Who owns the E4 trademark?

The E4 trademark is owned by E4 Security, Inc..

What class is the E4 trademark registered in?

The E4 trademark is registered in Class 045 (Legal, security & personal social services).

What is the serial number for E4?

The USPTO serial number for E4 is 99311521.

What is the registration number for E4?

E4 is registered under USPTO registration number 8166266.

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Updated Sep 24, 2026·18 searches this week

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USPTO Trademark Record

REGISTERED

E4

SN 99311521·Reg 8166266·Filed Jul 30, 2025

Owner E4 Security, Inc.

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

E4 (Serial No. 99311521), Registration No. 8166266, is a registered US trademark filed on Jul 30, 2025 by E4 Security, Inc.. This trademark covers Class 045 (Legal, security & personal social services).

early section 8: March 10, 2032

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Mark Intelligence

E4 (Reg. #8166266) is a registered US trademark that has been protecting its owner, E4 Security, Inc., since 2025. The mark covers Class 045 (Legal, security & personal social services). Goods and services include Legal services; security services for the physical protection of tangible property and individuals; dating services, onl.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 30, 2025

SERIAL

99311521

REG#

8166266

REGISTERED

Mar 10, 2026

Filing Information

StatusREGISTERED

Filing DateJul 30, 2025

Serial Number99311521

Registration No.8166266

Registration DateMar 10, 2026

Status DateMar 10, 2026

Published for OppositionJan 20, 2026

Filing Basis & Declarations

Filed as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 045Legal, security & personal social services

US codes: 100, 101

First use anywhere: Nov 30, 2005

First use in commerce: Nov 30, 2005

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

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