Who owns the DUOPHY trademark?

The DUOPHY trademark is owned by Xia Qian.

What class is the DUOPHY trademark registered in?

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

What is the serial number for DUOPHY?

The USPTO serial number for DUOPHY is 99727720.

What is the registration number for DUOPHY?

DUOPHY is registered under USPTO registration number 0.

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Home Search: DUOPHYDUOPHY #99727720

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Updated Sep 19, 2026·37 searches this week

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USPTO Trademark Record

PENDING

DUOPHY

SN 99727720·Reg 0·Filed Mar 26, 2026

Owner Xia Qian

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

DUOPHY (Serial No. 99727720), Registration No. 0, is a pending US trademark filed on Mar 26, 2026 by Xia Qian. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

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DUOPHY (Reg. #0) is a pending US trademark that was filed in 2026 and is currently under USPTO examination. 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

Mar 26, 2026

SERIAL

99727720

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusPENDING

Filing DateMar 26, 2026

Serial Number99727720

Registration No.0

Registration DateDec 31, 1969

Status DateJul 28, 2026

Published for OppositionJul 28, 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: Mar 21, 2026

First use in commerce: Mar 22, 2026

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

12 events

PUBLISHED FOR OPPOSITION

Jul 28, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 28, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 22, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Jun 26, 2026

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Jun 26, 2026

EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jun 26, 2026

EXAMINER'S AMENDMENT ENTERED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jun 26, 2026

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 26, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Jun 25, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Mar 26, 2026

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 26, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Mar 26, 2026

APPLICATION FILING RECEIPT MAILED

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