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 045 (Legal, security & personal social services).

What is the serial number for SK?

The USPTO serial number for SK is 88937763.

What is the registration number for SK?

SK is registered under USPTO registration number 6304527.

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Updated Sep 24, 2026·20 searches this week

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USPTO Trademark Record

REGISTERED

SK

SN 88937763·Reg 6304527·Filed May 28, 2020

Owner SK INC.

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

SK (Serial No. 88937763), Registration No. 6304527, is a registered US trademark filed on May 28, 2020 by SK INC.. This trademark covers Class 045 (Legal, security & personal social services).

Renewal window: March 30, 2027186 days remaining

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Mark Intelligence

SK (Reg. #6304527) is a registered US trademark that has been protecting its owner, SK INC., since 2020. The mark covers Class 045 (Legal, security & personal social services). Goods and services include Legal services; security services for the physical protection of tangible property and individuals; dating services, onl.... The mark faced 1 opposition proceeding during prosecution.

FILED

May 28, 2020

SERIAL

88937763

REG#

6304527

REGISTERED

Mar 30, 2021

Filing Information

StatusREGISTERED

Filing DateMay 28, 2020

Serial Number88937763

Registration No.6304527

Registration DateMar 30, 2021

Status DateMar 30, 2021

Published for OppositionJan 12, 2021

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 045Legal, security & personal social services

US codes: 100, 101

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

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

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Status History

27 events

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

Mar 30, 2026

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

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 21, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 21, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 21, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Apr 21, 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

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jul 07, 2021

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

REGISTERED-PRINCIPAL REGISTER

Mar 30, 2021

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jan 12, 2021

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 12, 2021

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Dec 23, 2020

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 07, 2020

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Dec 03, 2020

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Dec 02, 2020

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 02, 2020

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Jul 27, 2020

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jul 27, 2020

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 27, 2020

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jul 23, 2020

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jun 18, 2020

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 17, 2020

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jun 01, 2020

NEW APPLICATION ENTERED

Other Marks by SK INC.

Additional USPTO filings from the same owner.

IFA

IFACTS

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SKL

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SKB

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REGISTERED

SKT

SK TES

98445696

SK Inc.

REGISTERED

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