Who owns the DAYU trademark?

The DAYU trademark is owned by Beijing Dayu Water-Saving Development Co., Ltd..

What class is the DAYU trademark registered in?

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

What is the serial number for DAYU?

The USPTO serial number for DAYU is 99404866.

What is the registration number for DAYU?

DAYU is registered under USPTO registration number 8230929.

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Updated Oct 19, 2026·33 searches this week

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DAY

USPTO Trademark Record

REGISTERED

DAYU

SN 99404866·Reg 8230929·Filed Sep 22, 2025

Owner Beijing Dayu Water-Saving Development Co., Ltd.

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

DAYU (Serial No. 99404866), Registration No. 8230929, is a registered US trademark filed on Sep 22, 2025 by Beijing Dayu Water-Saving Development Co., Ltd.. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: April 28, 2032

Mark Intelligence

DAYU (Reg. #8230929) is a registered US trademark that has been protecting its owner, Beijing Dayu Water-Saving Development Co., 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

Sep 22, 2025

SERIAL

99404866

REG#

8230929

REGISTERED

Apr 28, 2026

Filing Information

StatusREGISTERED

Filing DateSep 22, 2025

Serial Number99404866

Registration No.8230929

Registration DateApr 28, 2026

Status DateApr 28, 2026

Published for OppositionMar 10, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

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

First use anywhere: May 22, 2025

First use in commerce: May 22, 2025

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

14 events

REGISTERED-PRINCIPAL REGISTER

Apr 28, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Apr 28, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

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

EXAMINERS AMENDMENT -WRITTEN

Feb 13, 2026

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Feb 13, 2026

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Feb 13, 2026

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Feb 13, 2026

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 13, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Feb 12, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 09, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 22, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Sep 22, 2025

APPLICATION FILING RECEIPT MAILED

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Additional USPTO filings from the same owner.

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Beijing Dayu Water-Saving Development Co., Ltd.

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DAY

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Beijing Dayu Water-Saving Development Co., Ltd.

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DAY

DAYU

99404870

Beijing Dayu Water-Saving Development Co., Ltd.

ABANDONED

AMI

AMIAO

99528872

Beijing Dayu Water-Saving Development Co., Ltd.

ABANDONED

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DIS

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