Who owns the C trademark?

The C trademark is owned by Cornerstone Systems, Inc..

What class is the C trademark registered in?

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

What is the serial number for C?

The USPTO serial number for C is 88519489.

What is the registration number for C?

C is registered under USPTO registration number 6015337.

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Updated Oct 29, 2026·11 searches this week

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USPTO Trademark Record

REGISTERED

C

SN 88519489·Reg 6015337·Filed Jul 17, 2019

Owner Cornerstone Systems, Inc.

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

C (Serial No. 88519489), Registration No. 6015337, is a registered US trademark filed on Jul 17, 2019 by Cornerstone Systems, Inc.. This trademark covers Class 035 (Advertising, business management & retail services).

Section 8/9 declaration window: March 18, 2030

Mark Intelligence

C (Reg. #6015337) is a registered US trademark that has been protecting its owner, Cornerstone Systems, Inc., since 2019. The mark covers Class 035 (Advertising, business management & retail services). Goods and services include Advertising; business management, organization and administration; office functions.. The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 17, 2019

SERIAL

88519489

REG#

6015337

REGISTERED

Mar 17, 2020

Filing Information

StatusREGISTERED

Filing DateJul 17, 2019

Serial Number88519489

Registration No.6015337

Registration DateMar 17, 2020

Status DateJul 24, 2025

Published for OppositionNov 19, 2019

Filing Basis & Declarations

Use Application CurrentlySection 8 AcceptedSection 15 Acknowledged

International Filings

Madrid Protocol1 filings

This mark has 1 Madrid Protocol filing on record with the USPTO.

1561304

480Feb 17, 2020

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Oct 31, 2019

First use in commerce: Oct 31, 2019

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

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

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Status History

23 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 24, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jul 24, 2025

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

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

Jul 24, 2025

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

TEAS SECTION 8 & 15 RECEIVED

Mar 24, 2025

TEAS SECTION 8 & 15 RECEIVED

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

Mar 17, 2025

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

REGISTERED-PRINCIPAL REGISTER

Mar 17, 2020

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Feb 12, 2020

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Feb 11, 2020

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

ASSIGNED TO EXAMINER

Feb 10, 2020

ASSIGNED TO EXAMINER

STATEMENT OF USE PROCESSING COMPLETE

Feb 07, 2020

STATEMENT OF USE PROCESSING COMPLETE

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Feb 07, 2020

CASE ASSIGNED TO INTENT TO USE PARALEGAL

TEAS STATEMENT OF USE RECEIVED

Jan 21, 2020

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Jan 21, 2020

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jan 14, 2020

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 19, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Nov 19, 2019

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 30, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

Oct 10, 2019

ASSIGNED TO LIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 07, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Oct 03, 2019

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jul 25, 2019

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 24, 2019

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jul 20, 2019

NEW APPLICATION ENTERED

Other Marks by Cornerstone Systems, Inc.

Additional USPTO filings from the same owner.

COR

CORNERSTONE

77064504

Cornerstone Systems, Inc.

REGISTERED

ZVG

ZVGUARD

78392896

Cornerstone Systems, Inc.

ABANDONED

ZCE

ZCENTER

78392900

Cornerstone Systems, Inc.

ABANDONED

ZFR

ZFRAME

78377443

Cornerstone Systems, Inc.

ABANDONED

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