Who owns the NANKO trademark?

The NANKO trademark is owned by Yao, Guolin.

What class is the NANKO trademark registered in?

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

What is the serial number for NANKO?

The USPTO serial number for NANKO is 90304544.

What is the registration number for NANKO?

NANKO is registered under USPTO registration number 6440346.

Sealvo

Home Search: NANKONANKO #90304544

Back

Updated Sep 20, 2026·42 searches this week

View on USPTO TSDR Find similar marks

NAN

USPTO Trademark Record

ABANDONED

NANKO

SN 90304544·Reg 6440346·Filed Nov 06, 2020

Owner Yao, Guolin

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

NANKO (Serial No. 90304544), Registration No. 6440346, is a abandoned US trademark filed on Nov 06, 2020 by Yao, Guolin. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

Conflict Analysis

Full conflict analysis for NANKO (SN 90304544) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

NANKO (Reg. #6440346) is an abandoned US trademark that was filed in 2020 but has since been abandoned. 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 06, 2020

SERIAL

90304544

REG#

6440346

REGISTERED

Aug 03, 2021

Filing Information

StatusABANDONED

Filing DateNov 06, 2020

Serial Number90304544

Registration No.6440346

Registration DateAug 03, 2021

Status DateAug 06, 2025

Published for OppositionMay 18, 2021

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: Oct 28, 2020

First use in commerce: Oct 28, 2020

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

26 events

ORDER FOR SANCTIONS

Aug 06, 2025

ORDER FOR SANCTIONS

ORDER FOR SANCTIONS - NOTICE EMAILED

Aug 06, 2025

ORDER FOR SANCTIONS - NOTICE EMAILED

TERMINATED AFTER SANCTIONS

Aug 06, 2025

TERMINATED AFTER SANCTIONS

NOTICE OF TERMINATION – EMAILED

Aug 06, 2025

NOTICE OF TERMINATION – EMAILED

ORDER RECONSIDERING REGISTRATION

Jul 28, 2025

ORDER RECONSIDERING REGISTRATION

ORDER RECONSIDERING REGISTRATION – NOTICE EMAILED

Jul 28, 2025

ORDER RECONSIDERING REGISTRATION – NOTICE EMAILED

RECONSIDERED – CANCELLED AND REOPENED

Jul 28, 2025

RECONSIDERED – CANCELLED AND REOPENED

NOTICE PROPOSING TO RECONSIDER REGISTRATION – EMAILED

Feb 24, 2025

NOTICE PROPOSING TO RECONSIDER REGISTRATION – EMAILED

NOTICE PROPOSING TO RECONSIDER REGISTRATION

Feb 24, 2025

NOTICE PROPOSING TO RECONSIDER REGISTRATION

SHOW CAUSE ORDER

Nov 27, 2023

SHOW CAUSE ORDER

Sep 07, 2022

SHOW CAUSE ORDER

REGISTERED-PRINCIPAL REGISTER

Aug 03, 2021

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

May 18, 2021

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 18, 2021

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 28, 2021

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 14, 2021

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Apr 13, 2021

ASSIGNED TO EXAMINER

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

Feb 04, 2021

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 04, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 04, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 07, 2021

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

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

Dec 24, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Dec 24, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Dec 24, 2020

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 24, 2020

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NEW APPLICATION ENTERED

Nov 10, 2020

NEW APPLICATION ENTERED

Other Marks by Yao, Guolin

Additional USPTO filings from the same owner.

NAN

NANKO

87378644

Yao, Guolin

REGISTERED

NAN

NANKO

90305790

Yao, Guolin

OTHERS

Other Marks by Zhang, Weibo

Additional USPTO filings handled by the same attorney of record.

GGO

G GOODENG

79427657

REGISTERED

LOG

LogoMark

79431327

REGISTERED

ALT

ALTAOG

79435642

REGISTERED

LAU

LAUFFER VISION

79423519

REGISTERED

NANKO

Run a conflict check

Other Marks by Yao, Guolin

Other Marks by Zhang, Weibo

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company