Who owns the KEYSTONE BLACKJACK trademark?

The KEYSTONE BLACKJACK trademark is owned by DK Crown Holdings Inc..

What class is the KEYSTONE BLACKJACK trademark registered in?

The KEYSTONE BLACKJACK trademark is registered in Class 041 (Education & entertainment services).

What is the serial number for KEYSTONE BLACKJACK?

The USPTO serial number for KEYSTONE BLACKJACK is 98489528.

What is the registration number for KEYSTONE BLACKJACK?

KEYSTONE BLACKJACK is registered under USPTO registration number 8188777.

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Updated Oct 22, 2026·13 searches this week

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KEY

USPTO Trademark Record

REGISTERED

KEYSTONE BLACKJACK

SN 98489528·Reg 8188777·Filed Apr 08, 2024

Owner DK Crown Holdings Inc.

Education; providing of training; entertainment; sporting and cultural activities.

KEYSTONE BLACKJACK (Serial No. 98489528), Registration No. 8188777, is a registered US trademark filed on Apr 08, 2024 by DK Crown Holdings Inc.. This trademark covers Class 041 (Education & entertainment services).

early section 8: March 24, 2032

Mark Intelligence

KEYSTONE BLACKJACK (Reg. #8188777) is a registered US trademark that has been protecting its owner, DK Crown Holdings Inc., since 2024. The mark covers Class 041 (Education & entertainment services). Goods and services include Education; providing of training; entertainment; sporting and cultural activities.. The mark faced 1 opposition proceeding during prosecution.

FILED

Apr 08, 2024

SERIAL

98489528

REG#

8188777

REGISTERED

Mar 24, 2026

Filing Information

StatusREGISTERED

Filing DateApr 08, 2024

Serial Number98489528

Registration No.8188777

Registration DateMar 24, 2026

Status DateMar 24, 2026

Published for OppositionJan 21, 2025

Filing Basis & Declarations

Standard Characters ClaimedUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Nov 26, 2024

First use in commerce: Nov 26, 2024

Education; providing of training; entertainment; sporting and cultural activities.

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

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Status History

21 events

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Oct 20, 2026

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

REGISTERED-PRINCIPAL REGISTER

Mar 24, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 24, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Feb 27, 2026

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Feb 27, 2026

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Feb 26, 2026

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

Feb 26, 2026

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Aug 21, 2025

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Aug 21, 2025

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Mar 18, 2025

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 21, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Jan 21, 2025

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 15, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 24, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT -WRITTEN

Oct 23, 2024

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Oct 23, 2024

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Oct 23, 2024

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Oct 23, 2024

EXAMINER'S AMENDMENT ENTERED

ASSIGNED TO EXAMINER

Oct 22, 2024

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 16, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Apr 08, 2024

NEW APPLICATION ENTERED

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