TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
11/21/2025
Back to search
Official data from USPTO
EN GAUGE
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: 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
57
Latest update
11/26/2025
Trademark type
Combined
Nice classes
10
Filing date
09/04/2007
Registration date
09/08/2009
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
09/30/2019
Last transaction
11/26/2025
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
07/31/2008
First use in commerce
07/31/2008
Drawing code
3
Owner type
03
Owner location
Fribourg, CH
Examiner
KAJUBI,ELIZABETH N
Law office
L70
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
Alcon Inc.
NOVARTIS AG
Alcon, Inc.
Representatives
Melissa Atherton
Technical classification
Nice Classes
Class 10
Vienna Codes
No Vienna codes available.
Goods and services
Class 10
Radio frequency identification chip sold as an integral component of ophthalmic surgical apparatus for use during vitreoretinal surgery
Publications
History of USPTO decisions and trademark events.
57 publications found
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
11/21/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
11/21/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/09/2024
EWOR
TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED
02/09/2024
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/09/2024
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/09/2024
CORV
REVIEW OF CORRESPONDENCE COMPLETE - ADDRESS UPDATED
06/03/2020
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
04/03/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
04/03/2020
ECDR
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
04/03/2020
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
04/03/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
04/03/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
04/03/2020
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
04/03/2020
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
09/30/2019
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
09/30/2019
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
09/30/2019
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
09/30/2019
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
08/22/2019
E89R
TEAS SECTION 8 & 9 RECEIVED
08/22/2019
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
08/20/2019
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
08/20/2019
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
08/14/2019
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
09/08/2018
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/25/2018
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/25/2018
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
07/14/2016
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
07/14/2016
NA85
NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
07/02/2015
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
07/02/2015
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
07/01/2015
E815
TEAS SECTION 8 & 15 RECEIVED
06/10/2015
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/10/2015
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
10/05/2011
R.PR
REGISTERED-PRINCIPAL REGISTER
09/08/2009
REGV
LAW OFFICE REGISTRATION REVIEW COMPLETED
08/04/2009
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
08/02/2009
SUPC
STATEMENT OF USE PROCESSING COMPLETE
07/10/2009
IUAF
USE AMENDMENT FILED
07/09/2009
EISU
TEAS STATEMENT OF USE RECEIVED
07/09/2009
EX2G
SOU EXTENSION 2 GRANTED
04/16/2009
EXT2
SOU EXTENSION 2 FILED
04/13/2009
EEXT
SOU TEAS EXTENSION RECEIVED
04/13/2009
EX1G
SOU EXTENSION 1 GRANTED
10/14/2008
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
10/14/2008
EXT1
SOU EXTENSION 1 FILED
10/10/2008
EEXT
SOU TEAS EXTENSION RECEIVED
10/10/2008
NOAM
NOA MAILED - SOU REQUIRED FROM APPLICANT
05/27/2008
PUBO
PUBLISHED FOR OPPOSITION
03/04/2008
NPUB
NOTICE OF PUBLICATION
02/13/2008
PREV
LAW OFFICE PUBLICATION REVIEW COMPLETED
01/28/2008
ALIE
ASSIGNED TO LIE
01/28/2008
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
12/14/2007
DOCK
ASSIGNED TO EXAMINER
11/20/2007
MDSC
NOTICE OF DESIGN SEARCH CODE MAILED
09/08/2007
NWAP
NEW APPLICATION ENTERED
09/07/2007
Continuous trademark protection
Get notified about every new filing that threatens EN GAUGE or your mark.
Professional 24-month watch service: we monitor USPTO for you and alert you in time to oppose — before conflicts become losses.