ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
03/19/2026
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Official data from USPTO
EN ENGINEERING
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Active USPTO registrationType: CombinedOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
17
Latest update
03/20/2026
Trademark type
Combined
Nice classes
42
Filing date
04/03/2020
Registration date
12/15/2020
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
12/15/2020
Last transaction
03/20/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
First use anywhere
01/01/2002
First use in commerce
01/01/2002
Drawing code
5
Owner type
16
Owner location
Warrenville, IL, US
Examiner
SANTOMARTINO, MARTHA L
Law office
M30
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of the letters "E" and "N" and the word "ENGINEERING" overlapping the letter "N".
Holders and representatives
Holders
EN Engineering, LLC
Representatives
Grant H. Peters BARNES & THORNBURG LLP
Technical classification
Nice Classes
Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 42
design for others in the field of engineeringspecificallywith regards to gas and liquids pipeline systemsgas distribution systemselectricity generation systemscorrosion control; technical consultation in the field of engineeringspecificallywith regards to gas and liquids pipeline systemsgas distribution systemselectricity generation systemscorrosion control
Publications
History of USPTO decisions and trademark events.
17 publications found
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
12/15/2025
CCON
COUNTERCLAIM OPP. NO. 999999
06/24/2023
R.PR
REGISTERED-PRINCIPAL REGISTER
12/15/2020
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
09/29/2020
PUBO
PUBLISHED FOR OPPOSITION
09/29/2020
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
09/09/2020
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
08/24/2020
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
08/22/2020
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
08/21/2020
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
08/21/2020
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
06/24/2020
GNRT
NON-FINAL ACTION E-MAILED
06/24/2020
CNRT
NON-FINAL ACTION WRITTEN
06/24/2020
DOCK
ASSIGNED TO EXAMINER
06/23/2020
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
04/09/2020
NWAP
NEW APPLICATION ENTERED
04/07/2020
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