Who owns the DEFYXEL trademark?

The DEFYXEL trademark is owned by Siwill Defei Technology Co., Ltd..

What class is the DEFYXEL trademark registered in?

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

What is the serial number for DEFYXEL?

The USPTO serial number for DEFYXEL is 99447573.

What is the registration number for DEFYXEL?

DEFYXEL is registered under USPTO registration number 8261903.

DEF

USPTO Trademark Record

REGISTERED

DEFYXEL

SN 99447573·Reg 8261903·Filed Oct 16, 2025

Owner Siwill Defei Technology Co., Ltd.

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.

DEFYXEL (Serial No. 99447573), Registration No. 8261903, is a registered US trademark filed on Oct 16, 2025 by Siwill Defei Technology Co., Ltd.. This trademark covers Class 009 (Electronics, software & scientific instruments).

early section 8: May 19, 2032

Mark Intelligence

DEFYXEL (Reg. #8261903) is a registered US trademark that has been protecting its owner, Siwill Defei Technology Co., Ltd., 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

Oct 16, 2025

SERIAL

99447573

REG#

8261903

REGISTERED

May 19, 2026

Owner

Applicant

Siwill Defei Technology Co., Ltd.

Entity

Not Provided

Address

No. 109, 1st Floor, Zijin Plaza, Shuihua Road, Dongcheng Subdistrict, Sihui City, 526200

Country

Attorney

NameSteven Winer

Law firm

Steven Winer Brown Brothers Law LLP

Address

1827 Harley Drive, Ann Arbor, MI 48103, United States

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Filing Information

StatusREGISTERED

Filing DateOct 16, 2025

Serial Number99447573

Registration No.8261903

Registration DateMay 19, 2026

Status DateMay 19, 2026

Published for OppositionMar 31, 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 10, 2025

First use in commerce: Aug 10, 2025

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

Status History

11 events

REGISTERED-PRINCIPAL REGISTER

May 19, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 19, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 19, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Mar 31, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 31, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 25, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 06, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Mar 04, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Oct 16, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Oct 16, 2025

APPLICATION FILING RECEIPT MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 16, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

DEFYXEL

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