Who owns the C trademark?

The C trademark is owned by State of Colorado Department of Personnel & Administration.

What is the serial number for C?

The USPTO serial number for C is 88465838.

What is the registration number for C?

C is registered under USPTO registration number 5953925.

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Updated Sep 29, 2026·20 searches this week

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USPTO Trademark Record

REGISTERED

C

Q: What class is the C trademark registered in?

The C trademark is registered in Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services).

SN 88465838·Reg 5953925·Filed Jun 10, 2019

Owner State of Colorado Department of Personnel & Administration

Advertising; business management, organization and administration; office functions.; Education; providing of training; entertainment; sporting and cultural activities.

C (Serial No. 88465838), Registration No. 5953925, is a registered US trademark filed on Jun 10, 2019 by State of Colorado Department of Personnel & Administration. This trademark covers Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services).

Section 8/9 declaration window: January 07, 2030

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Full conflict analysis for C (SN 88465838) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

C (Reg. #5953925) is a registered US trademark that has been protecting its owner, State of Colorado Department of Personnel & Administration, since 2019. The mark covers Class 035 (Advertising, business management & retail services) and Class 041 (Education & entertainment services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Education; providing of training; .... The mark faced 1 opposition proceeding during prosecution.

FILED

Jun 10, 2019

SERIAL

88465838

REG#

5953925

REGISTERED

Jan 07, 2020

Filing Information

StatusREGISTERED

Filing DateJun 10, 2019

Serial Number88465838

Registration No.5953925

Registration DateJan 07, 2020

Status DateJun 16, 2025

Published for OppositionOct 22, 2019

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Nov 01, 2016

First use in commerce: Nov 01, 2016

Advertising; business management, organization and administration; office functions.

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Nov 01, 2016

First use in commerce: Nov 01, 2016

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

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

Jun 16, 2025

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 16, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jun 16, 2025

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

TEAS SECTION 8 & 15 RECEIVED

Feb 24, 2025

TEAS SECTION 8 & 15 RECEIVED

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

Jan 07, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 14, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 14, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 14, 2024

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 14, 2024

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Feb 14, 2024

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

REGISTERED-PRINCIPAL REGISTER

Jan 07, 2020

REGISTERED-PRINCIPAL REGISTER

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 22, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Oct 22, 2019

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 02, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Sep 17, 2019

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Sep 17, 2019

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Sep 17, 2019

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Sep 17, 2019

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 17, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

NON-FINAL ACTION WRITTEN

Sep 06, 2019

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Sep 06, 2019

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Sep 06, 2019

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Aug 31, 2019

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jun 22, 2019

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 21, 2019

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jun 13, 2019

NEW APPLICATION ENTERED

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