Who owns the MAINSTAY trademark?

The MAINSTAY trademark is owned by MAINSTAY LABS INC..

What is the serial number for MAINSTAY?

The USPTO serial number for MAINSTAY is 98975876.

What is the registration number for MAINSTAY?

MAINSTAY is registered under USPTO registration number 8053905.

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MAI

USPTO Trademark Record

REGISTERED

MAINSTAY

Q: What class is the MAINSTAY trademark registered in?

The MAINSTAY trademark is registered in Class 036 (Insurance, financial & real estate services), Class 042 (Scientific, technology & SaaS services).

SN 98975876·Reg 8053905·Filed Jul 31, 2024

Owner MAINSTAY LABS INC.

Financial, monetary and banking services; insurance services; real estate services.; 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.

MAINSTAY (Serial No. 98975876), Registration No. 8053905, is a registered US trademark filed on Jul 31, 2024 by MAINSTAY LABS INC.. This trademark covers Class 036 (Insurance, financial & real estate services), Class 042 (Scientific, technology & SaaS services).

early section 8: December 02, 2031

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Mark Intelligence

MAINSTAY (Reg. #8053905) is a registered US trademark that has been protecting its owner, MAINSTAY LABS INC., since 2024. The mark covers Class 036 (Insurance, financial & real estate services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Financial, monetary and banking services; insurance services; real estate services.; Scientific and technological servic.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 31, 2024

SERIAL

98975876

REG#

8053905

REGISTERED

Dec 02, 2025

Filing Information

StatusREGISTERED

Filing DateJul 31, 2024

Serial Number98975876

Registration No.8053905

Registration DateDec 02, 2025

Status DateDec 02, 2025

Published for OppositionJul 01, 2025

Filing Basis & Declarations

Standard Characters ClaimedUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 036Insurance, financial & real estate services

US codes: 100, 101, 102

First use anywhere: Aug 01, 2024

First use in commerce: Aug 01, 2024

Financial, monetary and banking services; insurance services; real estate services.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Aug 01, 2024

First use in commerce: Aug 01, 2024

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

34 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Dec 23, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Dec 23, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Dec 23, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Dec 23, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 23, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Dec 02, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Dec 02, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Nov 07, 2025

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Nov 07, 2025

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

Oct 31, 2025

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Oct 13, 2025

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Oct 13, 2025

USE AMENDMENT FILED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Sep 25, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Sep 25, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 25, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Aug 26, 2025

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Jul 01, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 01, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 25, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ON HOLD - ELECTRONIC RECORD REVIEW REQUIRED

Jun 06, 2025

ON HOLD - ELECTRONIC RECORD REVIEW REQUIRED

DIVISIONAL PROCESSING COMPLETE

May 23, 2025

DIVISIONAL PROCESSING COMPLETE

APPROVED FOR PUB - PRINCIPAL REGISTER

May 23, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

May 12, 2025

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

May 12, 2025

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

May 07, 2025

CASE ASSIGNED TO INTENT TO USE PARALEGAL

DIVISIONAL REQUEST RECEIVED

Feb 24, 2025

DIVISIONAL REQUEST RECEIVED

TEAS REQUEST TO DIVIDE RECEIVED

Feb 24, 2025

TEAS REQUEST TO DIVIDE RECEIVED

NON-FINAL ACTION WRITTEN

Feb 14, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Feb 14, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Feb 14, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Feb 07, 2025

ASSIGNED TO EXAMINER

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Oct 16, 2024

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 31, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jul 31, 2024

NEW APPLICATION ENTERED

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