ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
09/10/2025
Back to search
Official data from USPTO
ENERSPERSE
Did you know this trademark is already registered in United States?
Before investing in name, identity, and promotion, validate collision risk and registration strategy to avoid wasting time and budget.
Active USPTO registrationType: WordOffice: 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
37
Latest update
09/11/2025
Trademark type
Word
Nice classes
1
Filing date
07/11/1989
Registration date
08/28/1990
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
03/11/2021
Last transaction
09/11/2025
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
02/09/1989
First use in commerce
02/09/1989
Drawing code
1
Owner type
16
Owner location
SUGAR LAND, TX
Law office
570
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
CHAMPIONX LLC
CHAMPIONX USA INC.
ECOLAB USA INC.
NALCO COMPANY
NALCO ENERGY SERVICES, L.P.
NALCO/EXXON ENERGY CHEMICALS L.P.
NALCO CHEMICAL COMPANY
Representatives
Mainak H. Mehta Procopio, Cory, Hargreaves and Savitch LLP
Technical classification
Nice Classes
Class 1
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
CORROSION INHIBITOR FOR TREATING OIL WELLS
Publications
History of USPTO decisions and trademark events.
37 publications found
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
01/10/2024
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
03/11/2021
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
03/11/2021
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/11/2021
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
03/11/2021
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
12/16/2020
E89R
TEAS SECTION 8 & 9 RECEIVED
12/02/2020
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
08/28/2019
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/15/2018
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/15/2018
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
01/17/2018
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
12/11/2017
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
12/11/2017
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
04/21/2015
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
04/21/2015
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
09/03/2010
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
09/03/2010
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
08/31/2010
E89R
TEAS SECTION 8 & 9 RECEIVED
08/30/2010
CORV
REVIEW OF CORRESPONDENCE COMPLETE
10/08/2009
CFIT
CASE FILE IN TICRS
12/23/2008
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
08/15/2007
PR89
RESPONSE RECEIVED TO POST REG. ACTION - SEC. 8 & 9
02/27/2004
PAPER RECEIVED
02/27/2004
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
12/16/2000
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
12/16/2000
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
04/24/2000
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
08/06/1996
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
05/20/1996
R.PR
REGISTERED-PRINCIPAL REGISTER
08/28/1990
PUBO
PUBLISHED FOR OPPOSITION
06/05/1990
NPUB
NOTICE OF PUBLICATION
05/05/1990
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
03/15/1990
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
03/05/1990
CNRT
NON-FINAL ACTION MAILED
10/03/1989
DOCK
ASSIGNED TO EXAMINER
09/11/1989
Continuous trademark protection
Get notified about every new filing that threatens ENERSPERSE or your mark.
Professional 24-month watch service: we monitor USPTO for you and alert you in time to oppose — before conflicts become losses.