Who owns the CHIEFLEX trademark?

The CHIEFLEX trademark is owned by Fei Zhou.

What class is the CHIEFLEX trademark registered in?

The CHIEFLEX trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations).

What is the serial number for CHIEFLEX?

The USPTO serial number for CHIEFLEX is 99419468.

What is the registration number for CHIEFLEX?

CHIEFLEX is registered under USPTO registration number 8251176.

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Home Search: CHIEFLEXCHIEFLEX #99419468

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Updated Sep 20, 2026·11 searches this week

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CHI

USPTO Trademark Record

REGISTERED

CHIEFLEX

SN 99419468·Reg 8251176·Filed Sep 29, 2025

Owner Fei Zhou

Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and substances adapted for medical or veterinary purposes, food for babies; dietary supplements for human beings and animals; adhesive plasters, materials for dressings; material for filling teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides.

CHIEFLEX (Serial No. 99419468), Registration No. 8251176, is a registered US trademark filed on Sep 29, 2025 by Fei Zhou. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

early section 8: May 12, 2032

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Mark Intelligence

CHIEFLEX (Reg. #8251176) is a registered US trademark that has been protecting its owner, Fei Zhou, since 2025. The mark covers Class 005 (Pharmaceuticals, medical & veterinary preparations). Goods and services include Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and subs.... The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 29, 2025

SERIAL

99419468

REG#

8251176

REGISTERED

May 12, 2026

Filing Information

StatusREGISTERED

Filing DateSep 29, 2025

Serial Number99419468

Registration No.8251176

Registration DateMay 12, 2026

Status DateMay 12, 2026

Published for OppositionMar 24, 2026

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 005Pharmaceuticals, medical & veterinary preparations

US codes: 005, 006, 018, 044, 046, 051, 052

First use anywhere: Sep 15, 2025

First use in commerce: Sep 15, 2025

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

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Status History

17 events

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

May 17, 2026

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

WITHDRAWAL OF ATTORNEY GRANTED

May 17, 2026

WITHDRAWAL OF ATTORNEY GRANTED

REGISTERED-PRINCIPAL REGISTER

May 12, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 12, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Mar 24, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 24, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 18, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Feb 25, 2026

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Feb 25, 2026

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Feb 25, 2026

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Feb 25, 2026

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 25, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Feb 19, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 18, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Feb 18, 2026

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION ENTERED

Sep 29, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Sep 29, 2025

APPLICATION FILING RECEIPT MAILED

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