ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
01/27/2026
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Official data from USPTO
ZANAFLEX
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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
01/28/2026
Trademark type
Combined
Nice classes
5
Filing date
10/15/1996
Registration date
09/05/2000
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
10/21/2020
Last transaction
01/28/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
02/04/1997
First use in commerce
02/04/1997
Drawing code
5
Owner type
26
Owner location
CHRIST CHURCH, BB
Examiner
GOODSAID, IRA
Law office
M60
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
COVIS PHARMA B.V.
ACORDA THERAPEUTICS, INC
ELAN PHARMACEUTICALS, INC.
Athena Neurosciences, Inc.
Representatives
Jeffrey H. Handelsman Greenblum & Bernstein, P.L.C.
Technical classification
Nice Classes
Class 5
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
TIZANIDINE HYDROCHLORIDE FOR THE TREATMENT OF NEUROLOGICAL DISORDERSNAMELY SPASTICITYPAIN AND MOVEMENT DISORDERS
Publications
History of USPTO decisions and trademark events.
55 publications found
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
09/17/2025
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
09/05/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/05/2025
ECDR
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
09/05/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
09/05/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
09/05/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
09/05/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
09/05/2025
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
09/02/2025
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
04/01/2025
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
01/11/2023
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
10/26/2022
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
06/23/2022
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
04/06/2022
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
03/16/2022
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
02/09/2022
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
02/24/2021
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
10/21/2020
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
10/21/2020
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
10/21/2020
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
10/21/2020
E89R
TEAS SECTION 8 & 9 RECEIVED
09/03/2020
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
09/05/2019
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
01/17/2018
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
12/07/2017
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
12/07/2017
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
09/22/2010
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
09/22/2010
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
09/22/2010
E89R
TEAS SECTION 8 & 9 RECEIVED
08/25/2010
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
11/21/2007
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
11/16/2007
8.OK
REGISTERED - SEC. 8 (6-YR) ACCEPTED
12/11/2006
PLGL
ASSIGNED TO PARALEGAL
11/02/2006
8.AF
REGISTERED - SEC. 8 (6-YR) FILED
09/05/2006
PAPER RECEIVED
09/05/2006
CFIT
CASE FILE IN TICRS
02/17/2006
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
05/17/2005
R.PR
REGISTERED-PRINCIPAL REGISTER
09/05/2000
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
04/12/2000
DOCK
ASSIGNED TO EXAMINER
12/14/1999
SUPC
STATEMENT OF USE PROCESSING COMPLETE
12/03/1999
EX1G
SOU EXTENSION 1 GRANTED
12/03/1999
IUAF
USE AMENDMENT FILED
09/29/1999
EXT1
SOU EXTENSION 1 FILED
09/29/1999
NOAM
NOA MAILED - SOU REQUIRED FROM APPLICANT
03/30/1999
OP.T
OPPOSITION TERMINATED NO. 999999
02/03/1999
OP.D
OPPOSITION DISMISSED NO. 999999
02/03/1999
OP.I
OPPOSITION INSTITUTED NO. 999999
12/08/1997
ETOF
EXTENSION OF TIME TO OPPOSE RECEIVED
08/21/1997
PUBO
PUBLISHED FOR OPPOSITION
07/22/1997
NPUB
NOTICE OF PUBLICATION
06/20/1997
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
05/09/1997
DOCK
ASSIGNED TO EXAMINER
05/01/1997
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