Who owns the NAUGHFUN trademark?

The NAUGHFUN trademark is owned by Xianjia Liu.

What class is the NAUGHFUN trademark registered in?

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

What is the serial number for NAUGHFUN?

The USPTO serial number for NAUGHFUN is 99419566.

What is the registration number for NAUGHFUN?

NAUGHFUN is registered under USPTO registration number 8321575.

Sealvo

Home Search: NAUGHFUNNAUGHFUN #99419566

Back

Updated Oct 25, 2026·24 searches this week

View on USPTO TSDR Find similar marks

NAU

USPTO Trademark Record

REGISTERED

NAUGHFUN

SN 99419566·Reg 8321575·Filed Sep 29, 2025

Owner Xianjia Liu

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

NAUGHFUN (Serial No. 99419566), Registration No. 8321575, is a registered US trademark filed on Sep 29, 2025 by Xianjia Liu. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: June 30, 2032

Mark Intelligence

NAUGHFUN (Reg. #8321575) is a registered US trademark that has been protecting its owner, Xianjia Liu, 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 29, 2025

SERIAL

99419566

REG#

8321575

REGISTERED

Jun 30, 2026

Filing Information

StatusREGISTERED

Filing DateSep 29, 2025

Serial Number99419566

Registration No.8321575

Registration DateJun 30, 2026

Status DateJun 30, 2026

Published for OppositionMay 12, 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: Sep 23, 2025

First use in commerce: Sep 23, 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.

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

16 events

REGISTERED-PRINCIPAL REGISTER

Jun 30, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jun 30, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

May 12, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 12, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 06, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

TEAS/EMAIL CORRESPONDENCE ENTERED

Apr 15, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 15, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Apr 14, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 14, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Feb 20, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Feb 20, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Feb 20, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Feb 19, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 10, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 29, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Sep 29, 2025

APPLICATION FILING RECEIPT MAILED

Other Marks by Xianjia Liu

Additional USPTO filings from the same owner.

DOW

DOWVES

99485800

Xianjia Liu

REGISTERED

QZZ

QZZTON

99485812

Xianjia Liu

REGISTERED

TIN

TINSWET

99459863

Xianjia Liu

REGISTERED

HUG

HUGPYZ

99485834

Xianjia Liu

REGISTERED

Other Marks by Kyle Leung

Additional USPTO filings handled by the same attorney of record.

LAE

LAEOCLUSA

99341998

REGISTERED

YOW

YOWPIEYQ

99344218

REGISTERED

WOD

WODUELKA

99351054

REGISTERED

BUL

BULORRA

99320127

REGISTERED

NAUGHFUN

Run a conflict check

Other Marks by Xianjia Liu

Other Marks by Kyle Leung

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company