TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/24/2026
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Official data from USPTO
AMBISOME
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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
36
Latest update
06/25/2026
Trademark type
Combined
Nice classes
5
Filing date
07/24/1989
Registration date
05/29/1990
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
01/24/2020
Last transaction
06/25/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
07/24/1989
First use in commerce
07/24/1989
Drawing code
5
Owner type
03
Owner location
FOSTER CITY, CA, US
Examiner
MICHOS, JOHN E
Law office
570
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
GILEAD SCIENCES, INC.
NEXSTAR PHARMACEUTICALS, INC.
VESTAR, INC.
Representatives
Jack Wessel Gilead Sciences, Inc.
Technical classification
Nice Classes
Class 5
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
PHARMACEUTICAL PREPARATIONNAMELY A LIPOSOMAL ANTIFUNGAL PREPARATION
Publications
History of USPTO decisions and trademark events.
36 publications found
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/24/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/24/2026
NOSU
NOTICE OF SUIT
05/05/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
10/13/2021
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
10/13/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
10/13/2021
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
10/13/2021
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
10/13/2021
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
01/24/2020
RNL3
REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)
01/24/2020
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
01/24/2020
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
01/23/2020
E89R
TEAS SECTION 8 & 9 RECEIVED
12/06/2019
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
05/29/2019
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/30/2010
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/30/2010
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
03/11/2010
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
03/11/2010
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
03/08/2010
E89R
TEAS SECTION 8 & 9 RECEIVED
03/01/2010
CFIT
CASE FILE IN TICRS
12/30/2008
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/20/2007
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
01/05/2001
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
01/05/2001
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
05/22/2000
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
02/13/1997
PR23
POST REGISTRATION ACTION MAILED - SEC. 8 & 15
08/19/1996
815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
05/24/1996
R.PR
REGISTERED-PRINCIPAL REGISTER
05/29/1990
PUBO
PUBLISHED FOR OPPOSITION
03/06/1990
NPUB
NOTICE OF PUBLICATION
02/08/1990
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
12/29/1989
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
11/01/1989
CNRT
NON-FINAL ACTION MAILED
11/01/1989
DOCK
ASSIGNED TO EXAMINER
09/21/1989
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