Who owns the DEREK LIU ENGINEERING trademark?

The DEREK LIU ENGINEERING trademark is owned by Derek David Liu.

What class is the DEREK LIU ENGINEERING trademark registered in?

The DEREK LIU ENGINEERING trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for DEREK LIU ENGINEERING?

The USPTO serial number for DEREK LIU ENGINEERING is 98868808.

What is the registration number for DEREK LIU ENGINEERING?

DEREK LIU ENGINEERING is registered under USPTO registration number 7888806.

DER

USPTO Trademark Record

REGISTERED

DEREK LIU ENGINEERING

SN 98868808·Reg 7888806·Filed Nov 22, 2024

Owner Derek David Liu

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.

DEREK LIU ENGINEERING (Serial No. 98868808), Registration No. 7888806, is a registered US trademark filed on Nov 22, 2024 by Derek David Liu. This trademark covers Class 042 (Scientific, technology & SaaS services).

early section 8: August 12, 2031

Mark Intelligence

DEREK LIU ENGINEERING (Reg. #7888806) is a registered US trademark that has been protecting its owner, Derek David Liu, since 2024. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Nov 22, 2024

SERIAL

98868808

REG#

7888806

REGISTERED

Aug 12, 2025

Owner

Applicant

Derek David Liu

Entity

Individual

Address

2135 Crescent Dr, Signal Hill, CA, 90755

Country

Attorney

Law firm

Derek David Liu

Address

2135 Crescent Dr, Signal Hill, CA 90755, United States

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Filing Information

StatusREGISTERED

Filing DateNov 22, 2024

Serial Number98868808

Registration No.7888806

Registration DateAug 12, 2025

Status DateAug 12, 2025

Published for OppositionJun 24, 2025

Mark TypeStandard characters

Status DescriptionLive and registered

Filing Signals

FILED

2024

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Aug 19, 2024

First use in commerce: Sep 23, 2024

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

Status History

14 events

REGISTERED-PRINCIPAL REGISTER

Aug 12, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 12, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 24, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 24, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 18, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

May 19, 2025

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

May 19, 2025

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

May 19, 2025

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

May 19, 2025

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 19, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

May 16, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 26, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Nov 22, 2024

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Nov 22, 2024

APPLICATION FILING RECEIPT MAILED

DEREK LIU ENGINEERING

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