Who owns the DUIZUI trademark?

The DUIZUI trademark is owned by Chen, Jianji.

What class is the DUIZUI trademark registered in?

The DUIZUI trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus).

What is the serial number for DUIZUI?

The USPTO serial number for DUIZUI is 90213229.

What is the registration number for DUIZUI?

DUIZUI is registered under USPTO registration number 6407798.

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Updated Oct 1, 2026·28 searches this week

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DUI

USPTO Trademark Record

REGISTERED

DUIZUI

SN 90213229·Reg 6407798·Filed Sep 26, 2020

Owner Chen, Jianji

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

DUIZUI (Serial No. 90213229), Registration No. 6407798, is a registered US trademark filed on Sep 26, 2020 by Chen, Jianji. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

Renewal window: July 06, 2027278 days remaining

Conflict Analysis

Full conflict analysis for DUIZUI (SN 90213229) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

DUIZUI (Reg. #6407798) is a registered US trademark that has been protecting its owner, Chen, Jianji, since 2020. The mark covers Class 011 (Lighting, heating, cooling & sanitary apparatus). Goods and services include Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply.... The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 26, 2020

SERIAL

90213229

REG#

6407798

REGISTERED

Jul 06, 2021

Filing Information

StatusREGISTERED

Filing DateSep 26, 2020

Serial Number90213229

Registration No.6407798

Registration DateJul 06, 2021

Status DateJul 06, 2021

Published for OppositionApr 20, 2021

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

US codes: 013, 021, 023, 024, 031, 034

First use anywhere: Aug 19, 2020

First use in commerce: Aug 19, 2020

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

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

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Status History

16 events

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Jul 06, 2026

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

REGISTERED-PRINCIPAL REGISTER

Jul 06, 2021

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Apr 20, 2021

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 20, 2021

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 31, 2021

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Mar 17, 2021

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Mar 17, 2021

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Mar 17, 2021

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Mar 17, 2021

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 17, 2021

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Feb 17, 2021

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Feb 17, 2021

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Feb 17, 2021

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Feb 17, 2021

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 06, 2020

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 30, 2020

NEW APPLICATION ENTERED

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