ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
02/18/2026
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Official data from USPTO
MESTINON
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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
52
Latest update
02/19/2026
Trademark type
Word
Nice classes
5, 18
Filing date
11/03/1953
Registration date
07/27/1954
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
05/29/2024
Last transaction
02/19/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
10/16/1953
First use in commerce
10/16/1953
Drawing code
1
Owner type
16
Owner location
Bridgewater, NJ
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
BAUSCH HEALTH US, LLC
VALEANT PHARMACEUTICALS NORTH AMERICA LLC
V. A. (pessoa física)
V. I. (pessoa física)
ICN PHARMACEUTICALS, INC.
HOFFMANN-LA ROCHE INC.
Representatives
Jeremy Blackowicz Bausch Health Companies
Technical classification
Nice Classes
Class 5Class 18
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
No specification.
Class 18
ANTICHOLINESTERASE PREPARATION
Publications
History of USPTO decisions and trademark events.
52 publications found
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
02/11/2026
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
05/14/2025
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
05/07/2025
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
04/16/2025
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
05/29/2024
RNL5
REGISTERED AND RENEWED (FIFTH RENEWAL - 10 YRS)
05/29/2024
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
05/29/2024
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
05/29/2024
E89R
TEAS SECTION 8 & 9 RECEIVED
02/16/2024
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
07/27/2023
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
12/28/2022
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
12/14/2022
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
08/22/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
08/22/2022
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
08/22/2022
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
06/23/2022
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
03/09/2022
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
10/16/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
10/16/2021
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
10/16/2021
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
11/25/2020
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
05/11/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
05/11/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
05/11/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
05/11/2020
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
05/11/2020
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
01/22/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
10/16/2018
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
10/16/2018
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
01/21/2015
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
08/06/2014
RNL4
REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)
08/06/2014
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/06/2014
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
08/06/2014
E89R
TEAS SECTION 8 & 9 RECEIVED
07/22/2014
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
07/22/2014
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
07/20/2011
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
04/27/2011
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
03/23/2011
CFIT
CASE FILE IN TICRS
10/14/2008
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
08/22/2007
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/22/2007
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/22/2007
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
07/10/2004
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
07/10/2004
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
05/04/2004
E89R
TEAS SECTION 8 & 9 RECEIVED
05/04/2004
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
05/04/2004
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
05/05/1994
9.AF
REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
01/14/1994
REN1
REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)
07/27/1974
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