EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
01/28/2026
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Official data from USPTO
PLAQUENIL
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: US
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
41
Latest update
03/19/2026
Classification
Registered
Trademark type
Word
Nice classes
5, 18
Filing date
08/10/1960
Registration date
03/07/1961
Expiration date
-
Recommended action
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Next step
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Complete case details
Structured fields from the responsible authority and the official record.
Status date
04/08/2021
Last transaction
03/19/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
07/17/1951
First use in commerce
07/17/1951
Drawing code
1
Owner type
99
Owner location
Luxembourg, LU
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
CONCORDIA PHARMACEUTICALS INC.
SANOFI-AVENTIS U.S. LLC
SANOFI-SYNTHELABO INC.
Sterling Drug Inc.
Representatives
Caroline Duncan Baker Botts L.L.P.
Technical classification
Nice Classes
Class 5Class 18
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
No specification.
Class 18
Preparation for the Treatment of MalariaRheumatoid Arthritis Light SensitiviTty Skin EruptionsSuch as Lupus ErythematosusOther Similar Conditions
Publications
History of USPTO decisions and trademark events.
41 publications found
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
01/28/2026
ECDR
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
01/28/2026
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
01/28/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
01/28/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
01/28/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
01/28/2026
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
06/09/2021
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
04/09/2021
RNL4
REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)
04/08/2021
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
04/08/2021
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
04/08/2021
E89R
TEAS SECTION 8 & 9 RECEIVED
12/28/2020
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
03/07/2020
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
09/12/2018
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/14/2017
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/14/2017
C.7C
NEW CERTIFICATE UNDER SECTION 7 - PROCESSED
09/01/2016
C.7C
NEW CERTIFICATE UNDER SECTION 7 - PROCESSED
08/20/2016
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
08/20/2016
ES7R
TEAS SECTION 7 REQUEST RECEIVED
06/09/2016
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
03/02/2016
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
11/18/2015
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
10/28/2015
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/18/2015
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/18/2015
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
04/29/2015
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
04/22/2013
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
04/22/2013
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
04/17/2013
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
04/10/2013
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
03/24/2011
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/24/2011
E89R
TEAS SECTION 8 & 9 RECEIVED
03/02/2011
CFIT
CASE FILE IN TICRS
10/23/2008
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
11/29/2006
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
05/31/2001
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
05/31/2001
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
02/15/2001
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
10/25/1984
REN1
REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)
03/07/1981
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