Who owns the DDKKN trademark?

The DDKKN trademark is owned by Guojun, Sun.

What class is the DDKKN trademark registered in?

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

What is the serial number for DDKKN?

The USPTO serial number for DDKKN is 98634135.

What is the registration number for DDKKN?

DDKKN is registered under USPTO registration number 8191363.

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Updated Sep 29, 2026·27 searches this week

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DDK

USPTO Trademark Record

REGISTERED

DDKKN

SN 98634135·Reg 8191363·Filed Jul 05, 2024

Owner Guojun, Sun

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

DDKKN (Serial No. 98634135), Registration No. 8191363, is a registered US trademark filed on Jul 05, 2024 by Guojun, Sun. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: March 31, 2032

Conflict Analysis

Full conflict analysis for DDKKN (SN 98634135) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

DDKKN (Reg. #8191363) is a registered US trademark that has been protecting its owner, Guojun, Sun, since 2024. 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

Jul 05, 2024

SERIAL

98634135

REG#

8191363

REGISTERED

Mar 31, 2026

Filing Information

StatusREGISTERED

Filing DateJul 05, 2024

Serial Number98634135

Registration No.8191363

Registration DateMar 31, 2026

Status DateMar 31, 2026

Published for OppositionFeb 10, 2026

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: Apr 23, 2024

First use in commerce: Apr 23, 2024

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

14 events

REGISTERED-PRINCIPAL REGISTER

Mar 31, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 31, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Feb 10, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 10, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Feb 04, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 16, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

SUSPENSION CHECKED - TO ATTORNEY FOR ACTION

Dec 22, 2025

SUSPENSION CHECKED - TO ATTORNEY FOR ACTION

Jun 18, 2025

SUSPENSION CHECKED - TO ATTORNEY FOR ACTION

ASSIGNED TO EXAMINER

Dec 17, 2024

ASSIGNED TO EXAMINER

SUSPENSION LETTER WRITTEN

Dec 17, 2024

SUSPENSION LETTER WRITTEN

LETTER OF SUSPENSION E-MAILED

Dec 17, 2024

LETTER OF SUSPENSION E-MAILED

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

Dec 17, 2024

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

NEW APPLICATION ENTERED

Jul 05, 2024

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 05, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

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YII

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Additional USPTO filings handled by the same attorney of record.

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98775709

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BEB

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DDKKN

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