Who owns the STRONGHOLD ENGINEERING trademark?

The STRONGHOLD ENGINEERING trademark is owned by Stronghold Engineering, Inc..

What class is the STRONGHOLD ENGINEERING trademark registered in?

The STRONGHOLD ENGINEERING trademark is registered in Class 037 (Construction, installation & repair services).

What is the serial number for STRONGHOLD ENGINEERING?

The USPTO serial number for STRONGHOLD ENGINEERING is 98887161.

What is the registration number for STRONGHOLD ENGINEERING?

STRONGHOLD ENGINEERING is registered under USPTO registration number 7903921.

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Updated Oct 19, 2026·13 searches this week

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STR

USPTO Trademark Record

REGISTERED

STRONGHOLD ENGINEERING

SN 98887161·Reg 7903921·Filed Dec 05, 2024

Owner Stronghold Engineering, Inc.

Construction services; installation and repair services; mining extraction, oil and gas drilling.

STRONGHOLD ENGINEERING (Serial No. 98887161), Registration No. 7903921, is a registered US trademark filed on Dec 05, 2024 by Stronghold Engineering, Inc.. This trademark covers Class 037 (Construction, installation & repair services).

early section 8: August 19, 2031

Mark Intelligence

STRONGHOLD ENGINEERING (Reg. #7903921) is a registered US trademark that has been protecting its owner, Stronghold Engineering, Inc., since 2024. The mark covers Class 037 (Construction, installation & repair services). Goods and services include Construction services; installation and repair services; mining extraction, oil and gas drilling.. The mark faced 1 opposition proceeding during prosecution.

FILED

Dec 05, 2024

SERIAL

98887161

REG#

7903921

REGISTERED

Aug 19, 2025

Filing Information

StatusREGISTERED

Filing DateDec 05, 2024

Serial Number98887161

Registration No.7903921

Registration DateAug 19, 2025

Status DateAug 19, 2025

Published for OppositionJul 01, 2025

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 037Construction, installation & repair services

US codes: 100, 103, 106

First use anywhere: Jan 01, 2000

First use in commerce: Jan 01, 2000

Construction services; installation and repair services; mining extraction, oil and gas drilling.

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

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Status History

13 events

REGISTERED-PRINCIPAL REGISTER

Aug 19, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 19, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

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

EXAMINERS AMENDMENT -WRITTEN

May 28, 2025

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

May 28, 2025

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

May 28, 2025

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

May 28, 2025

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 28, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

May 26, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Dec 05, 2024

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 05, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

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