Who owns the KETSLON trademark?

The KETSLON trademark is owned by Zhongfeng Gan.

What class is the KETSLON trademark registered in?

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

What is the serial number for KETSLON?

The USPTO serial number for KETSLON is 99652877.

What is the registration number for KETSLON?

KETSLON is registered under USPTO registration number 8421773.

KET

USPTO Trademark Record

REGISTERED

KETSLON

SN 99652877·Reg 8421773·Filed Feb 13, 2026

Owner Zhongfeng Gan

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.

KETSLON (Serial No. 99652877), Registration No. 8421773, is a registered US trademark filed on Feb 13, 2026 by Zhongfeng Gan. This trademark covers Class 009 (Electronics, software & scientific instruments).

early section 8: September 01, 2032

Mark Intelligence

KETSLON (Reg. #8421773) is a registered US trademark that has been protecting its owner, Zhongfeng Gan, since 2026. 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

Feb 13, 2026

SERIAL

99652877

REG#

8421773

REGISTERED

Sep 01, 2026

Owner

Applicant

Zhongfeng Gan

Entity

Individual

Address

No. 66 Jiugan, Quanshan Community, Bangtou Town, Xianyou County, Fujian, 351256

Country

Attorney

NameAaron Schulze

Law firm

Aaron Schulze --NONE--

Address

149 Commonwealth Dr, Suite 1042, Menlo Park, CA 94025, United States

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Filing Information

StatusREGISTERED

Filing DateFeb 13, 2026

Serial Number99652877

Registration No.8421773

Registration DateSep 01, 2026

Status DateSep 01, 2026

Published for OppositionJul 14, 2026

Mark TypeStandard characters

Status DescriptionLive and registered

Filing Signals

FILED

2026

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: Dec 22, 2025

First use in commerce: Dec 22, 2025

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

Status History

10 events

REGISTERED-PRINCIPAL REGISTER

Sep 01, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 01, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jul 14, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 14, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 08, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Jun 13, 2026

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 13, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 12, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Feb 13, 2026

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Feb 13, 2026

APPLICATION FILING RECEIPT MAILED

KETSLON

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