NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
04/02/2026
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Official data from USPTO
LEUKERAN
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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
49
Latest update
04/21/2026
Trademark type
Word
Nice classes
5, 18
Filing date
05/18/1956
Registration date
01/15/1957
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
04/02/2026
Last transaction
04/21/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
04/05/1956
First use in commerce
04/05/1956
Drawing code
1
Owner type
16
Owner location
BAYAMON, PR, US
Current location
PUBLICATION AND ISSUE SECTION
Holders and representatives
Holders
WOODWARD SPECIALTY LLC
WAYLIS THERAPEUTICS LLC
WOODWARD SPECIALTY LLC
A. I. (pessoa física)
GLAXOSMITHKLINE LLC
S. C. (pessoa física)
GLAXO WELLCOME INC.
BURROUGHS WELLCOME & CO. (U. S. A.) INC.
Representatives
Steven M. Forte Honigman LLP
Technical classification
Nice Classes
Class 5Class 18
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
No specification.
Class 18
MEDICINAL PREPARATION USEFUL IN THE TREATMENT OF CERTAIN NEOPLASTIC DISEASESESPECIALLY THOSE RELATED TO LYMPHOCYTIC TISSUE
Publications
History of USPTO decisions and trademark events.
49 publications found
RNL5
REGISTERED AND RENEWED (FIFTH RENEWAL - 10 YRS)
04/02/2026
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
04/02/2026
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
04/02/2026
E89R
TEAS SECTION 8 & 9 RECEIVED
01/23/2026
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
01/15/2026
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
10/30/2024
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/12/2024
EWOR
TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED
09/12/2024
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
09/12/2024
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
09/12/2024
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
09/12/2024
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
09/12/2024
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
07/22/2024
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
05/04/2022
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
07/16/2021
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
07/16/2021
ECDR
TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS
07/16/2021
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
07/16/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
07/16/2021
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
07/16/2021
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
07/16/2021
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
07/11/2017
RNL4
REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)
07/11/2017
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
07/11/2017
EROP
TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
06/22/2017
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
05/17/2017
PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
03/01/2017
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
03/01/2017
E89R
TEAS SECTION 8 & 9 RECEIVED
01/03/2017
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
01/15/2016
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/22/2013
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/22/2013
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/22/2013
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/22/2013
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
02/10/2010
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
01/15/2010
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
01/15/2010
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
12/16/2009
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
12/09/2009
CFIT
CASE FILE IN TICRS
12/10/2007
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
02/06/2007
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
02/06/2007
PLGL
ASSIGNED TO PARALEGAL
02/06/2007
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
12/06/2006
E89R
TEAS SECTION 8 & 9 RECEIVED
12/06/2006
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
11/06/1996
9.AF
REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8
08/22/1996
REN1
REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)
01/15/1977
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