Who owns the MUXWELL trademark?

The MUXWELL trademark is owned by Zhicheng Xian.

What class is the MUXWELL trademark registered in?

The MUXWELL trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for MUXWELL?

The USPTO serial number for MUXWELL is 99564699.

What is the registration number for MUXWELL?

MUXWELL is registered under USPTO registration number 8399146.

MUX

USPTO Trademark Record

REGISTERED

MUXWELL

SN 99564699·Reg 8399146·Filed Dec 24, 2025

Owner Zhicheng Xian

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.

MUXWELL (Serial No. 99564699), Registration No. 8399146, is a registered US trademark filed on Dec 24, 2025 by Zhicheng Xian. This trademark covers Class 009 (Electronics, software & scientific instruments).

early section 8: August 18, 2032

Mark Intelligence

MUXWELL (Reg. #8399146) is a registered US trademark that has been protecting its owner, Zhicheng Xian, since 2025. The mark covers Class 009 (Electronics, software & scientific instruments). Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Dec 24, 2025

SERIAL

99564699

REG#

8399146

REGISTERED

Aug 18, 2026

Owner

Applicant

Zhicheng Xian

Entity

Individual

Address

16C, BLDG 10, Sunshine Palm Garden, No. 169, Qianhai Rd.,Nanshan Dist.,, Shenzhen,Guangdong, 518000

Country

Attorney

NameMonte Albers de Leon

Law firm

Monte Albers de Leon Albers de Leon LLC

Address

33 West 60th Street, Second Floor, New York, NY 10023, United States

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Filing Information

StatusREGISTERED

Filing DateDec 24, 2025

Serial Number99564699

Registration No.8399146

Registration DateAug 18, 2026

Status DateAug 18, 2026

Published for OppositionJun 30, 2026

Mark TypeDesign with words

Status DescriptionLive and registered

Filing Signals

FILED

2025

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: Sep 27, 2024

First use in commerce: Sep 27, 2024

This description is as filed with the USPTO and defines the scope of trademark protection.

Status History

17 events

REGISTERED-PRINCIPAL REGISTER

Aug 18, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 18, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 30, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 30, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 24, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 03, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jun 01, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 01, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 01, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

May 01, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

May 01, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

May 01, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Apr 27, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 15, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Apr 15, 2026

NOTICE OF DESIGN SEARCH CODE E-MAILED

APPLICATION FILING RECEIPT MAILED

Dec 24, 2025

APPLICATION FILING RECEIPT MAILED

NEW APPLICATION ENTERED

Dec 24, 2025

NEW APPLICATION ENTERED

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