IP Library Assignment 035921/0249
Patent Assignment
Reel/Frame 035921/0249

Assignment of Assignor's Interest

Recorded: 2015-06-16 Pages: 11
Assignors
ZHOU, XIAOTI
Executed: 2015-03-09
AREND, MICHAEL P.
Executed: 2015-03-09
WU, MIN
Executed: 2015-03-09
FLIPPIN, LEE A.
Executed: 2015-06-02
Assignee
FIBROGEN, INC.
409 ILLINOIS ST., SAN FRANCISCO, CALIFORNIA, 94158
Covered Property (1)
Isothiazole-Pyridine Derivatives as Modulators of Hif (Hypoxia Inducible Factor) Activity
Patent: 9,387,200 →
Application: 14/609,216 →
Publication: US 2015/0209336
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest May 1, 2023
From: FIBROGEN, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION
Reel/Frame 063504/0221 →
Release of Security Interest Sep 3, 2025
From: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS AGENT
To: FIBROGEN, INC.
Reel/Frame 072785/0760 →