Who owns the CTK trademark?

The CTK trademark is owned by CTK CO., LTD..

What is the serial number for CTK?

The USPTO serial number for CTK is 88053138.

What is the registration number for CTK?

CTK is registered under USPTO registration number 5709261.

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CTK

USPTO Trademark Record

REGISTERED

CTK

Q: What class is the CTK trademark registered in?

The CTK trademark is registered in Class 003 (Non-medicated cosmetics, toiletry preparations & cleaning preparations), Class 035 (Advertising, business management & retail services).

SN 88053138·Reg 5709261·Filed Jul 26, 2018

Owner CTK CO., LTD.

Non-medicated cosmetics and toiletry preparations; non-medicated dentifrices; perfumes; bleaching preparations and other substances for laundry use; cleaning, polishing and abrasive preparations.; Advertising; business management, organization and administration; office functions.

CTK (Serial No. 88053138), Registration No. 5709261, is a registered US trademark filed on Jul 26, 2018 by CTK CO., LTD.. This trademark covers Class 003 (Non-medicated cosmetics, toiletry preparations & cleaning preparations), Class 035 (Advertising, business management & retail services).

Section 8/9 declaration window: March 26, 2029

Conflict Analysis

Full conflict analysis for CTK (SN 88053138) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

CTK (Reg. #5709261) is a registered US trademark that has been protecting its owner, CTK CO., LTD., since 2018. The mark covers Class 003 (Non-medicated cosmetics, toiletry preparations & cleaning preparations) and Class 035 (Advertising, business management & retail services) respectively. Goods and services include Non-medicated cosmetics and toiletry preparations; non-medicated dentifrices; perfumes; bleaching preparations and other.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 26, 2018

SERIAL

88053138

REG#

5709261

REGISTERED

Mar 26, 2019

Filing Information

StatusREGISTERED

Filing DateJul 26, 2018

Serial Number88053138

Registration No.5709261

Registration DateMar 26, 2019

Status DateJul 02, 2025

Published for OppositionJan 08, 2019

Filing Basis & Declarations

Section 8 AcceptedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 003Non-medicated cosmetics, toiletry preparations & cleaning preparations

US codes: 001, 004, 006, 050, 051, 052

Non-medicated cosmetics and toiletry preparations; non-medicated dentifrices; perfumes; bleaching preparations and other substances for laundry use; cleaning, polishing and abrasive preparations.

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

Advertising; business management, organization and administration; office functions.

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

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Status History

28 events

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Feb 11, 2026

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Jul 02, 2025

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Jul 02, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 30, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 RECEIVED

Mar 25, 2025

TEAS SECTION 8 RECEIVED

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

Mar 26, 2024

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Oct 28, 2022

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Oct 28, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 28, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Oct 28, 2022

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

Oct 28, 2022

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 28, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Oct 28, 2022

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

REGISTERED-PRINCIPAL REGISTER

Mar 26, 2019

REGISTERED-PRINCIPAL REGISTER

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

Jan 16, 2019

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 16, 2019

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

PUBLISHED FOR OPPOSITION

Jan 08, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 08, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Dec 19, 2018

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

Dec 03, 2018

ASSIGNED TO LIE

EXAMINERS AMENDMENT -WRITTEN

Nov 13, 2018

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Nov 13, 2018

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Nov 13, 2018

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Nov 13, 2018

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Nov 13, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Nov 12, 2018

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 31, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jul 30, 2018

NEW APPLICATION ENTERED

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