ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
05/06/2026
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Official data from USPTO
FIBROGEN
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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
55
Latest update
05/07/2026
Trademark type
Word
Nice classes
5
Filing date
05/04/2009
Registration date
02/07/2012
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
06/04/2021
Last transaction
05/07/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
10/20/2011
First use in commerce
10/20/2011
Drawing code
4
Owner type
03
Owner location
SAN FRANCISCO, CA, US
Examiner
PRICE, WANDA
Law office
L30
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
KYNTRA BIO, INC.
FibroGen, Inc.
Representatives
Harold Milstein Sheppard Mullin Richter & Hampton LLP
Technical classification
Nice Classes
Class 5
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
Anti-connective tissue growth factor antibodies for clinical or pharmaceutical use
Publications
History of USPTO decisions and trademark events.
55 publications found
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
10/07/2024
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
10/07/2024
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
10/07/2024
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
10/07/2024
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
10/07/2024
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
04/15/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
04/15/2022
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
04/15/2022
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
06/04/2021
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
06/04/2021
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
06/04/2021
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
06/04/2021
E89R
TEAS SECTION 8 & 9 RECEIVED
03/01/2021
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
02/07/2021
NA85
NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
04/14/2017
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
04/13/2017
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
04/13/2017
E815
TEAS SECTION 8 & 15 RECEIVED
02/14/2017
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
02/07/2017
R.PR
REGISTERED-PRINCIPAL REGISTER
02/07/2012
SUNA
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
01/06/2012
REGV
LAW OFFICE REGISTRATION REVIEW COMPLETED
01/05/2012
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
01/04/2012
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
11/18/2011
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
11/17/2011
SUPC
STATEMENT OF USE PROCESSING COMPLETE
11/17/2011
EX4G
SOU EXTENSION 4 GRANTED
11/17/2011
IUAF
USE AMENDMENT FILED
11/10/2011
EXT4
SOU EXTENSION 4 FILED
11/10/2011
EEXT
SOU TEAS EXTENSION RECEIVED
11/10/2011
EISU
TEAS STATEMENT OF USE RECEIVED
11/10/2011
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
06/01/2011
EX3G
SOU EXTENSION 3 GRANTED
05/31/2011
EXT3
SOU EXTENSION 3 FILED
05/27/2011
EEXT
SOU TEAS EXTENSION RECEIVED
05/27/2011
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
12/06/2010
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
12/02/2010
EX2G
SOU EXTENSION 2 GRANTED
12/01/2010
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
12/01/2010
EXT2
SOU EXTENSION 2 FILED
11/17/2010
EEXT
SOU TEAS EXTENSION RECEIVED
11/17/2010
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
04/13/2010
EX1G
SOU EXTENSION 1 GRANTED
04/09/2010
EXT1
SOU EXTENSION 1 FILED
04/09/2010
EEXT
SOU TEAS EXTENSION RECEIVED
04/09/2010
NOAM
NOA MAILED - SOU REQUIRED FROM APPLICANT
12/01/2009
PUBO
PUBLISHED FOR OPPOSITION
09/08/2009
NPUB
NOTICE OF PUBLICATION
08/19/2009
PREV
LAW OFFICE PUBLICATION REVIEW COMPLETED
08/06/2009
ALIE
ASSIGNED TO LIE
08/06/2009
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
07/29/2009
DOCK
ASSIGNED TO EXAMINER
07/29/2009
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
05/07/2009
NWAP
NEW APPLICATION ENTERED
05/07/2009
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