Who owns the EF trademark?

The EF trademark is owned by Signum International AG.

What class is the EF trademark registered in?

The EF trademark is registered in Class 041 (Education & entertainment services).

What is the serial number for EF?

The USPTO serial number for EF is 79243989.

What is the registration number for EF?

EF is registered under USPTO registration number 5864782.

Sealvo

Home Search: EFEF #79243989

Back

Updated Oct 20, 2026·22 searches this week

View on USPTO TSDR Find similar marks

USPTO Trademark Record

REGISTERED

EF

SN 79243989·Reg 5864782·Filed Jul 20, 2018

Owner Signum International AG

Education; providing of training; entertainment; sporting and cultural activities.

EF (Serial No. 79243989), Registration No. 5864782, is a registered US trademark filed on Jul 20, 2018 by Signum International AG. This trademark covers Class 041 (Education & entertainment services).

Section 8/9 declaration window: September 24, 2029

Mark Intelligence

EF (Reg. #5864782) is a registered US trademark that has been protecting its owner, Signum International AG, since 2018. The mark covers Class 041 (Education & entertainment services). Goods and services include Education; providing of training; entertainment; sporting and cultural activities.. The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 20, 2018

SERIAL

79243989

REG#

5864782

REGISTERED

Sep 24, 2019

Filing Information

StatusREGISTERED

Filing DateJul 20, 2018

Serial Number79243989

Registration No.5864782

Registration DateSep 24, 2019

Status DateJul 15, 2026

Published for OppositionJul 09, 2019

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 100, 101, 107

Education; providing of training; entertainment; sporting and cultural activities.

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

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

47 events

REGISTERED-SEC.71 ACCEPTED

Jul 15, 2026

REGISTERED-SEC.71 ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED

Jul 15, 2026

NOTICE OF ACCEPTANCE OF SEC. 71 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 13, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 71 RECEIVED

Mar 19, 2026

TEAS SECTION 71 RECEIVED

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

Dec 31, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Dec 31, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

Dec 31, 2024

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 31, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED

Sep 24, 2024

COURTESY REMINDER - SEC. 71 (6-YR) E-MAILED

CHANGE OF NAME/ADDRESS REC'D FROM IB

Dec 03, 2022

CHANGE OF NAME/ADDRESS REC'D FROM IB

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 16, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

Aug 16, 2022

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Aug 16, 2022

TEAS CHANGE OF OWNER ADDRESS RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 16, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Aug 16, 2022

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

NEW REPRESENTATIVE AT IB RECEIVED

Aug 06, 2022

NEW REPRESENTATIVE AT IB RECEIVED

Aug 06, 2020

NEW REPRESENTATIVE AT IB RECEIVED

FINAL DECISION TRANSACTION PROCESSED BY IB

Feb 07, 2020

FINAL DECISION TRANSACTION PROCESSED BY IB

FINAL DISPOSITION PROCESSED

Jan 17, 2020

FINAL DISPOSITION PROCESSED

FINAL DISPOSITION NOTICE SENT TO IB

Jan 17, 2020

FINAL DISPOSITION NOTICE SENT TO IB

REVIEW OF CORRESPONDENCE COMPLETE - ADDRESS UPDATED

Jan 08, 2020

REVIEW OF CORRESPONDENCE COMPLETE - ADDRESS UPDATED

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Dec 24, 2019

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 10, 2019

CORRESPONDENCE RECEIVED IN LAW OFFICE

REGISTERED-PRINCIPAL REGISTER

Sep 24, 2019

REGISTERED-PRINCIPAL REGISTER

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 09, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Jul 09, 2019

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 19, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

Jun 03, 2019

ASSIGNED TO LIE

APPROVED FOR PUB - PRINCIPAL REGISTER

May 20, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

May 16, 2019

TEAS/EMAIL CORRESPONDENCE ENTERED

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

May 15, 2019

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 15, 2019

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 15, 2019

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 15, 2019

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION MAILED

Apr 01, 2019

NON-FINAL ACTION MAILED

NON-FINAL ACTION WRITTEN

Mar 29, 2019

NON-FINAL ACTION WRITTEN

CORRECTION FROM IB ENTERED - ATTORNEY REVIEW REQUIRED

Feb 20, 2019

CORRECTION FROM IB ENTERED - ATTORNEY REVIEW REQUIRED

CORRECTION TRANSACTION RECEIVED FROM IB

Feb 08, 2019

CORRECTION TRANSACTION RECEIVED FROM IB

REFUSAL PROCESSED BY IB

Dec 21, 2018

REFUSAL PROCESSED BY IB

REFUSAL PROCESSED BY MPU

Dec 01, 2018

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Dec 01, 2018

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Nov 17, 2018

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Nov 16, 2018

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Nov 07, 2018

ASSIGNED TO EXAMINER

APPLICATION FILING RECEIPT MAILED

Nov 03, 2018

APPLICATION FILING RECEIPT MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 30, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Oct 25, 2018

SN ASSIGNED FOR SECT 66A APPL FROM IB

Other Marks by Signum International AG

Additional USPTO filings from the same owner.

EFW

EF WORLD JOURNEYS

97562838

Signum International AG

REGISTERED

87722368

Signum International AG

REGISTERED

HHU

H HULT PRIZE

79425186

Signum International AG

REGISTERED

ASH

ASHRIDGE

86338408

SIGNUM INTERNATIONAL AG

REGISTERED

Other Marks in Class 041 — Education & entertainment services

Recently filed and registered marks in the same international class.

88299335

Edelman Financial Engines, LLC

REGISTERED

98808876

Robinson, Ebony

REGISTERED

76168431

SIGNUM INTERNATIONAL AG

REGISTERED

87871496

ECHELON FRONT LLC

REGISTERED

Other Marks by Allison Strickland Ricketts

Additional USPTO filings handled by the same attorney of record.

KAP

KAPWA

79430240

REGISTERED

PRO

PROBIOSCOPY

79441301

REGISTERED

PAN

PANTHERA FUSION BAR

98315023

REGISTERED

OLY

OLYMPUS HOUSING CAPITAL

99315103

REGISTERED

EF

Run a conflict check

Other Marks by Signum International AG

Other Marks in Class 041 — Education & entertainment services

Other Marks by Allison Strickland Ricketts

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company