EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
01/29/2026
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Official data from USPTO
ZITHROMAX
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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
53
Latest update
01/31/2026
Trademark type
Word
Nice classes
5
Filing date
03/05/1990
Registration date
07/21/1992
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
01/28/2023
Last transaction
01/31/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
03/16/1992
First use in commerce
03/16/1992
Drawing code
1
Owner type
03
Owner location
New York, NY
Examiner
KREBS, CATHERINE K.
Law office
G70
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
PFIZER INC.
Representatives
Andrea Christensen
Technical classification
Nice Classes
Class 5
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
an antibiotic preparation
Publications
History of USPTO decisions and trademark events.
53 publications found
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
01/29/2026
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
01/29/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
01/29/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
03/14/2023
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/14/2023
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/14/2023
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/14/2023
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
03/14/2023
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
01/28/2023
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
01/28/2023
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
01/28/2023
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
01/28/2023
E89R
TEAS SECTION 8 & 9 RECEIVED
07/14/2022
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
07/21/2021
CORV
REVIEW OF CORRESPONDENCE COMPLETE - POWER OF ATTORNEY ENTERED
06/02/2020
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
06/02/2020
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
03/19/2020
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
03/19/2020
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
03/19/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
03/19/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
03/19/2020
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
03/19/2020
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
02/28/2012
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
02/28/2012
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
02/28/2012
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
01/20/2012
E89R
TEAS SECTION 8 & 9 RECEIVED
01/20/2012
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/27/2008
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/27/2008
CFIT
CASE FILE IN TICRS
02/01/2008
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/03/2005
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
07/03/2002
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
07/03/2002
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
04/19/2002
PAPER RECEIVED
04/19/2002
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
03/20/1998
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
02/11/1998
R.PR
REGISTERED-PRINCIPAL REGISTER
07/21/1992
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
05/22/1992
DOCK
ASSIGNED TO EXAMINER
05/06/1992
SUPC
STATEMENT OF USE PROCESSING COMPLETE
04/23/1992
IUAF
USE AMENDMENT FILED
04/06/1992
EX2G
SOU EXTENSION 2 GRANTED
02/24/1992
EXT2
SOU EXTENSION 2 FILED
11/18/1991
EX1G
SOU EXTENSION 1 GRANTED
04/04/1991
EXT1
SOU EXTENSION 1 FILED
03/25/1991
NOAM
NOA MAILED - SOU REQUIRED FROM APPLICANT
11/27/1990
PUBO
PUBLISHED FOR OPPOSITION
09/04/1990
NPUB
NOTICE OF PUBLICATION
08/09/1990
NPUB
NOTICE OF PUBLICATION
08/06/1990
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
06/26/1990
DOCK
ASSIGNED TO EXAMINER
06/08/1990
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