Who owns the MFXMF trademark?

The MFXMF trademark is owned by Bu SiQi.

What class is the MFXMF trademark registered in?

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

What is the serial number for MFXMF?

The USPTO serial number for MFXMF is 88200380.

What is the registration number for MFXMF?

MFXMF is registered under USPTO registration number 5781543.

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MFX

USPTO Trademark Record

REGISTERED

MFXMF

SN 88200380·Reg 5781543·Filed Nov 20, 2018

Owner Bu SiQi

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

MFXMF (Serial No. 88200380), Registration No. 5781543, is a registered US trademark filed on Nov 20, 2018 by Bu SiQi. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

Section 8/9 declaration window: June 18, 2029

Conflict Analysis

Full conflict analysis for MFXMF (SN 88200380) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

MFXMF (Reg. #5781543) is a registered US trademark that has been protecting its owner, Bu SiQi, since 2018. 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

Nov 20, 2018

SERIAL

88200380

REG#

5781543

REGISTERED

Jun 18, 2019

Filing Information

StatusREGISTERED

Filing DateNov 20, 2018

Serial Number88200380

Registration No.5781543

Registration DateJun 18, 2019

Status DateJan 02, 2026

Published for OppositionApr 02, 2019

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

US codes: 013, 021, 023, 031, 034

First use anywhere: Nov 01, 2018

First use in commerce: Nov 01, 2018

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

13 events

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Jan 02, 2026

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Jan 02, 2026

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 30, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 RECEIVED

Aug 25, 2025

TEAS SECTION 8 RECEIVED

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

Jun 18, 2024

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

REGISTERED-PRINCIPAL REGISTER

Jun 18, 2019

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Apr 02, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 02, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 13, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 28, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Feb 24, 2019

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 08, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Nov 23, 2018

NEW APPLICATION ENTERED

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MFXMF

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