ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
01/28/2026
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Official data from USPTO
SEMOZON
Did you know this trademark is already registered in United States?
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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
31
Latest update
01/29/2026
Trademark type
Word
Nice classes
11
Filing date
10/10/2002
Registration date
09/02/2003
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
11/16/2023
Last transaction
01/29/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
12/01/1993
First use in commerce
12/01/1993
Drawing code
1
Owner type
03
Owner location
ANDOVER, MA
Examiner
POWERS, ALEXANDER L
Law office
L50
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
MKS INC.
MKS Instruments, Inc.
MKS Instruments, Inc.
Representatives
John L. DuPre' Hamilton, Brook, Smith & Reynolds, P.C.
Technical classification
Nice Classes
Class 11
Vienna Codes
No Vienna codes available.
Goods and services
Class 11
Ozone Generator For Manufacture Of Ultra PureHigh Concentration Ozone Through Passing Oxygen Through A Silent Electrical Discharge
Publications
History of USPTO decisions and trademark events.
31 publications found
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/07/2024
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/07/2024
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/07/2024
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
06/07/2024
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
06/07/2024
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
11/16/2023
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
11/16/2023
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
11/16/2023
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
11/16/2023
E89R
TEAS SECTION 8 & 9 RECEIVED
05/22/2023
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
09/02/2022
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
02/06/2019
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
09/17/2018
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
09/17/2018
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
02/11/2013
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
02/11/2013
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
02/11/2013
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
02/11/2013
E89R
TEAS SECTION 8 & 9 RECEIVED
01/24/2013
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
09/23/2009
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
09/23/2009
E815
TEAS SECTION 8 & 15 RECEIVED
09/10/2009
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
04/24/2008
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
04/24/2008
R.PR
REGISTERED-PRINCIPAL REGISTER
09/02/2003
PUBO
PUBLISHED FOR OPPOSITION
06/10/2003
NPUB
NOTICE OF PUBLICATION
05/21/2003
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
03/27/2003
GNRT
NON-FINAL ACTION E-MAILED
03/20/2003
DOCK
ASSIGNED TO EXAMINER
03/13/2003
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