Who owns the C4 trademark?

The C4 trademark is owned by Charles Humphrey Keating IV Foundation.

What class is the C4 trademark registered in?

The C4 trademark is registered in Class 036 (Insurance, financial & real estate services), Class 041 (Education & entertainment services).

What is the serial number for C4?

The USPTO serial number for C4 is 90243214.

What is the registration number for C4?

C4 is registered under USPTO registration number 6402380.

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Section 8 declaration window

June 29, 2027

238 days remaining

C4

REGISTERED

Serial: 90243214
Reg: 6402380
Filed: Oct 08, 2020
Owner: Charles Humphrey Keating IV Foundation

Financial, monetary and banking services; insurance services; real estate services.; Education; providing of training; entertainment; sporting and cultural activities.

What to file next

Section 8 declaration of continued use

When: Due between the fifth and sixth anniversary of registration.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed Section 8 cancels the registration, and there is no revival route for it.

How the Section 8 deadline works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 036Insurance, financial & real estate services

US codes: 100, 101, 102

First use anywhere: Sep 21, 2017

First use in commerce: Sep 21, 2017

Financial, monetary and banking services; insurance services; real estate services.

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Jul 02, 2017

First use in commerce: Jul 02, 2017

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

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

Status History

17 events

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

Jun 29, 2026

Code REM1

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Mar 05, 2024

Code COAR

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Mar 05, 2024

Code CHAN

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

Mar 05, 2024

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 05, 2024

Code ARAA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 05, 2024

Code TCCA

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Mar 05, 2024

Code EWAF

REGISTERED-PRINCIPAL REGISTER

Jun 29, 2021

Code R.PR

ASSIGNED TO EXAMINER

Jun 02, 2021

Code DOCK

PUBLISHED FOR OPPOSITION

Apr 13, 2021

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 13, 2021

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 24, 2021

Code NONP

ASSIGNED TO EXAMINER

Mar 05, 2021

Code DOCK

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 05, 2021

Code CNSA

NOTICE OF DESIGN SEARCH CODE E-MAILED

Nov 24, 2020

Code MDSM

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 23, 2020

Code NWOS

NEW APPLICATION ENTERED

Oct 12, 2020

Code NWAP

C4

What to file next

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