Who owns the 21C trademark?

The 21C trademark is owned by 21C MUSEUM HOTELS LLC.

What is the serial number for 21C?

The USPTO serial number for 21C is 78388264.

What is the registration number for 21C?

21C is registered under USPTO registration number 3098996.

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21C

USPTO Trademark Record

REGISTERED

21C

Q: What class is the 21C trademark registered in?

The 21C trademark is registered in Class 041 (Education & entertainment services), Class 043 (Food & beverage services, hospitality).

SN 78388264·Reg 3098996·Filed Mar 22, 2004

Owner 21C MUSEUM HOTELS LLC

Education; providing of training; entertainment; sporting and cultural activities.; Services for providing food and drink; temporary accommodation.

21C (Serial No. 78388264), Registration No. 3098996, is a registered US trademark filed on Mar 22, 2004 by 21C MUSEUM HOTELS LLC. This trademark covers Class 041 (Education & entertainment services), Class 043 (Food & beverage services, hospitality).

Section 8/9 declaration window: May 30, 2036

Mark Intelligence

21C (Reg. #3098996) is a registered US trademark that has been protecting its owner, 21C MUSEUM HOTELS LLC, since 2004. The mark covers Class 041 (Education & entertainment services) and Class 043 (Food & beverage services, hospitality) respectively. Goods and services include Education; providing of training; entertainment; sporting and cultural activities.; Services for providing food and drin.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 22, 2004

SERIAL

78388264

REG#

3098996

REGISTERED

May 30, 2006

Filing Information

StatusREGISTERED

Filing DateMar 22, 2004

Serial Number78388264

Registration No.3098996

Registration DateMay 30, 2006

Status DateJan 23, 2026

Published for OppositionDec 21, 2004

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Mar 15, 2006

First use in commerce: Mar 15, 2006

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

Class 043Food & beverage services, hospitality

US codes: 100, 101

First use anywhere: Mar 15, 2006

First use in commerce: Mar 15, 2006

Services for providing food and drink; temporary accommodation.

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

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Status History

57 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 23, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Jan 23, 2026

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Jan 23, 2026

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Jan 23, 2026

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Oct 17, 2025

TEAS SECTION 8 & 9 RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

May 30, 2025

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

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

Apr 26, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Apr 26, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 26, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

May 17, 2022

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

May 17, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 17, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 17, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

May 17, 2022

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Sep 10, 2021

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 10, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 10, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 12, 2017

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 21, 2016

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

May 24, 2016

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 24, 2016

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Feb 23, 2016

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Feb 23, 2016

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Feb 23, 2016

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Feb 23, 2016

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Dec 09, 2015

TEAS SECTION 8 & 9 RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

May 30, 2015

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 13, 2012

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Mar 13, 2012

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Mar 13, 2012

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

TEAS SECTION 8 & 15 RECEIVED

Jan 25, 2012

TEAS SECTION 8 & 15 RECEIVED

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

Nov 09, 2011

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 09, 2011

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Mar 10, 2010

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

May 02, 2007

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

REGISTERED-PRINCIPAL REGISTER

May 30, 2006

REGISTERED-PRINCIPAL REGISTER

LAW OFFICE REGISTRATION REVIEW COMPLETED

Apr 18, 2006

LAW OFFICE REGISTRATION REVIEW COMPLETED

ASSIGNED TO LIE

Apr 07, 2006

ASSIGNED TO LIE

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Mar 31, 2006

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

SOU EXTENSION 2 GRANTED

Mar 29, 2006

SOU EXTENSION 2 GRANTED

STATEMENT OF USE PROCESSING COMPLETE

Mar 29, 2006

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Mar 15, 2006

TEAS STATEMENT OF USE RECEIVED

SOU TEAS EXTENSION RECEIVED

Mar 15, 2006

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Mar 15, 2006

SOU EXTENSION 2 FILED

USE AMENDMENT FILED

Mar 15, 2006

USE AMENDMENT FILED

ASSIGNED TO EXAMINER

Feb 07, 2006

ASSIGNED TO EXAMINER

SOU EXTENSION 1 GRANTED

Sep 15, 2005

SOU EXTENSION 1 GRANTED

SOU TEAS EXTENSION RECEIVED

Sep 08, 2005

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Sep 08, 2005

SOU EXTENSION 1 FILED

NOA MAILED - SOU REQUIRED FROM APPLICANT

Mar 15, 2005

NOA MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Dec 21, 2004

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Dec 01, 2004

NOTICE OF PUBLICATION

LAW OFFICE PUBLICATION REVIEW COMPLETED

Oct 13, 2004

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Oct 12, 2004

ASSIGNED TO LIE

ASSIGNED TO EXAMINER

Sep 30, 2004

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 30, 2004

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION ENTERED

Mar 31, 2004

NEW APPLICATION ENTERED

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