Who owns the ESO trademark?

The ESO trademark is owned by Zenimax Media Inc..

What class is the ESO trademark registered in?

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

What is the serial number for ESO?

The USPTO serial number for ESO is 99248238.

What is the registration number for ESO?

ESO is registered under USPTO registration number 0.

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Updated Sep 27, 2026·18 searches this week

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ESO

USPTO Trademark Record

PENDING

ESO

SN 99248238·Reg 0·Filed Jun 23, 2025

Owner Zenimax Media Inc.

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

ESO (Serial No. 99248238), Registration No. 0, is a pending US trademark filed on Jun 23, 2025 by Zenimax Media Inc.. This trademark covers Class 041 (Education & entertainment services).

Statement of Use due: November 05, 202639 days remaining

Conflict Analysis

Full conflict analysis for ESO (SN 99248238) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

ESO (Reg. #0) is a pending US trademark that was filed in 2025 and is currently under USPTO examination. 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

Jun 23, 2025

SERIAL

99248238

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusPENDING

Filing DateJun 23, 2025

Serial Number99248238

Registration No.0

Registration DateDec 31, 1969

Status DateMay 05, 2026

Published for OppositionMar 10, 2026

Filing Basis & Declarations

Standard Characters Claimed

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.

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Status History

15 events

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

May 05, 2026

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Mar 10, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 10, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 04, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 10, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Feb 04, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Feb 04, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Feb 04, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

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

ASSIGNED TO EXAMINER

Nov 12, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 30, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jun 23, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Jun 23, 2025

APPLICATION FILING RECEIPT MAILED

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