Who owns the EF trademark?

The EF trademark is owned by CFS Nutrition, LLC.

What is the serial number for EF?

The USPTO serial number for EF is 99261662.

What is the registration number for EF?

EF is registered under USPTO registration number 8238978.

USPTO Trademark Record

REGISTERED

EF

Q: What class is the EF trademark registered in?

The EF trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations), Class 021 (Household utensils, cookware & glassware).

SN 99261662·Reg 8238978·Filed Jul 01, 2025

Owner CFS Nutrition, LLC

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.; Household or kitchen utensils and containers; cookware and tableware, except forks, knives and spoons; combs and sponges; brushes, except paintbrushes; brush-making materials; articles for cleaning purposes; unworked or semi-worked glass, except building glass; glassware, porcelain and earthenware.

EF (Serial No. 99261662), Registration No. 8238978, is a registered US trademark filed on Jul 01, 2025 by CFS Nutrition, LLC. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations), Class 021 (Household utensils, cookware & glassware).

early section 8: May 05, 2032

Mark Intelligence

EF (Reg. #8238978) is a registered US trademark that has been protecting its owner, CFS Nutrition, LLC, since 2025. The mark covers Class 005 (Pharmaceuticals, medical & veterinary preparations) and Class 021 (Household utensils, cookware & glassware) respectively. 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

Jul 01, 2025

SERIAL

99261662

REG#

8238978

REGISTERED

May 05, 2026

Owner

Applicant

CFS Nutrition, LLC

Entity

LLC

State

Address

PO Box 900, Rochester, WA, 98579

Country

Attorney

NameThomas Dunlap

Law firm

Thomas Dunlap Dunlap Bennett & Ludwig PLLC

Docket

018359-003

Address

211 Church St SE, Leesburg, VA 20175, United States

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Filing Information

StatusREGISTERED

Filing DateJul 01, 2025

Serial Number99261662

Registration No.8238978

Registration DateMay 05, 2026

Status DateMay 05, 2026

Published for OppositionMar 17, 2026

Mark TypeStylized characters

Attorney Docket018359-003

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 005Pharmaceuticals, medical & veterinary preparations

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

First use anywhere: Feb 02, 2013

First use in commerce: Feb 02, 2013

Class 021Household utensils, cookware & glassware

US codes: 002, 013, 023, 029, 030, 033, 040, 050

First use anywhere: Feb 02, 2013

First use in commerce: Feb 02, 2013

Household or kitchen utensils and containers; cookware and tableware, except forks, knives and spoons; combs and sponges; brushes, except paintbrushes; brush-making materials; articles for cleaning purposes; unworked or semi-worked glass, except building glass; glassware, porcelain and earthenware.

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

Status History

16 events

REGISTERED-PRINCIPAL REGISTER

May 05, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 05, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Mar 17, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 17, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 11, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 23, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jan 26, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 26, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 26, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO EXAMINER

Nov 19, 2025

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Nov 19, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Nov 19, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Nov 19, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 05, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jul 01, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Jul 01, 2025

APPLICATION FILING RECEIPT MAILED

EF

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