Who owns the EXTNSN ENGINE trademark?

The EXTNSN ENGINE trademark is owned by ExtensionEngine, LLC.

What class is the EXTNSN ENGINE trademark registered in?

The EXTNSN ENGINE trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for EXTNSN ENGINE?

The USPTO serial number for EXTNSN ENGINE is 88460674.

What is the registration number for EXTNSN ENGINE?

EXTNSN ENGINE is registered under USPTO registration number 5948618.

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Updated Sep 16, 2026·38 searches this week

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USPTO Trademark Record

ABANDONED

EXTNSN ENGINE

SN 88460674·Reg 5948618·Filed Jun 05, 2019

Owner ExtensionEngine, LLC

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.

EXTNSN ENGINE (Serial No. 88460674), Registration No. 5948618, is a abandoned US trademark filed on Jun 05, 2019 by ExtensionEngine, LLC. This trademark covers Class 042 (Scientific, technology & SaaS services).

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Mark Intelligence

EXTNSN ENGINE (Reg. #5948618) is an abandoned US trademark that was filed in 2019 but has since been abandoned. 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

Jun 05, 2019

SERIAL

88460674

REG#

5948618

REGISTERED

Dec 31, 2019

Filing Information

StatusABANDONED

Filing DateJun 05, 2019

Serial Number88460674

Registration No.5948618

Registration DateDec 31, 2019

Status DateJul 10, 2026

Published for OppositionOct 15, 2019

Filing Basis & Declarations

Filed as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Mar 01, 2019

First use in commerce: May 31, 2019

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

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Status History

19 events

CANCELLED SEC. 8 (6-YR)

Jul 10, 2026

CANCELLED SEC. 8 (6-YR)

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Dec 31, 2024

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

REGISTERED-PRINCIPAL REGISTER

Dec 31, 2019

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Oct 15, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 15, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 25, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

Sep 12, 2019

ASSIGNED TO LIE

EXAMINERS AMENDMENT -WRITTEN

Sep 09, 2019

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Sep 09, 2019

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Sep 09, 2019

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Sep 09, 2019

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 09, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

NON-FINAL ACTION WRITTEN

Sep 03, 2019

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Sep 03, 2019

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Sep 03, 2019

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Aug 27, 2019

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jun 21, 2019

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 20, 2019

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jun 08, 2019

NEW APPLICATION ENTERED

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