Who owns the EF trademark?

The EF trademark is owned by Echelon Flux LLC.

What class is the EF trademark registered in?

The EF trademark is registered in Class 025 (Clothing, footwear & headgear), Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

What is the serial number for EF?

The USPTO serial number for EF is 99640233.

What is the registration number for EF?

EF is registered under USPTO registration number 0.

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Updated Nov 2, 2026·33 searches this week

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EF

PENDING

Serial: 99640233
Reg: 0
Filed: Feb 07, 2026
Owner: Echelon Flux LLC

Clothing, footwear, headwear.; Advertising; business management, organization and administration; office functions.; Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

Full Goods & Services

Class 025Clothing, footwear & headgear

US codes: 022, 039

Clothing, footwear, headwear.

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

Advertising; business management, organization and administration; office functions.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

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

Filing Basis & Declarations

Trademark

Status History

16 events

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 28, 2026

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 05, 2026

Code CNSA

TEAS PETITION TO REVIVE RECEIVED

Oct 02, 2026

Code PROA

PETITION TO REVIVE-GRANTED

Oct 02, 2026

Code PETG

NOTICE OF REVIVAL - E-MAILED

Oct 02, 2026

Code NREV

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 02, 2026

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 02, 2026

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 02, 2026

Code TEME

ASSIGNED TO EXAMINER

Jun 05, 2026

Code DOCK

NON-FINAL ACTION WRITTEN

Jun 05, 2026

Code CNRT

NON-FINAL ACTION E-MAILED

Jun 05, 2026

Code GNRT

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jun 05, 2026

Code GNRN

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 04, 2026

Code NWOS

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jun 04, 2026

Code MDSM

NEW APPLICATION ENTERED

Feb 07, 2026

Code NWAP

APPLICATION FILING RECEIPT MAILED

Feb 07, 2026

Code MAFR

What usually happens from here

Of the 109,994 marks on the USPTO register that reached notification of notice of publication e-mailed:

Registered54% (59,319)

Abandoned39% (42,886)

Still pending7% (7,789)

Historical frequencies across the whole register, not a prediction about this mark. The outcome of any one application depends on what is filed and when.

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EF

Full Goods & Services

Filing Basis & Declarations

What usually happens from here

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