AMENDMENT FROM APPLICANT ENTERED

AMENDMENT TO USE PROCESSING COMPLETE

Aug 20, 2004

AMENDMENT TO USE PROCESSING COMPLETE

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 20, 2004

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Aug 19, 2004

ASSIGNED TO EXAMINER

AMENDMENT FROM APPLICANT ENTERED

Jul 26, 2004

AMENDMENT FROM APPLICANT ENTERED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 22, 2004

CORRESPONDENCE RECEIVED IN LAW OFFICE

PAPER RECEIVED

Jul 22, 2004

PAPER RECEIVED

USE AMENDMENT FILED

Jul 22, 2004

USE AMENDMENT FILED

PAPER RECEIVED

Jul 20, 2004

PAPER RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 20, 2004

CORRESPONDENCE RECEIVED IN LAW OFFICE

NEW APPLICATION ENTERED

Feb 18, 2004

NEW APPLICATION ENTERED

Other Marks by Nikken, Inc.

Additional USPTO filings from the same owner.

HUM

HUMANS BEING MORE

76638492

Nikken, Inc.

REGISTERED

WEL

WELLNESS HOME

76466520

Nikken, Inc.

REGISTERED

JAD

JADE GREENZYMES

76522573

Nikken, Inc.

REGISTERED

DYN

DYNAFLUX

86103629

Nikken, Inc.

REGISTERED

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

Recently filed and registered marks in the same international class.

KEN

KENZEN

77421323

SATO PHARMACEUTICAL CO., LTD.

ABANDONED

KEN

KENZEN BDZ

88341947

Nikken International, Inc.

REGISTERED

KEN

KENZEN VITAL BALANCE

85808893

Nikken, Inc.

REGISTERED

KEN

KENZEN LACTOFERRIN

87597606

Nikken International, Inc.

ABANDONED

KENZEN

Run a conflict check

Other Marks by Nikken, Inc.

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

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company