Who owns the KEYEUST trademark?

The KEYEUST trademark is owned by Xuexian Li.

What class is the KEYEUST trademark registered in?

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

What is the serial number for KEYEUST?

The USPTO serial number for KEYEUST is 99512497.

What is the registration number for KEYEUST?

KEYEUST is registered under USPTO registration number 8303601.

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Updated Oct 19, 2026·34 searches this week

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KEY

USPTO Trademark Record

REGISTERED

KEYEUST

SN 99512497·Reg 8303601·Filed Nov 24, 2025

Owner Xuexian Li

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

KEYEUST (Serial No. 99512497), Registration No. 8303601, is a registered US trademark filed on Nov 24, 2025 by Xuexian Li. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: June 16, 2032

Mark Intelligence

KEYEUST (Reg. #8303601) is a registered US trademark that has been protecting its owner, Xuexian Li, since 2025. 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

Nov 24, 2025

SERIAL

99512497

REG#

8303601

REGISTERED

Jun 16, 2026

Filing Information

StatusREGISTERED

Filing DateNov 24, 2025

Serial Number99512497

Registration No.8303601

Registration DateJun 16, 2026

Status DateJun 16, 2026

Published for OppositionApr 28, 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: Oct 08, 2025

First use in commerce: Oct 08, 2025

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

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

Jul 30, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 30, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 30, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Jul 30, 2026

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

REGISTERED-PRINCIPAL REGISTER

Jun 16, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jun 16, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Apr 28, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 28, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 22, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Mar 28, 2026

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 28, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 12, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Nov 24, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Nov 24, 2025

APPLICATION FILING RECEIPT MAILED

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