Who owns the C4 trademark?

The C4 trademark is owned by CLARO S.A..

What class is the C4 trademark registered in?

The C4 trademark is registered in Class 038 (Telecommunications services).

What is the serial number for C4?

The USPTO serial number for C4 is 86080418.

What is the registration number for C4?

C4 is registered under USPTO registration number 4923198.

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USPTO Trademark Record

REGISTERED

C4

SN 86080418·Reg 4923198·Filed Oct 02, 2013

Owner CLARO S.A.

Telecommunications.

C4 (Serial No. 86080418), Registration No. 4923198, is a registered US trademark filed on Oct 02, 2013 by CLARO S.A.. This trademark covers Class 038 (Telecommunications services).

Section 8/9 declaration window: March 24, 2036

Mark Intelligence

C4 (Reg. #4923198) is a registered US trademark that has been protecting its owner, CLARO S.A., since 2013. The mark covers Class 038 (Telecommunications services). Goods and services include Telecommunications.. The mark faced 1 opposition proceeding during prosecution.

FILED

Oct 02, 2013

SERIAL

86080418

REG#

4923198

REGISTERED

Mar 22, 2016

Filing Information

StatusREGISTERED

Filing DateOct 02, 2013

Serial Number86080418

Registration No.4923198

Registration DateMar 22, 2016

Status DateMay 27, 2026

Published for OppositionOct 14, 2014

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 038Telecommunications services

US codes: 100, 101, 104

First use anywhere: Jun 30, 2015

First use in commerce: Jun 30, 2015

Telecommunications.

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

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Status History

49 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

May 27, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

May 27, 2026

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

May 27, 2026

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

May 27, 2026

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

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

May 06, 2026

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

TEAS SECTION 8 & 9 RECEIVED

Mar 23, 2026

TEAS SECTION 8 & 9 RECEIVED

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

Mar 22, 2025

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

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

Feb 24, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 24, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

Feb 24, 2025

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 24, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Sep 06, 2022

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

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

Sep 06, 2022

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 30, 2022

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 15 RECEIVED

Mar 09, 2022

TEAS SECTION 8 & 15 RECEIVED

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

Mar 22, 2021

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

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 11, 2019

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Mar 22, 2016

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Feb 13, 2016

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Feb 12, 2016

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jan 27, 2016

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU EXTENSION 2 GRANTED

Jan 26, 2016

SOU EXTENSION 2 GRANTED

STATEMENT OF USE PROCESSING COMPLETE

Jan 26, 2016

STATEMENT OF USE PROCESSING COMPLETE

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Jan 25, 2016

CASE ASSIGNED TO INTENT TO USE PARALEGAL

SOU EXTENSION 2 FILED

Dec 09, 2015

SOU EXTENSION 2 FILED

SOU TEAS EXTENSION RECEIVED

Dec 09, 2015

SOU TEAS EXTENSION RECEIVED

TEAS STATEMENT OF USE RECEIVED

Dec 09, 2015

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Dec 09, 2015

USE AMENDMENT FILED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jun 05, 2015

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Jun 03, 2015

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Jun 03, 2015

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

Jun 03, 2015

SOU EXTENSION 1 GRANTED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Dec 09, 2014

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Oct 14, 2014

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 14, 2014

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 24, 2014

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

LAW OFFICE PUBLICATION REVIEW COMPLETED

Sep 08, 2014

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Aug 27, 2014

ASSIGNED TO LIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 18, 2014

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jul 24, 2014

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 24, 2014

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 24, 2014

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Jan 24, 2014

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jan 24, 2014

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jan 24, 2014

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jan 16, 2014

ASSIGNED TO EXAMINER

NOTICE OF PSEUDO MARK E-MAILED

Oct 10, 2013

NOTICE OF PSEUDO MARK E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 09, 2013

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Oct 05, 2013

NEW APPLICATION ENTERED

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