Who owns the EF trademark?

The EF trademark is owned by EventForce, Inc.

What is the serial number for EF?

The USPTO serial number for EF is 86170395.

What is the registration number for EF?

EF is registered under USPTO registration number 4728764.

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Updated Sep 17, 2026·30 searches this week

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USPTO Trademark Record

REGISTERED

EF

Q: What class is the EF trademark registered in?

The EF trademark is registered in Class 035 (Advertising, business management & retail services), Class 036 (Insurance, financial & real estate services).

SN 86170395·Reg 4728764·Filed Jan 21, 2014

Owner EventForce, Inc

Advertising; business management, organization and administration; office functions.; Financial, monetary and banking services; insurance services; real estate services.

EF (Serial No. 86170395), Registration No. 4728764, is a registered US trademark filed on Jan 21, 2014 by EventForce, Inc. This trademark covers Class 035 (Advertising, business management & retail services), Class 036 (Insurance, financial & real estate services).

Section 8/9 declaration window: April 30, 2035

Conflict Analysis

Full conflict analysis for EF (SN 86170395) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

EF (Reg. #4728764) is a registered US trademark that has been protecting its owner, EventForce, Inc, since 2014. The mark covers Class 035 (Advertising, business management & retail services) and Class 036 (Insurance, financial & real estate services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Financial, monetary and banking se.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 21, 2014

SERIAL

86170395

REG#

4728764

REGISTERED

Apr 28, 2015

Filing Information

StatusREGISTERED

Filing DateJan 21, 2014

Serial Number86170395

Registration No.4728764

Registration DateApr 28, 2015

Status DateSep 01, 2025

Published for OppositionJun 03, 2014

Filing Basis & Declarations

Use Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Nov 30, 2013

First use in commerce: Nov 30, 2013

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

Class 036Insurance, financial & real estate services

US codes: 100, 101, 102

First use anywhere: Nov 30, 2013

First use in commerce: Nov 30, 2013

Financial, monetary and banking services; insurance services; real estate services.

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

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Status History

33 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Sep 01, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Sep 01, 2025

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Sep 01, 2025

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Sep 01, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Apr 28, 2025

TEAS SECTION 8 & 9 RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Apr 28, 2024

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 16, 2021

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - PARTIAL SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Jan 16, 2021

REGISTERED - PARTIAL SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Jan 16, 2021

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 03, 2020

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Nov 03, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 03, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Nov 03, 2020

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 03, 2020

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS SECTION 8 & 15 RECEIVED

Oct 13, 2020

TEAS SECTION 8 & 15 RECEIVED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Apr 28, 2020

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 20, 2015

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Apr 28, 2015

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Mar 21, 2015

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Mar 20, 2015

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

STATEMENT OF USE PROCESSING COMPLETE

Mar 17, 2015

STATEMENT OF USE PROCESSING COMPLETE

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Mar 09, 2015

CASE ASSIGNED TO INTENT TO USE PARALEGAL

TEAS STATEMENT OF USE RECEIVED

Jan 29, 2015

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Jan 29, 2015

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jul 29, 2014

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Jun 03, 2014

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 03, 2014

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 14, 2014

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 25, 2014

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Apr 24, 2014

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Feb 01, 2014

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 31, 2014

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jan 24, 2014

NEW APPLICATION ENTERED

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