Who owns the NIUKNOW trademark?

The NIUKNOW trademark is owned by Ma Yuanqiang.

What class is the NIUKNOW trademark registered in?

The NIUKNOW trademark is registered in Class 008 (Hand tools, cutlery & side arms).

What is the serial number for NIUKNOW?

The USPTO serial number for NIUKNOW is 90183985.

What is the registration number for NIUKNOW?

NIUKNOW is registered under USPTO registration number 6361826.

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Updated Sep 28, 2026·26 searches this week

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USPTO Trademark Record

REGISTERED

NIUKNOW

SN 90183985·Reg 6361826·Filed Sep 16, 2020

Owner Ma Yuanqiang

Hand-operated hand tools and implements; cutlery; side arms, except firearms; razors.

NIUKNOW (Serial No. 90183985), Registration No. 6361826, is a registered US trademark filed on Sep 16, 2020 by Ma Yuanqiang. This trademark covers Class 008 (Hand tools, cutlery & side arms).

Section 8/9 declaration window: May 26, 2031

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Mark Intelligence

NIUKNOW (Reg. #6361826) is a registered US trademark that has been protecting its owner, Ma Yuanqiang, since 2020. The mark covers Class 008 (Hand tools, cutlery & side arms). Goods and services include Hand-operated hand tools and implements; cutlery; side arms, except firearms; razors.. The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 16, 2020

SERIAL

90183985

REG#

6361826

REGISTERED

May 25, 2021

Filing Information

StatusREGISTERED

Filing DateSep 16, 2020

Serial Number90183985

Registration No.6361826

Registration DateMay 25, 2021

Status DateAug 10, 2026

Published for OppositionMar 09, 2021

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 008Hand tools, cutlery & side arms

US codes: 023, 028, 044

First use anywhere: Jun 12, 2020

First use in commerce: Jun 12, 2020

Hand-operated hand tools and implements; cutlery; side arms, except firearms; razors.

This description is as filed with the USPTO and defines the scope of trademark protection.

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Status History

15 events

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Aug 10, 2026

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Aug 10, 2026

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

Aug 09, 2026

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 30, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

POST REGISTRATION ACTION MAILED - SEC. 8

Jul 30, 2026

POST REGISTRATION ACTION MAILED - SEC. 8

TEAS SECTION 8 RECEIVED

May 29, 2026

TEAS SECTION 8 RECEIVED

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

May 25, 2026

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

REGISTERED-PRINCIPAL REGISTER

May 25, 2021

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Mar 09, 2021

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 09, 2021

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Feb 17, 2021

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 01, 2021

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Jan 29, 2021

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 22, 2020

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 19, 2020

NEW APPLICATION ENTERED

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