Patent Assignment
Reel/Frame 053690/0943
Assignment of Assignor's Interest
Recorded: 2020-09-03
Pages: 6
Assignors
KLAUS, STEPHEN J.
Executed: 2003-02-07
LIN, AL Y.
Executed: 2003-02-03
NEFF, THOMAS B.
Executed: 2003-08-01
WANG, QINGJIAN
Executed: 2003-02-05
GUENZLER-PUKALL, VOLKMAR
Executed: 2003-04-14
AREND, MICHAEL P.
Executed: 2003-02-03
FLIPPIN, LEE A.
Executed: 2003-02-07
Assignee
FIBROGEN, INC.
225 GATEWAY BLVD., SOUTH SAN FRANCISCO, CALIFORNIA, 94080
Covered Property
(1)
Enhanced Erythropoiesis and Iron Metabolism
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 23, 2018
From: KLAUS, STEPHEN J; MOLINEAUX, CHRISTOPHER J; NEFF, THOMAS B; GUENZLER-PUKALL, VOLKMAR
To: FIBROGEN, INC.
Reel/Frame 045882/0498 →
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 →