Who owns the SK trademark?

The SK trademark is owned by SK INC..

What class is the SK trademark registered in?

The SK trademark is registered in Class 004 (Industrial oils, fuels, lubricants & candles).

What is the serial number for SK?

The USPTO serial number for SK is 90575982.

What is the registration number for SK?

SK is registered under USPTO registration number 6742771.

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USPTO Trademark Record

REGISTERED

SK

SN 90575982·Reg 6742771·Filed Mar 12, 2021

Owner SK INC.

Industrial oils and greases, wax; lubricants; dust absorbing, wetting and binding compositions; fuels and illuminants; candles and wicks for lighting.

SK (Serial No. 90575982), Registration No. 6742771, is a registered US trademark filed on Mar 12, 2021 by SK INC.. This trademark covers Class 004 (Industrial oils, fuels, lubricants & candles).

early section 8: May 31, 2028

Conflict Analysis

Full conflict analysis for SK (SN 90575982) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

SK (Reg. #6742771) is a registered US trademark that has been protecting its owner, SK INC., since 2021. The mark covers Class 004 (Industrial oils, fuels, lubricants & candles). Goods and services include Industrial oils and greases, wax; lubricants; dust absorbing, wetting and binding compositions; fuels and illuminants; c.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 12, 2021

SERIAL

90575982

REG#

6742771

REGISTERED

May 31, 2022

Filing Information

StatusREGISTERED

Filing DateMar 12, 2021

Serial Number90575982

Registration No.6742771

Registration DateMay 31, 2022

Status DateMay 31, 2022

Published for OppositionMar 15, 2022

Filing Basis & Declarations

Trademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 004Industrial oils, fuels, lubricants & candles

US codes: 001, 006, 015

Industrial oils and greases, wax; lubricants; dust absorbing, wetting and binding compositions; fuels and illuminants; candles and wicks for lighting.

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

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Status History

25 events

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

Dec 12, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Dec 12, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 12, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Apr 22, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 22, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 22, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Apr 22, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

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

Feb 26, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 26, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 26, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

May 31, 2022

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 31, 2022

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Mar 15, 2022

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 15, 2022

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Feb 23, 2022

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 10, 2022

APPROVED FOR PUB - PRINCIPAL REGISTER

SUSPENSION CHECKED - TO ATTORNEY FOR ACTION

Jan 10, 2022

SUSPENSION CHECKED - TO ATTORNEY FOR ACTION

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jul 07, 2021

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

SUSPENSION LETTER WRITTEN

Jun 29, 2021

SUSPENSION LETTER WRITTEN

LETTER OF SUSPENSION E-MAILED

Jun 29, 2021

LETTER OF SUSPENSION E-MAILED

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

Jun 29, 2021

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

ASSIGNED TO EXAMINER

Jun 21, 2021

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jun 15, 2021

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 13, 2021

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 16, 2021

NEW APPLICATION ENTERED

Other Marks by SK INC.

Additional USPTO filings from the same owner.

IFA

IFACTS

98898932

SK Inc.

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SKL

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SKB

SK BIOTECH

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SK Inc.

REGISTERED

SKT

SK TES

98445696

SK Inc.

REGISTERED

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