TrademarkDir
DEREK LIU ENGINEERING
LIVE

Serial Number

98868808

Owner

Derek David Liu

First Use Date

Aug 19, 2024

Filing Date

Nov 22, 2024

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DEREK LIU ENGINEERING Trademark

Serial Number: 98868808 • Registration: 7888806

DEREK LIU ENGINEERING is a trademark filed by Derek David Liu on November 22, 2024. The trademark is classified under Class 42 (Computer & Scientific). The application is currently registered and active.

Owner Contact Info

Derek David Liu

2135 Crescent Dr
Signal Hill, CA 90755

Entity Type: 01

Trademark Details

Filing Date

November 22, 2024

Registration Date

August 12, 2025

First Use Anywhere

August 19, 2024

First Use in Commerce

September 23, 2024

Published for Opposition

June 24, 2025

Goods & Services

Design and testing of new products for others; New product design services; Technical consultation in the field of environmental science, engineering services, design for others in the field of energy engineering, designing and testing of energy products for others; Product development and engineering services for others

Filing History

NOTICE OF REGISTRATION CONFIRMATION EMAILED
Aug 12, 2025 NRCC
REGISTERED-PRINCIPAL REGISTER
Aug 12, 2025 R.PR
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Jun 24, 2025 NPUB
PUBLISHED FOR OPPOSITION
Jun 24, 2025 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Jun 18, 2025 NONP
APPROVED FOR PUB - PRINCIPAL REGISTER
May 19, 2025 CNSA
EXAMINER'S AMENDMENT ENTERED
May 19, 2025 XAEC
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
May 19, 2025 GNEN
EXAMINERS AMENDMENT E-MAILED
May 19, 2025 GNEA
EXAMINERS AMENDMENT -WRITTEN
May 19, 2025 CNEA
ASSIGNED TO EXAMINER
May 16, 2025 DOCK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Apr 26, 2025 NWOS
APPLICATION FILING RECEIPT MAILED
Nov 22, 2024 MAFR
NEW APPLICATION ENTERED
Nov 22, 2024 NWAP

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