ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
03/18/2026
Back to search
Official data from USPTO
LYSODREN
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: 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
27
Latest update
03/19/2026
Trademark type
Word
Nice classes
5
Filing date
01/23/1978
Registration date
08/15/1978
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
08/23/2018
Last transaction
03/19/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
04/14/1969
First use in commerce
04/14/1969
Drawing code
1
Owner type
34
Owner location
MONTROUGE, FR
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
ESTEVE RD FRANCE S.A.S.
ESTEVE PHARMACEUTICALS S.A.
HRA PHARMA RARE DISEASES SAS
LABORATOIRE HRA-PHARMA SAS
BRISTOL-MYERS SQUIBB COMPANY
CALBIOCHEM-BEHRING CORP.
Representatives
Lisa W. Rosaya Baker & McKenzie LLP
Technical classification
Nice Classes
Class 5
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
11-DICHLORO-2-(O-CHLOROPHENYL)-2-(PCHLOROPHENYL) ETHANE AS AN ORAL CHEMOTHERAPEUTIC AGENT
Publications
History of USPTO decisions and trademark events.
27 publications found
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
02/25/2026
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
12/13/2023
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
01/07/2021
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
01/07/2021
ECDR
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
01/07/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
01/07/2021
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
01/07/2021
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
01/07/2021
WOAG
WITHDRAWAL OF ATTORNEY GRANTED
11/05/2020
WOAR
TEAS WITHDRAWAL OF ATTORNEY RECEIVED
11/05/2020
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
08/23/2018
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
08/23/2018
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/23/2018
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
08/23/2018
E89R
TEAS SECTION 8 & 9 RECEIVED
08/14/2018
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
05/09/2018
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
04/19/2011
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
04/19/2011
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
01/05/2008
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
01/05/2008
PLGL
ASSIGNED TO PARALEGAL
01/03/2008
E89R
TEAS SECTION 8 & 9 RECEIVED
12/28/2007
CFIT
CASE FILE IN TICRS
12/27/2007
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
07/09/1998
9.AF
REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
05/29/1998
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
04/10/1984
Continuous trademark protection
Get notified about every new filing that threatens LYSODREN or your mark.
Professional 24-month watch service: we monitor USPTO for you and alert you in time to oppose — before conflicts become losses.