Who owns the ELS trademark?

The ELS trademark is owned by Efficient Lighting Systems Pty Ltd.

What class is the ELS trademark registered in?

The ELS trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus).

What is the serial number for ELS?

The USPTO serial number for ELS is 79426011.

What is the registration number for ELS?

ELS is registered under USPTO registration number 8200373.

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Updated Sep 17, 2026·36 searches this week

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ELS

USPTO Trademark Record

REGISTERED

ELS

SN 79426011·Reg 8200373·Filed May 02, 2025

Owner Efficient Lighting Systems Pty Ltd

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

ELS (Serial No. 79426011), Registration No. 8200373, is a registered US trademark filed on May 02, 2025 by Efficient Lighting Systems Pty Ltd. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: April 07, 2032

Conflict Analysis

Full conflict analysis for ELS (SN 79426011) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

ELS (Reg. #8200373) is a registered US trademark that has been protecting its owner, Efficient Lighting Systems Pty Ltd, since 2025. The mark covers Class 011 (Lighting, heating, cooling & sanitary apparatus). Goods and services include Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply.... The mark faced 1 opposition proceeding during prosecution.

FILED

May 02, 2025

SERIAL

79426011

REG#

8200373

REGISTERED

Apr 07, 2026

Filing Information

StatusREGISTERED

Filing DateMay 02, 2025

Serial Number79426011

Registration No.8200373

Registration DateApr 07, 2026

Status DateApr 07, 2026

Published for OppositionFeb 17, 2026

Filing Basis & Declarations

Standard Characters ClaimedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

US codes: 013, 021, 023, 024, 031, 034

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

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

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Status History

20 events

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Jul 07, 2026

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Apr 07, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Apr 07, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Feb 17, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 17, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Feb 11, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 24, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jan 22, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 22, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 22, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Dec 05, 2025

REFUSAL PROCESSED BY IB

REFUSAL PROCESSED BY MPU

Nov 20, 2025

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Nov 20, 2025

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Oct 01, 2025

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Sep 30, 2025

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Sep 21, 2025

ASSIGNED TO EXAMINER

CHANGE OF NAME/ADDRESS REC'D FROM IB

Aug 01, 2025

CHANGE OF NAME/ADDRESS REC'D FROM IB

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 20, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Jun 20, 2025

APPLICATION FILING RECEIPT MAILED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Jun 19, 2025

SN ASSIGNED FOR SECT 66A APPL FROM IB

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