Who owns the SK trademark?

The SK trademark is owned by Sanyi Lights Inc.

What class is the SK trademark registered in?

The SK trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus).

What is the serial number for SK?

The USPTO serial number for SK is 98561831.

What is the registration number for SK?

SK is registered under USPTO registration number 8138631.

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Updated Sep 18, 2026·27 searches this week

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USPTO Trademark Record

REGISTERED

SK

SN 98561831·Reg 8138631·Filed May 21, 2024

Owner Sanyi Lights Inc

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

SK (Serial No. 98561831), Registration No. 8138631, is a registered US trademark filed on May 21, 2024 by Sanyi Lights Inc. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: February 10, 2032

Conflict Analysis

Full conflict analysis for SK (SN 98561831) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

SK (Reg. #8138631) is a registered US trademark that has been protecting its owner, Sanyi Lights Inc, since 2024. The mark covers Class 011 (Lighting, heating, cooling & sanitary apparatus). Goods and services include Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply.... The mark faced 1 opposition proceeding during prosecution.

FILED

May 21, 2024

SERIAL

98561831

REG#

8138631

REGISTERED

Feb 10, 2026

Filing Information

StatusREGISTERED

Filing DateMay 21, 2024

Serial Number98561831

Registration No.8138631

Registration DateFeb 10, 2026

Status DateFeb 10, 2026

Published for OppositionMar 11, 2025

Filing Basis & Declarations

Use Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 011Lighting, heating, cooling & sanitary apparatus

US codes: 013, 021, 023, 024, 031, 034

First use anywhere: Jan 17, 2025

First use in commerce: Jan 17, 2025

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

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

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Status History

29 events

REGISTERED-PRINCIPAL REGISTER

Feb 10, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Feb 10, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Jan 16, 2026

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Jan 16, 2026

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Dec 20, 2025

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

Dec 20, 2025

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Jun 19, 2025

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Jun 19, 2025

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

May 06, 2025

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 11, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Mar 11, 2025

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 05, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 12, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jan 17, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

FINAL REFUSAL E-MAILED

Jan 17, 2025

FINAL REFUSAL E-MAILED

NOTIFICATION OF FINAL REFUSAL EMAILED

Jan 17, 2025

NOTIFICATION OF FINAL REFUSAL EMAILED

TEAS REQUEST FOR RECONSIDERATION RECEIVED

Jan 17, 2025

TEAS REQUEST FOR RECONSIDERATION RECEIVED

FINAL REFUSAL WRITTEN

Jan 17, 2025

FINAL REFUSAL WRITTEN

TEAS/EMAIL CORRESPONDENCE ENTERED

Jan 17, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Nov 29, 2024

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Nov 29, 2024

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 29, 2024

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO EXAMINER

Oct 22, 2024

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Oct 22, 2024

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Oct 22, 2024

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Oct 22, 2024

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 17, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Sep 17, 2024

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION ENTERED

May 21, 2024

NEW APPLICATION ENTERED

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