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Official data from USPTO

SK

Did you know this trademark is already registered in United States?

Before investing in name, identity, and promotion, validate collision risk and registration strategy to avoid wasting time and budget.

Active USPTO registrationType: CombinedOffice: US

Quick snapshot

SK

ST13

US500000088533668

Class

40

Filing

88533668

Registration

6224982

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

Attention: there is active risk

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

32

Latest update

12/23/2025

Classification

Registered

Trademark type

Combined

Nice classes

40

Filing date

07/24/2019

Registration date

12/22/2020

Expiration date

-

Recommended action

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Next step

These are the details of the registration process. Even so, constant monitoring is what ensures peace of mind that your main asset remains protected.

Complete case details

Structured fields from the responsible authority and the official record.

Status date

12/22/2020

Last transaction

12/23/2025

Responsible office

United States Patent and Trademark Office

Status code

700

Official register

Principal Register

Filing basis

Foreign priority

Drawing code

3

Owner type

03

Owner location

SEOUL, KR

Examiner

SIMCOX,KYLE DUNCAN

Law office

N40

Current location

PUBLICATION AND ISSUE SECTION

Mark description

The mark consists of the letters "SK" in red stylized font; to the top right of the letter "K" is a wing design, with the inner portion of the wings is red, and the outer portion of the wings is orange; white is not claimed as a feature of the mark and only represents background or transparent areas.

Holders and representatives

Holders

SK INC.
SK HOLDINGS CO., LTD

Representatives

Hun Joon Kim LEX IP Meister, PLLC.

Technical classification

Nice Classes

Class 40

Vienna Codes

No Vienna codes available.

Goods and services

Class 40

Heat treating of metals; metal plating; refining of petroleum; recycling of waste and trash; recycling of waste oil; processing of plastics; semiconductor and integrated circuit foundry servicescustom manufacture of semiconductors and integrated circuits; custom manufacturing services in the nature of processing of semiconductor wafers; semiconductor foundry servicescustom manufacture of semiconductors; custom manufacturing services in the nature of processing and assembly of semiconductors; custom manufacturing services in the nature of processing of semiconductors; custom manufacturing services in the nature of processing of semiconductor equipment and parts; custom manufacture of biopharmaceuticals; custom manufacturing services in the nature of processing of biopharmaceutical materials for others; treatment of biopharmaceutical materials; custom manufacturing services in the nature of processing of medicinal materials; custom manufacture of pharmaceuticals; custom manufacturing services in the nature of processing of pharmaceutical preparations; preservation of pharmaceuticals; custom manufacturing services in the nature of processing of medical products; custom manufacturing services in the nature of processing of optical glass; recycling of waste lubricating oil; custom manufacturing services in the nature of processing of circuit boards; processing of oil; oil refinery services; refining of petrochemicals; production of bio energy; production of energy; energy production services in the nature of processing and transforming of energy; metal treating; electricity generating; custom manufacturing services in the nature of processing of blending agents; custom manufacturing services in the nature of processing of chemical compounds; chemical treatment of liquids; custom manufacturing services in the nature of processing of chemicals; plastic processing services in the nature of plastic regeneration

Publications

History of USPTO decisions and trademark events.

32 publications found

REM1

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

12/22/2025

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

12/03/2024

ECDR

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

12/03/2024

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

12/03/2024

REAP

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

12/03/2024

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

12/03/2024

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

12/03/2024

ASGN

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

07/07/2021

R.PR

REGISTERED-PRINCIPAL REGISTER

12/22/2020

NPUB

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

10/06/2020

PUBO

PUBLISHED FOR OPPOSITION

10/06/2020

NONP

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

09/16/2020

FIXD

ELECTRONIC RECORD REVIEW COMPLETE

08/31/2020

ERRR

ON HOLD - ELECTRONIC RECORD REVIEW REQUIRED

08/28/2020

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

08/27/2020

TEME

TEAS/EMAIL CORRESPONDENCE ENTERED

08/27/2020

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

08/27/2020

ERSI

TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED

08/21/2020

GNS3

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

04/13/2020

GNSL

LETTER OF SUSPENSION E-MAILED

04/13/2020

CNSL

SUSPENSION LETTER WRITTEN

04/13/2020

TEME

TEAS/EMAIL CORRESPONDENCE ENTERED

04/11/2020

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

04/11/2020

ALIE

ASSIGNED TO LIE

04/11/2020

TROA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

04/03/2020

GNRN

NOTIFICATION OF NON-FINAL ACTION E-MAILED

10/04/2019

GNRT

NON-FINAL ACTION E-MAILED

10/04/2019

CNRT

NON-FINAL ACTION WRITTEN

10/04/2019

DOCK

ASSIGNED TO EXAMINER

09/24/2019

MDSC

NOTICE OF DESIGN SEARCH CODE E-MAILED

08/02/2019

NWOS

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

08/01/2019

NWAP

NEW APPLICATION ENTERED

07/29/2019

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