Who owns the CORNERSTONE trademark?

The CORNERSTONE trademark is owned by Cornerstone Caregiving, LLC.

What class is the CORNERSTONE trademark registered in?

The CORNERSTONE trademark is registered in Class 045 (Legal, security & personal social services).

What is the serial number for CORNERSTONE?

The USPTO serial number for CORNERSTONE is 99290667.

What is the registration number for CORNERSTONE?

CORNERSTONE is registered under USPTO registration number 8157897.

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Updated Oct 29, 2026·9 searches this week

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COR

USPTO Trademark Record

REGISTERED

CORNERSTONE

SN 99290667·Reg 8157897·Filed Jul 18, 2025

Owner Cornerstone Caregiving, LLC

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

CORNERSTONE (Serial No. 99290667), Registration No. 8157897, is a registered US trademark filed on Jul 18, 2025 by Cornerstone Caregiving, LLC. This trademark covers Class 045 (Legal, security & personal social services).

early section 8: March 03, 2032

Mark Intelligence

CORNERSTONE (Reg. #8157897) is a registered US trademark that has been protecting its owner, Cornerstone Caregiving, LLC, since 2025. The mark covers Class 045 (Legal, security & personal social services). Goods and services include Legal services; security services for the physical protection of tangible property and individuals; dating services, onl.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 18, 2025

SERIAL

99290667

REG#

8157897

REGISTERED

Mar 03, 2026

Filing Information

StatusREGISTERED

Filing DateJul 18, 2025

Serial Number99290667

Registration No.8157897

Registration DateMar 03, 2026

Status DateMar 03, 2026

Published for OppositionJan 13, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 045Legal, security & personal social services

US codes: 100, 101

First use anywhere: Mar 31, 2020

First use in commerce: Mar 31, 2020

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

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

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Status History

18 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Sep 17, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Sep 17, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Sep 17, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 17, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 17, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Mar 03, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Mar 03, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jan 13, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 13, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 07, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 16, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

NON-FINAL ACTION WRITTEN

Dec 10, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Dec 10, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Dec 10, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Dec 05, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Jul 18, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Jul 18, 2025

APPLICATION FILING RECEIPT MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 18, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

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90364516

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