Who owns the DERSIL trademark?

The DERSIL trademark is owned by Wei, Lanhua.

What class is the DERSIL trademark registered in?

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

What is the serial number for DERSIL?

The USPTO serial number for DERSIL is 98716833.

What is the registration number for DERSIL?

DERSIL is registered under USPTO registration number 7794773.

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Home Search: DERSILDERSIL #98716833

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Updated Sep 24, 2026·20 searches this week

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DER

USPTO Trademark Record

REGISTERED

DERSIL

SN 98716833·Reg 7794773·Filed Aug 26, 2024

Owner Wei, Lanhua

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

DERSIL (Serial No. 98716833), Registration No. 7794773, is a registered US trademark filed on Aug 26, 2024 by Wei, Lanhua. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: May 13, 2031

Conflict Analysis

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Mark Intelligence

DERSIL (Reg. #7794773) is a registered US trademark that has been protecting its owner, Wei, Lanhua, 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

Aug 26, 2024

SERIAL

98716833

REG#

7794773

REGISTERED

May 13, 2025

Filing Information

StatusREGISTERED

Filing DateAug 26, 2024

Serial Number98716833

Registration No.7794773

Registration DateMay 13, 2025

Status DateMay 13, 2025

Published for OppositionMar 25, 2025

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: Jul 08, 2024

First use in commerce: Jul 08, 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

12 events

REGISTERED-PRINCIPAL REGISTER

May 13, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 13, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

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

Mar 31, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 31, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 31, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

PUBLISHED FOR OPPOSITION

Mar 25, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 25, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 19, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Feb 28, 2025

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 28, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 17, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 26, 2024

NEW APPLICATION ENTERED

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