Who owns the LANGXUN trademark?

The LANGXUN trademark is owned by Yizai Tan.

What class is the LANGXUN trademark registered in?

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

What is the serial number for LANGXUN?

The USPTO serial number for LANGXUN is 99345466.

What is the registration number for LANGXUN?

LANGXUN is registered under USPTO registration number 8193368.

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Updated Oct 14, 2026·28 searches this week

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LAN

USPTO Trademark Record

REGISTERED

LANGXUN

SN 99345466·Reg 8193368·Filed Aug 19, 2025

Owner Yizai Tan

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

LANGXUN (Serial No. 99345466), Registration No. 8193368, is a registered US trademark filed on Aug 19, 2025 by Yizai Tan. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: March 31, 2032

Mark Intelligence

LANGXUN (Reg. #8193368) is a registered US trademark that has been protecting its owner, Yizai Tan, 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

Aug 19, 2025

SERIAL

99345466

REG#

8193368

REGISTERED

Mar 31, 2026

Filing Information

StatusREGISTERED

Filing DateAug 19, 2025

Serial Number99345466

Registration No.8193368

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: Sep 18, 2024

First use in commerce: Sep 18, 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

10 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

ASSIGNED TO EXAMINER

Jan 08, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 07, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 19, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Aug 19, 2025

APPLICATION FILING RECEIPT MAILED

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