Who owns the QIFUN trademark?

The QIFUN trademark is owned by Li Weifeng.

What class is the QIFUN trademark registered in?

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

What is the serial number for QIFUN?

The USPTO serial number for QIFUN is 88547543.

What is the registration number for QIFUN?

QIFUN is registered under USPTO registration number 6045860.

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Updated Sep 24, 2026·10 searches this week

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QIF

USPTO Trademark Record

REGISTERED

QIFUN

SN 88547543·Reg 6045860·Filed Jul 29, 2019

Owner Li Weifeng

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

QIFUN (Serial No. 88547543), Registration No. 6045860, is a registered US trademark filed on Jul 29, 2019 by Li Weifeng. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

renewal grace 6y period: November 05, 202641 days remaining

Conflict Analysis

Full conflict analysis for QIFUN (SN 88547543) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

QIFUN (Reg. #6045860) is a registered US trademark that has been protecting its owner, Li Weifeng, since 2019. 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

Jul 29, 2019

SERIAL

88547543

REG#

6045860

REGISTERED

May 05, 2020

Filing Information

StatusREGISTERED

Filing DateJul 29, 2019

Serial Number88547543

Registration No.6045860

Registration DateMay 05, 2020

Status DateMay 05, 2020

Published for OppositionFeb 18, 2020

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, 031, 034

First use anywhere: Feb 26, 2019

First use in commerce: Feb 26, 2019

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

18 events

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

May 05, 2025

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

May 05, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

WITHDRAWAL OF ATTORNEY GRANTED

May 05, 2025

WITHDRAWAL OF ATTORNEY GRANTED

REGISTERED-PRINCIPAL REGISTER

May 05, 2020

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Feb 18, 2020

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 18, 2020

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 29, 2020

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 10, 2020

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 08, 2020

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 08, 2020

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO LIE

Jan 07, 2020

ASSIGNED TO LIE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Dec 16, 2019

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NON-FINAL ACTION WRITTEN

Oct 23, 2019

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Oct 23, 2019

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Oct 23, 2019

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Oct 22, 2019

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 09, 2019

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 01, 2019

NEW APPLICATION ENTERED

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