IP Library Assignment 036752/0831
Patent Assignment
Reel/Frame 036752/0831

Assignment of Assignor's Interest

Recorded: 2015-10-07 Pages: 9
Assignors
WITSCHI, CLAUDIA
Executed: 2015-09-11
THOMPSON, MICHAEL D.
Executed: 2015-09-03
PARK, JUNG MIN
Executed: 2015-10-01
AREND, MICHAEL P.
Executed: 2015-09-02
Assignee
FIBROGEN, INC.
409 ILLINOIS ST., SAN FRANCISCO, CALIFORNIA, 94158
Covered Property (1)
Crystalline Forms of {[1-Cyano-5-(4-Chlorophenoxy)-4-Hydroxy-Isoquinoline-3-Carbonyl]-Amino}-Acetic Acid
Patent: 9,643,928 →
Application: 14/763,127 →
Publication: US 2016/0002170
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 →