Who owns the KORTRIFESS trademark?

The KORTRIFESS trademark is owned by SIWEN FENG.

What class is the KORTRIFESS trademark registered in?

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

What is the serial number for KORTRIFESS?

The USPTO serial number for KORTRIFESS is 99475540.

What is the registration number for KORTRIFESS?

KORTRIFESS is registered under USPTO registration number 8282450.

KOR

USPTO Trademark Record

REGISTERED

KORTRIFESS

SN 99475540·Reg 8282450·Filed Nov 03, 2025

Owner SIWEN FENG

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.

KORTRIFESS (Serial No. 99475540), Registration No. 8282450, is a registered US trademark filed on Nov 03, 2025 by SIWEN FENG. This trademark covers Class 009 (Electronics, software & scientific instruments).

early section 8: June 02, 2032

Mark Intelligence

KORTRIFESS (Reg. #8282450) is a registered US trademark that has been protecting its owner, SIWEN FENG, 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

Nov 03, 2025

SERIAL

99475540

REG#

8282450

REGISTERED

Jun 02, 2026

Owner

Applicant

SIWEN FENG

Entity

Individual

Address

Room 513, No. 24, Yuntaili, Yuexiu District,, Guangzhou City, 510030

Country

Attorney

NameYIPIN ZHANG

Address

206 North King Ave, Massapequa, NY 11758, United States

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Filing Information

StatusREGISTERED

Filing DateNov 03, 2025

Serial Number99475540

Registration No.8282450

Registration DateJun 02, 2026

Status DateJun 02, 2026

Published for OppositionApr 14, 2026

Mark TypeStandard characters

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: Aug 21, 2025

First use in commerce: Aug 21, 2025

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

Status History

10 events

REGISTERED-PRINCIPAL REGISTER

Jun 02, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jun 02, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Apr 14, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 14, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 08, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 19, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Mar 16, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 11, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Nov 03, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Nov 03, 2025

APPLICATION FILING RECEIPT MAILED

KORTRIFESS

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