Who owns the U-KNOCK trademark?

The U-KNOCK trademark is owned by DONG-A PENCIL CO., LTD..

What class is the U-KNOCK trademark registered in?

The U-KNOCK trademark is registered in Class 016 (Paper goods, books & stationery).

What is the serial number for U-KNOCK?

The USPTO serial number for U-KNOCK is 87422357.

What is the registration number for U-KNOCK?

U-KNOCK is registered under USPTO registration number 5509567.

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Home Search: U-KNOCKU-KNOCK #87422357

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Updated Sep 18, 2026·8 searches this week

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USPTO Trademark Record

REGISTERED

U-KNOCK

SN 87422357·Reg 5509567·Filed Apr 24, 2017

Owner DONG-A PENCIL CO., LTD.

Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furniture; adhesives for stationery or household purposes; drawing materials and materials for artists; paintbrushes; instructional and teaching materials; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks.

U-KNOCK (Serial No. 87422357), Registration No. 5509567, is a registered US trademark filed on Apr 24, 2017 by DONG-A PENCIL CO., LTD.. This trademark covers Class 016 (Paper goods, books & stationery).

Section 8/9 declaration window: July 03, 2028

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U-KNOCK (Reg. #5509567) is a registered US trademark that has been protecting its owner, DONG-A PENCIL CO., LTD., since 2017. The mark covers Class 016 (Paper goods, books & stationery). Goods and services include Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furnitu.... The mark faced 1 opposition proceeding during prosecution.

FILED

Apr 24, 2017

SERIAL

87422357

REG#

5509567

REGISTERED

Jul 03, 2018

Filing Information

StatusREGISTERED

Filing DateApr 24, 2017

Serial Number87422357

Registration No.5509567

Registration DateJul 03, 2018

Status DateApr 02, 2025

Published for OppositionJun 27, 2017

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 016Paper goods, books & stationery

US codes: 002, 005, 022, 023, 029, 037, 038, 050

First use anywhere: May 31, 1989

First use in commerce: Oct 21, 2017

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

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Status History

31 events

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Apr 02, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Apr 02, 2025

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Apr 02, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 15 RECEIVED

Dec 16, 2024

TEAS SECTION 8 & 15 RECEIVED

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

Jul 03, 2023

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

REGISTERED-PRINCIPAL REGISTER

Jul 03, 2018

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

May 29, 2018

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

May 26, 2018

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

TEAS/EMAIL CORRESPONDENCE ENTERED

May 11, 2018

TEAS/EMAIL CORRESPONDENCE ENTERED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 10, 2018

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 10, 2018

TEAS RESPONSE TO OFFICE ACTION RECEIVED

NON-FINAL ACTION E-MAILED

Apr 10, 2018

NON-FINAL ACTION E-MAILED

SU - NON-FINAL ACTION - WRITTEN

Apr 10, 2018

SU - NON-FINAL ACTION - WRITTEN

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Apr 10, 2018

NOTIFICATION OF NON-FINAL ACTION E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

Mar 14, 2018

STATEMENT OF USE PROCESSING COMPLETE

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Mar 12, 2018

CASE ASSIGNED TO INTENT TO USE PARALEGAL

USE AMENDMENT FILED

Feb 23, 2018

USE AMENDMENT FILED

TEAS STATEMENT OF USE RECEIVED

Feb 23, 2018

TEAS STATEMENT OF USE RECEIVED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Feb 20, 2018

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Feb 16, 2018

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 GRANTED

Feb 16, 2018

SOU EXTENSION 1 GRANTED

SOU EXTENSION 1 FILED

Feb 16, 2018

SOU EXTENSION 1 FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Aug 22, 2017

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 27, 2017

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Jun 27, 2017

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 07, 2017

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 17, 2017

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

May 16, 2017

ASSIGNED TO EXAMINER

NOTICE OF PSEUDO MARK E-MAILED

May 02, 2017

NOTICE OF PSEUDO MARK E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 01, 2017

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Apr 27, 2017

NEW APPLICATION ENTERED

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MYG

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