TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
11/21/2025
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Official data from USPTO
DUOVISC
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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
55
Latest update
11/26/2025
Trademark type
Combined
Nice classes
5
Filing date
07/09/1991
Registration date
05/23/1995
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
06/16/2025
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
10/17/1994
First use in commerce
10/17/1994
Drawing code
5
Owner type
03
Owner location
Fribourg, CH
Examiner
MICHELI,ANGELA M
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
ALCON INC.
ALCON RESEARCH, LTD.
ALCON MANUFACTURING, LTD.
ALCON MANUFACTURING, LTD.
ALCON LABORATORIES, INC.
Alcon Surgical, Inc.
Representatives
Melissa Atherton
Technical classification
Nice Classes
Class 5
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
ophthalmic pharmaceutical preparations; namelyviscoelastic solutions
Publications
History of USPTO decisions and trademark events.
55 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
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
06/16/2025
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
06/16/2025
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
06/16/2025
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
06/16/2025
E89R
TEAS SECTION 8 & 9 RECEIVED
01/09/2025
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
05/23/2024
TCCA
TEAS CHANGE OF CORRESPONDENCE 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
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
04/13/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
04/13/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
04/13/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
04/13/2020
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
04/13/2020
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
08/14/2019
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/13/2018
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/13/2018
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
07/13/2016
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
07/13/2016
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
05/22/2015
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
05/22/2015
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
05/22/2015
E89R
TEAS SECTION 8 & 9 RECEIVED
05/20/2015
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
09/17/2008
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
07/02/2008
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
08/15/2007
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/30/2005
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
03/04/2005
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/04/2005
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
02/03/2005
E89R
TEAS SECTION 8 & 9 RECEIVED
02/03/2005
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
09/11/2000
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
05/24/2000
R.PR
REGISTERED-PRINCIPAL REGISTER
05/23/1995
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
02/23/1995
SUPC
STATEMENT OF USE PROCESSING COMPLETE
02/15/1995
EX5G
SOU EXTENSION 5 GRANTED
12/29/1994
EXT5
SOU EXTENSION 5 FILED
11/14/1994
IUAF
USE AMENDMENT FILED
11/08/1994
EX4G
SOU EXTENSION 4 GRANTED
07/28/1994
EXT4
SOU EXTENSION 4 FILED
06/09/1994
EX3G
SOU EXTENSION 3 GRANTED
02/22/1994
EXT3
SOU EXTENSION 3 FILED
12/23/1993
EX2G
SOU EXTENSION 2 GRANTED
08/30/1993
EXT2
SOU EXTENSION 2 FILED
07/12/1993
EX1G
SOU EXTENSION 1 GRANTED
02/01/1993
EXT1
SOU EXTENSION 1 FILED
12/22/1992
NOAM
NOA MAILED - SOU REQUIRED FROM APPLICANT
07/28/1992
PUBO
PUBLISHED FOR OPPOSITION
05/05/1992
NPUB
NOTICE OF PUBLICATION
04/03/1992
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
01/03/1992
DOCK
ASSIGNED TO EXAMINER
10/11/1991
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