Who owns the FONSGUARD trademark?

The FONSGUARD trademark is owned by Yi Xiao.

What class is the FONSGUARD trademark registered in?

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

What is the serial number for FONSGUARD?

The USPTO serial number for FONSGUARD is 99496373.

What is the registration number for FONSGUARD?

FONSGUARD is registered under USPTO registration number 8388566.

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Home Search: FONSGUARDFONSGUARD #99496373

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Updated Sep 26, 2026·12 searches this week

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FON

USPTO Trademark Record

REGISTERED

FONSGUARD

SN 99496373·Reg 8388566·Filed Nov 14, 2025

Owner Yi Xiao

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

FONSGUARD (Serial No. 99496373), Registration No. 8388566, is a registered US trademark filed on Nov 14, 2025 by Yi Xiao. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: August 11, 2032

Conflict Analysis

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Mark Intelligence

FONSGUARD (Reg. #8388566) is a registered US trademark that has been protecting its owner, Yi Xiao, 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

Nov 14, 2025

SERIAL

99496373

REG#

8388566

REGISTERED

Aug 11, 2026

Filing Information

StatusREGISTERED

Filing DateNov 14, 2025

Serial Number99496373

Registration No.8388566

Registration DateAug 11, 2026

Status DateAug 11, 2026

Published for OppositionJun 23, 2026

Filing Basis & Declarations

Filed 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: Sep 22, 2025

First use in commerce: Sep 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

17 events

REGISTERED-PRINCIPAL REGISTER

Aug 11, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 11, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 23, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 23, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 17, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 22, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 21, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 21, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

May 21, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Apr 24, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Apr 24, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Apr 24, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Mar 23, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 18, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Mar 18, 2026

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION ENTERED

Nov 14, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Nov 14, 2025

APPLICATION FILING RECEIPT MAILED

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