Who owns the CITADEL trademark?

The CITADEL trademark is owned by Amazon Technologies, Inc..

What class is the CITADEL trademark registered in?

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

What is the serial number for CITADEL?

The USPTO serial number for CITADEL is 97789694.

What is the registration number for CITADEL?

CITADEL is registered under USPTO registration number 7950569.

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Updated Sep 29, 2026·41 searches this week

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CIT

USPTO Trademark Record

REGISTERED

CITADEL

SN 97789694·Reg 7950569·Filed Feb 10, 2023

Owner Amazon Technologies, Inc.

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

CITADEL (Serial No. 97789694), Registration No. 7950569, is a registered US trademark filed on Feb 10, 2023 by Amazon Technologies, Inc.. This trademark covers Class 041 (Education & entertainment services).

early section 8: September 16, 2031

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Mark Intelligence

CITADEL (Reg. #7950569) is a registered US trademark that has been protecting its owner, Amazon Technologies, Inc., since 2023. 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

Feb 10, 2023

SERIAL

97789694

REG#

7950569

REGISTERED

Sep 16, 2025

Filing Information

StatusREGISTERED

Filing DateFeb 10, 2023

Serial Number97789694

Registration No.7950569

Registration DateSep 16, 2025

Status DateSep 16, 2025

Published for OppositionMay 14, 2024

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: Apr 27, 2023

First use in commerce: Apr 27, 2023

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

26 events

REGISTERED-PRINCIPAL REGISTER

Sep 16, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 16, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Aug 25, 2025

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Aug 25, 2025

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

Aug 12, 2025

STATEMENT OF USE PROCESSING COMPLETE

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Aug 08, 2025

CASE ASSIGNED TO INTENT TO USE PARALEGAL

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

Jan 17, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 17, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 17, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

USE AMENDMENT FILED

Nov 04, 2024

USE AMENDMENT FILED

TEAS STATEMENT OF USE RECEIVED

Nov 04, 2024

TEAS STATEMENT OF USE RECEIVED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Oct 29, 2024

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

Sep 22, 2024

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

EXTENSION OF TIME TO OPPOSE RECEIVED

Jun 10, 2024

EXTENSION OF TIME TO OPPOSE RECEIVED

PUBLISHED FOR OPPOSITION

May 14, 2024

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 14, 2024

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 24, 2024

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 09, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

Feb 05, 2024

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

Feb 05, 2024

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

PRIORITY ACTION WRITTEN

Nov 04, 2023

PRIORITY ACTION WRITTEN

PRIORITY ACTION E-MAILED

Nov 04, 2023

PRIORITY ACTION E-MAILED

NOTIFICATION OF PRIORITY ACTION E-MAILED

Nov 04, 2023

NOTIFICATION OF PRIORITY ACTION E-MAILED

ASSIGNED TO EXAMINER

Oct 20, 2023

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 01, 2023

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Feb 14, 2023

NEW APPLICATION ENTERED

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