Who owns the EF trademark?

The EF trademark is owned by Congxian Lin.

What class is the EF trademark registered in?

The EF trademark is registered in Class 025 (Clothing, footwear & headgear).

What is the serial number for EF?

The USPTO serial number for EF is 99004247.

What is the registration number for EF?

EF is registered under USPTO registration number 7991694.

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Updated Oct 19, 2026·9 searches this week

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USPTO Trademark Record

REGISTERED

EF

SN 99004247·Reg 7991694·Filed Jan 16, 2025

Owner Congxian Lin

Clothing, footwear, headwear.

EF (Serial No. 99004247), Registration No. 7991694, is a registered US trademark filed on Jan 16, 2025 by Congxian Lin. This trademark covers Class 025 (Clothing, footwear & headgear).

early section 8: October 21, 2031

Mark Intelligence

EF (Reg. #7991694) is a registered US trademark that has been protecting its owner, Congxian Lin, since 2025. The mark covers Class 025 (Clothing, footwear & headgear). Goods and services include Clothing, footwear, headwear.. The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 16, 2025

SERIAL

99004247

REG#

7991694

REGISTERED

Oct 21, 2025

Filing Information

StatusREGISTERED

Filing DateJan 16, 2025

Serial Number99004247

Registration No.7991694

Registration DateOct 21, 2025

Status DateOct 21, 2025

Published for OppositionSep 02, 2025

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 025Clothing, footwear & headgear

US codes: 022, 039

First use anywhere: Dec 13, 2024

First use in commerce: Dec 13, 2024

Clothing, footwear, headwear.

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

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Status History

19 events

REGISTERED-PRINCIPAL REGISTER

Oct 21, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Oct 21, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Sep 02, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 02, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 27, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 30, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jul 28, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 28, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 28, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Jul 26, 2025

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 26, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 26, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NON-FINAL ACTION WRITTEN

Jul 11, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jul 11, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 11, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jun 26, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 18, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jun 18, 2025

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION ENTERED

Jan 18, 2025

NEW APPLICATION ENTERED

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