Who owns the CDO trademark?

The CDO trademark is owned by Electrochemical Oxygen Concepts, Inc..

What class is the CDO trademark registered in?

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

What is the serial number for CDO?

The USPTO serial number for CDO is 97609116.

What is the registration number for CDO?

CDO is registered under USPTO registration number 8161644.

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CDO

USPTO Trademark Record

REGISTERED

CDO

SN 97609116·Reg 8161644·Filed Sep 27, 2022

Owner Electrochemical Oxygen Concepts, Inc.

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

CDO (Serial No. 97609116), Registration No. 8161644, is a registered US trademark filed on Sep 27, 2022 by Electrochemical Oxygen Concepts, Inc.. This trademark covers Class 041 (Education & entertainment services).

early section 8: March 03, 2032

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Full conflict analysis for CDO (SN 97609116) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

CDO (Reg. #8161644) is a registered US trademark that has been protecting its owner, Electrochemical Oxygen Concepts, Inc., since 2022. 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

Sep 27, 2022

SERIAL

97609116

REG#

8161644

REGISTERED

Mar 03, 2026

Filing Information

StatusREGISTERED

Filing DateSep 27, 2022

Serial Number97609116

Registration No.8161644

Registration DateMar 03, 2026

Status DateMar 03, 2026

Published for OppositionAug 15, 2023

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: Mar 31, 2024

First use in commerce: Mar 31, 2024

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

28 events

REGISTERED-PRINCIPAL REGISTER

Mar 03, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 03, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Feb 09, 2026

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Feb 09, 2026

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Jan 05, 2026

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

Jan 05, 2026

STATEMENT OF USE PROCESSING COMPLETE

USE AMENDMENT FILED

Jun 30, 2025

USE AMENDMENT FILED

TEAS STATEMENT OF USE RECEIVED

Jun 30, 2025

TEAS STATEMENT OF USE RECEIVED

SOU EXTENSION 3 GRANTED

Mar 27, 2025

SOU EXTENSION 3 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Mar 27, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Mar 26, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 3 FILED

Mar 26, 2025

SOU EXTENSION 3 FILED

SOU EXTENSION 2 GRANTED

Oct 09, 2024

SOU EXTENSION 2 GRANTED

SOU EXTENSION 2 FILED

Oct 09, 2024

SOU EXTENSION 2 FILED

SOU TEAS EXTENSION RECEIVED

Oct 08, 2024

SOU TEAS EXTENSION RECEIVED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Oct 08, 2024

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Mar 08, 2024

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Mar 07, 2024

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Mar 07, 2024

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

Mar 07, 2024

SOU EXTENSION 1 GRANTED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Oct 10, 2023

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 15, 2023

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Aug 15, 2023

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 26, 2023

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Jul 11, 2023

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 11, 2023

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 13, 2022

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 30, 2022

NEW APPLICATION ENTERED

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