Who owns the C SQUARED trademark?

The C SQUARED trademark is owned by Halfz LLC.

What is the serial number for C SQUARED?

The USPTO serial number for C SQUARED is 90780392.

What is the registration number for C SQUARED?

C SQUARED is registered under USPTO registration number 6994301.

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Home Search: C SQUAREDC SQUARED #90780392

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Updated Oct 25, 2026·35 searches this week

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CSQ

USPTO Trademark Record

REGISTERED

C SQUARED

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

The C SQUARED trademark is registered in Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

SN 90780392·Reg 6994301·Filed Jun 17, 2021

Owner Halfz LLC

Advertising; business management, organization and administration; office functions.; Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

C SQUARED (Serial No. 90780392), Registration No. 6994301, is a registered US trademark filed on Jun 17, 2021 by Halfz LLC. This trademark covers Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

early section 8: March 07, 2029

Mark Intelligence

C SQUARED (Reg. #6994301) is a registered US trademark that has been protecting its owner, Halfz LLC, since 2021. The mark covers Class 035 (Advertising, business management & retail services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Scientific and technological servi.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jun 17, 2021

SERIAL

90780392

REG#

6994301

REGISTERED

Mar 07, 2023

Filing Information

StatusREGISTERED

Filing DateJun 17, 2021

Serial Number90780392

Registration No.6994301

Registration DateMar 07, 2023

Status DateMar 07, 2023

Published for OppositionDec 20, 2022

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Feb 01, 2012

First use in commerce: Feb 01, 2012

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

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Feb 01, 2012

First use in commerce: Feb 01, 2012

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

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

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Status History

21 events

REGISTERED-PRINCIPAL REGISTER

Mar 07, 2023

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 07, 2023

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Dec 20, 2022

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Dec 20, 2022

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Nov 30, 2022

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Nov 17, 2022

APPROVED FOR PUB - PRINCIPAL REGISTER

FINAL REFUSAL WRITTEN

Nov 13, 2022

FINAL REFUSAL WRITTEN

FINAL REFUSAL E-MAILED

Nov 13, 2022

FINAL REFUSAL E-MAILED

NOTIFICATION OF FINAL REFUSAL EMAILED

Nov 13, 2022

NOTIFICATION OF FINAL REFUSAL EMAILED

TEAS/EMAIL CORRESPONDENCE ENTERED

Sep 10, 2022

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Sep 09, 2022

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 09, 2022

CORRESPONDENCE RECEIVED IN LAW OFFICE

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

Sep 07, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 07, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 07, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NON-FINAL ACTION WRITTEN

Mar 14, 2022

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Mar 14, 2022

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Mar 14, 2022

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Mar 08, 2022

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 04, 2021

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jun 21, 2021

NEW APPLICATION ENTERED

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