Who owns the QFLEM trademark?

The QFLEM trademark is owned by Guifang Yi.

What class is the QFLEM trademark registered in?

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

What is the serial number for QFLEM?

The USPTO serial number for QFLEM is 98890271.

What is the registration number for QFLEM?

QFLEM is registered under USPTO registration number 7904463.

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Updated Sep 19, 2026·28 searches this week

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USPTO Trademark Record

REGISTERED

QFLEM

SN 98890271·Reg 7904463·Filed Dec 07, 2024

Owner Guifang Yi

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

QFLEM (Serial No. 98890271), Registration No. 7904463, is a registered US trademark filed on Dec 07, 2024 by Guifang Yi. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: August 19, 2031

Conflict Analysis

Full conflict analysis for QFLEM (SN 98890271) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

QFLEM (Reg. #7904463) is a registered US trademark that has been protecting its owner, Guifang Yi, 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

Dec 07, 2024

SERIAL

98890271

REG#

7904463

REGISTERED

Aug 19, 2025

Filing Information

StatusREGISTERED

Filing DateDec 07, 2024

Serial Number98890271

Registration No.7904463

Registration DateAug 19, 2025

Status DateAug 19, 2025

Published for OppositionJul 01, 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 10, 2024

First use in commerce: Jul 10, 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

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

May 27, 2026

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

WITHDRAWAL OF ATTORNEY GRANTED

May 27, 2026

WITHDRAWAL OF ATTORNEY GRANTED

REGISTERED-PRINCIPAL REGISTER

Aug 19, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 19, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jul 01, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 01, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 25, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

May 27, 2025

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

May 27, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

May 27, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

May 27, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 27, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 27, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Dec 07, 2024

NEW APPLICATION ENTERED

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