Who owns the HELSI trademark?

The HELSI trademark is owned by HELSI - GUARDIANS OF GLOBAL HEALTH L.L.C.-FZ.

What class is the HELSI trademark registered in?

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

What is the serial number for HELSI?

The USPTO serial number for HELSI is 79408516.

What is the registration number for HELSI?

HELSI is registered under USPTO registration number 8208646.

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USPTO Trademark Record

REGISTERED

HELSI

SN 79408516·Reg 8208646·Filed Sep 11, 2024

Owner HELSI - GUARDIANS OF GLOBAL HEALTH L.L.C.-FZ

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

HELSI (Serial No. 79408516), Registration No. 8208646, is a registered US trademark filed on Sep 11, 2024 by HELSI - GUARDIANS OF GLOBAL HEALTH L.L.C.-FZ. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: April 14, 2032

Conflict Analysis

Full conflict analysis for HELSI (SN 79408516) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

HELSI (Reg. #8208646) is a registered US trademark that has been protecting its owner, HELSI - GUARDIANS OF GLOBAL HEALTH L.L.C.-FZ, since 2024. 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 4 opposition proceedings during prosecution.

FILED

Sep 11, 2024

SERIAL

79408516

REG#

8208646

REGISTERED

Apr 14, 2026

Filing Information

StatusREGISTERED

Filing DateSep 11, 2024

Serial Number79408516

Registration No.8208646

Registration DateApr 14, 2026

Status DateApr 14, 2026

Published for OppositionFeb 24, 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

34 events

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Jul 14, 2026

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Apr 16, 2026

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

REGISTERED-PRINCIPAL REGISTER

Apr 14, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Apr 14, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Mar 30, 2026

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Mar 29, 2026

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

PUBLISHED FOR OPPOSITION

Feb 24, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 24, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Feb 18, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 03, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS REQUEST FOR RECONSIDERATION RECEIVED

Jan 23, 2026

TEAS REQUEST FOR RECONSIDERATION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 23, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 23, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

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

Jan 22, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 22, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 22, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Jan 22, 2026

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

FINAL REFUSAL WRITTEN

Sep 15, 2025

FINAL REFUSAL WRITTEN

FINAL REFUSAL E-MAILED

Sep 15, 2025

FINAL REFUSAL E-MAILED

NOTIFICATION OF FINAL REFUSAL EMAILED

Sep 15, 2025

NOTIFICATION OF FINAL REFUSAL EMAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Aug 16, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 16, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 16, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

May 17, 2025

REFUSAL PROCESSED BY IB

REFUSAL PROCESSED BY MPU

Apr 29, 2025

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Apr 29, 2025

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

CHANGE OF OWNER RECEIVED FROM IB

Apr 18, 2025

CHANGE OF OWNER RECEIVED FROM IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Mar 18, 2025

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Mar 17, 2025

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Mar 12, 2025

ASSIGNED TO EXAMINER

LIMITATION FROM ORIGINAL APPLICATION ENTERED

Nov 06, 2024

LIMITATION FROM ORIGINAL APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 06, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Nov 06, 2024

APPLICATION FILING RECEIPT MAILED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Oct 31, 2024

SN ASSIGNED FOR SECT 66A APPL FROM IB

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