Who owns the LEEF trademark?

The LEEF trademark is owned by THE WATER AND CARBON GROUP IP PTY LTD.

What is the serial number for LEEF?

The USPTO serial number for LEEF is 90077603.

What is the registration number for LEEF?

LEEF is registered under USPTO registration number 6533663.

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Updated Oct 7, 2026·28 searches this week

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LEE

USPTO Trademark Record

REGISTERED

LEEF

Q: What class is the LEEF trademark registered in?

The LEEF trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus), Class 040 (Treatment & processing of materials).

SN 90077603·Reg 6533663·Filed Jul 28, 2020

Owner THE WATER AND CARBON GROUP IP PTY LTD

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.; Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.

LEEF (Serial No. 90077603), Registration No. 6533663, is a registered US trademark filed on Jul 28, 2020 by THE WATER AND CARBON GROUP IP PTY LTD. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus), Class 040 (Treatment & processing of materials).

early section 8: October 26, 2027

Mark Intelligence

LEEF (Reg. #6533663) is a registered US trademark that has been protecting its owner, THE WATER AND CARBON GROUP IP PTY LTD, since 2020. The mark covers Class 011 (Lighting, heating, cooling & sanitary apparatus) and Class 040 (Treatment & processing of materials) respectively. 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

Jul 28, 2020

SERIAL

90077603

REG#

6533663

REGISTERED

Oct 26, 2021

Filing Information

StatusREGISTERED

Filing DateJul 28, 2020

Serial Number90077603

Registration No.6533663

Registration DateOct 26, 2021

Status DateOct 26, 2021

Published for OppositionAug 10, 2021

Filing Basis & Declarations

Trademark

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.

Class 040Treatment & processing of materials

US codes: 100, 103, 106

Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.

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

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Status History

26 events

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

May 06, 2026

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

Mar 03, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 03, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 03, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Oct 26, 2021

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Aug 10, 2021

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 10, 2021

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 21, 2021

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 06, 2021

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 17, 2021

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 17, 2021

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO LIE

Jun 16, 2021

ASSIGNED TO LIE

TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED

Mar 27, 2021

TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED

SUSPENSION LETTER WRITTEN

Mar 02, 2021

SUSPENSION LETTER WRITTEN

LETTER OF SUSPENSION E-MAILED

Mar 02, 2021

LETTER OF SUSPENSION E-MAILED

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

Mar 02, 2021

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

TEAS/EMAIL CORRESPONDENCE ENTERED

Feb 09, 2021

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Dec 22, 2020

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 22, 2020

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Nov 20, 2020

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Nov 20, 2020

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Nov 20, 2020

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Nov 16, 2020

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Aug 27, 2020

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 26, 2020

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jul 31, 2020

NEW APPLICATION ENTERED

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