IP Library Assignment 031526/0456
Patent Assignment
Reel/Frame 031526/0456

Change of Address

Recorded: 2013-10-31 Pages: 3
Assignor
FIBROGEN, INC.
Executed: 2013-10-31
Assignee
FIBROGEN, INC.
409 ILLINOIS STREET, SAN FRANCISCO, CALIFORNIA, 94158
Covered Properties (5)
Enhanced erythropoiesis and iron metabolism
Patent: 8,614,204 →
Application: 10/861,590 →
Publication: US 2005/0020487
Enhanced erythropoiesis and iron metabolism
Patent: 8,609,646 →
Application: 12/804,029 →
Publication: US 2010/0280044
Enhanced Erythropoiesis and Iron Metabolism
Patent: 8,604,012 →
Application: 12/804,033 →
Publication: US 2010/0278941
Enhanced Erythropoiesis and Iron Metabolism
Patent: 8,604,013 →
Application: 12/804,042 →
Publication: US 2011/0038950
Enhanced Erythropoiesis and Iron Metabolism
Patent: 8,629,131 →
Application: 12/804,066 →
Publication: US 2011/0039886
Related Assignments (4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Sep 28, 2004
From: KLAUS, STEPHEN J.; MOLINEAUX, CHRISTOPHER J.; NEFF, THOMAS B.; GUENZLER-PUKALL, VOLKMAR
To: FIBROGEN, INC.
Reel/Frame 015194/0079 →
Assignment of Assignor's Interest Oct 29, 2013
From: KLAUS, STEPHEN J.; MOLINEAUX, CHRISTOPHER J.; NEFF, THOMAS B.; GUENZLER-PUKALL, VOLKMAR
To: FIBROGEN, INC.
Reel/Frame 031500/0954 →
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 →