Who owns the WEIDASI trademark?

The WEIDASI trademark is owned by WU, LEWEI.

What class is the WEIDASI trademark registered in?

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

What is the serial number for WEIDASI?

The USPTO serial number for WEIDASI is 99472617.

What is the registration number for WEIDASI?

WEIDASI is registered under USPTO registration number 8273536.

Sealvo

Home Search: WEIDASIWEIDASI #99472617

Back

Updated Oct 1, 2026·16 searches this week

View on USPTO TSDR Find similar marks

WEI

USPTO Trademark Record

REGISTERED

WEIDASI

SN 99472617·Reg 8273536·Filed Oct 31, 2025

Owner WU, LEWEI

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

WEIDASI (Serial No. 99472617), Registration No. 8273536, is a registered US trademark filed on Oct 31, 2025 by WU, LEWEI. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: May 26, 2032

Conflict Analysis

Full conflict analysis for WEIDASI (SN 99472617) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

WEIDASI (Reg. #8273536) is a registered US trademark that has been protecting its owner, WU, LEWEI, 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

Oct 31, 2025

SERIAL

99472617

REG#

8273536

REGISTERED

May 26, 2026

Filing Information

StatusREGISTERED

Filing DateOct 31, 2025

Serial Number99472617

Registration No.8273536

Registration DateMay 26, 2026

Status DateMay 26, 2026

Published for OppositionApr 07, 2026

Filing Basis & Declarations

Filed 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: May 26, 2020

First use in commerce: May 26, 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.

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

11 events

REGISTERED-PRINCIPAL REGISTER

May 26, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 26, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 26, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Apr 07, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 07, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 01, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Mar 16, 2026

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 16, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 11, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Oct 31, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Oct 31, 2025

APPLICATION FILING RECEIPT MAILED

Other Marks by WU, LEWEI

Additional USPTO filings from the same owner.

WEI

WEIDASI

99496428

WU, LEWEI

REGISTERED

WEI

WEIDASI

98490979

WU, LEWEI

REGISTERED

Other Marks in Class 011 — Lighting, heating, cooling & sanitary apparatus

Recently filed and registered marks in the same international class.

WEI

WEIDASI

98490979

WU, LEWEI

REGISTERED

WEI

WEIDASI

97892495

Shenzhen Jietesen Electronic Technology Co., Ltd

ABANDONED

WEI

WEIDASI

79296450

Lewei Wu

ABANDONED

Other Marks by YIPIN ZHANG

Additional USPTO filings handled by the same attorney of record.

ALM

ALMA

99547484

REGISTERED

GEN

GEN2

98967376

REGISTERED

AIQ

AIQP

99616621

REGISTERED

VEI

VEILHOUR

99616640

REGISTERED

WEIDASI

Run a conflict check

Other Marks by WU, LEWEI

Other Marks in Class 011 — Lighting, heating, cooling & sanitary apparatus

Other Marks by YIPIN ZHANG

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company