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Patent Assignment Assignor Details
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Assignor Name : GUENZLER-PUKALL, VOLKMAR
Total Assignments: 32
Assignment: 1
Reel/Frame:014382/0957   Pages: 5
Recorded: 08/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
02/07/2003
2
LIN, AL Y.
Exec Dt:
02/03/2003
3
NEFF, THOMAS B.
Exec Dt:
08/01/2003
4
WANG, QINGJIAN
Exec Dt:
02/05/2003
5
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
04/14/2003
6
AREND, MICHAEL P.
Exec Dt:
02/03/2003
7
FLIPPIN, LEE A.
Exec Dt:
02/07/2003
8
MELEKHOV, ALEX
Exec Dt:
02/03/2003
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030153503
10313643
Correspondence name and address
CHRISTOPHER TURNER
225 GATEWAY BLVD.
IP DEPT.
SOUTH SAN FRANCISCO, CA 94080
Assignment: 2
Reel/Frame:033203/0448   Pages: 7
Recorded: 06/19/2014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
02/07/2003
2
LIN, AL Y.
Exec Dt:
02/03/2003
3
NEFF, THOMAS B.
Exec Dt:
08/01/2003
4
WANG, QINGJIAN
Exec Dt:
02/05/2003
5
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
04/14/2003
6
AREND, MICHAEL P.
Exec Dt:
02/03/2003
7
FLIPPIN, LEE A.
Exec Dt:
02/07/2003
8
MELEKHOV, ALEX
Exec Dt:
02/03/2003
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7438664
US20060240940
11408023
Correspondence name and address
CHRISTOPHER TURNER
C/O FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Assignment: 3
Reel/Frame:033203/0488   Pages: 6
Recorded: 06/19/2014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
02/07/2003
2
LIN, AL Y.
Exec Dt:
02/03/2003
3
NEFF,THOMAS B.
Exec Dt:
08/01/2003
4
WANG, QINGJIAN
Exec Dt:
02/05/2003
5
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
04/14/2003
6
AREND, MICHAEL P.
Exec Dt:
02/03/2003
7
FLIPPIN, LEE A.
Exec Dt:
02/07/2003
8
MELEKHOV, ALEX
Exec Dt:
02/03/2003
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110166178
12932151
Correspondence name and address
CHRISTOPHER TURNER
C/O FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Assignment: 4
Reel/Frame:033205/0238   Pages: 6
Recorded: 06/19/2014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
02/07/2003
2
LIN, AL Y.
Exec Dt:
02/03/2003
3
NEFF, THOMAS B.
Exec Dt:
08/01/2003
4
WANG, QINGJIAN
Exec Dt:
02/05/2003
5
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
04/14/2003
6
AREND, MICHAEL P.
Exec Dt:
02/03/2003
7
FLIPPIN, LEE A.
Exec Dt:
02/07/2003
8
MOLOKHOV, ALEX
Exec Dt:
02/03/2003
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060183695
11405734
Correspondence name and address
CHRISTOPHER TURNER
C/O FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Assignment: 5
Reel/Frame:033205/0355   Pages: 6
Recorded: 06/19/2014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
02/07/2003
2
LIN, AL Y
Exec Dt:
02/03/2003
3
NEFF, THOMAS B.
Exec Dt:
08/01/2003
4
WANG, QINGJIAN
Exec Dt:
02/05/2003
5
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
04/14/2003
6
AREND, MICHAEL P.
Exec Dt:
02/03/2003
7
FLIPPIN, LEE A.
Exec Dt:
02/07/2003
8
MELEKHOV, ALEX
Exec Dt:
02/03/2003
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060178317
11406484
Correspondence name and address
CHRISTOPHER TURNER
C/O FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Assignment: 6
Reel/Frame:033905/0367   Pages: 5
Recorded: 10/07/2014
Attorney Dkt #:FP0600.5 CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
04/14/2003
2
NEFF, THOMAS
Exec Dt:
08/01/2003
3
WANG, QINGJIAN
Exec Dt:
02/05/2003
4
AREND, MICHAEL
Exec Dt:
02/03/2003
5
FLIPPIN, LEE
Exec Dt:
02/07/2003
6
MELEKHOV, ALEX
Exec Dt:
02/03/2003
Assignee
1
FIBROGEN, INC
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130245037
13897207
Correspondence name and address
FIBROGEN INC.
409 ILLINOIS STREET
IP DEPT
SAN FRANCISCO, CA 94158
Assignment: 7
Reel/Frame:039097/0674   Pages: 6
Recorded: 07/07/2016
Attorney Dkt #:FP0601.6 CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J
Exec Dt:
02/07/2003
2
LIN, AL Y
Exec Dt:
02/03/2003
3
NEFF, THOMAS B
Exec Dt:
08/01/2003
4
WANG, QINGJIAN
Exec Dt:
02/05/2003
5
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
04/14/2003
6
AREND, MICHAEL P
Exec Dt:
02/03/2003
7
FLIPPIN, LEE A
Exec Dt:
02/07/2003
8
MELEKHOV, ALEX
Exec Dt:
02/03/2003
Assignee
1
FIBROGEN, INC
409 ILLINOIS ST.
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150080425
14332814
Correspondence name and address
FIBROGEN, INC
409 ILLINOIS
SAN FRANCISCO, CA 94158
Assignment: 8
Reel/Frame:053690/0943   Pages: 6
Recorded: 09/03/2020
Attorney Dkt #:148640.001411
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
02/07/2003
2
LIN, AL Y.
Exec Dt:
02/03/2003
3
NEFF, THOMAS B.
Exec Dt:
08/01/2003
4
WANG, QINGJIAN
Exec Dt:
02/05/2003
5
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
04/14/2003
6
AREND, MICHAEL P.
Exec Dt:
02/03/2003
7
FLIPPIN, LEE A.
Exec Dt:
02/07/2003
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10927081
US20180208558
15883250
Correspondence name and address
TROUTMAN PEPPER HAMILTON SANDERS LLP
501 GRANT STREET, SUITE 300
UNION TRUST BUILDING
PITTSBURGH, PA 15219-4429
Assignment: 9
Reel/Frame:054739/0624   Pages: 6
Recorded: 12/23/2020
Attorney Dkt #:148640.001431
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
02/07/2003
2
LIN, AL Y.
Exec Dt:
02/03/2003
3
NEFF, THOMAS B.
Exec Dt:
08/01/2003
4
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
04/14/2003
5
WANG, QINGJIAN
Exec Dt:
02/05/2003
6
FLIPPIN, LEE A.
Exec Dt:
02/07/2003
7
AREND, MICHAEL P.
Exec Dt:
02/03/2003
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11680047
US20210107878
17132491
Correspondence name and address
TROUTMAN PEPPER HAMILTON SANDERS LLP
501 GRANT STREET, SUITE 300
UNION TRUST BUILDING
PITTSBURGH, PA 15219-4429
Assignment: 10
Reel/Frame:057096/0579   Pages: 6
Recorded: 08/05/2021
Attorney Dkt #:148640.000381
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
02/07/2003
2
LIN, AL Y.
Exec Dt:
02/03/2003
3
NEFF, THOMAS B.
Exec Dt:
08/01/2003
4
WANG, QINGJIAN
Exec Dt:
02/05/2003
5
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
04/14/2003
6
FLIPPIN, LEE A.
Exec Dt:
02/07/2003
7
AREND, MICHAEL P.
Exec Dt:
02/03/2003
8
MELEKHOV, ALEX
Exec Dt:
02/03/2003
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210369702
17394602
Correspondence name and address
TROUTMAN PEPPER HAMILTON SANDERS LLP
501 GRANT STREET, SUITE 300
UNION TRUST BUILDING
PITTSBURGH, PA 15219-4429
Assignment: 11
Reel/Frame:014668/0521   Pages: 3
Recorded: 05/25/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
04/28/2004
2
KLAUS, STEPHEN J.
Exec Dt:
04/28/2004
3
PAROBOK, INGRID LANGSETMO
Exec Dt:
04/27/2004
4
SEELEY, TODD W.
Exec Dt:
04/29/2004
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8124582
US20040204356
10729704
Correspondence name and address
JAMES E. NESBITT, PH.D.
225 GATEWAY BLVD.
INTELLECTUAL PROPERTY DEPARTMENT
SOUTH SAN FRANCISCO, CA 94080
Assignment: 12
Reel/Frame:014889/0080   Pages: 4
Recorded: 07/22/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FOURNEY, PATRICK D.
Exec Dt:
05/21/2004
2
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
05/18/2004
3
KLAUS, STEPHEN J.
Exec Dt:
05/18/2004
4
LIN, AL Y.
Exec Dt:
05/19/2004
5
NEFF, THOMAS B.
Exec Dt:
07/01/2004
6
SEELEY, TODD W.
Exec Dt:
05/20/2004
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7618940
US20040235082
10729167
Correspondence name and address
FIBROGEN, INC.
CHRISTOPHER TURNER, PH.D.
225 GATEWAY BLVD.
SOUTH SAN FRANCISO, CA 94080
Assignment: 13
Reel/Frame:025820/0252   Pages: 7
Recorded: 02/16/2011
Attorney Dkt #:310477-1062
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AREND, MICHAEL P.
Exec Dt:
06/03/2004
2
FLIPPIN, LEE A.
Exec Dt:
06/03/2004
3
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
06/03/2004
4
HO, WEN-BEN
Exec Dt:
06/03/2004
5
TURTLE, ERIC D.
Exec Dt:
06/03/2004
6
DU, XIAOHUI
Exec Dt:
06/03/2004
Assignee
1
FIBROGEN, INC.
225 GATEWAY BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8017625
US20080293763
12015275
Correspondence name and address
LORNA L. TANNER
FOLEY & LARDNER LLP
975 PAGE MILL ROAD
PALO ALTO, CA 94304
Assignment: 14
Reel/Frame:026513/0446   Pages: 9
Recorded: 06/28/2011
Attorney Dkt #:310477-1062
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE CORRECT THE SPELLING OF AN ASSIGNOR'S NAME PREVIOUSLY RECORDED ON REEL 025820 FRAME 0252. ASSIGNOR(S) HEREBY CONFIRMS THE CORRECT THE SPELLING OF AN ASSIGNOR'S NAME.
Assignors
1
AREND, MICHAEL P.
Exec Dt:
06/03/2004
2
FLIPPIN, LEE A.
Exec Dt:
06/03/2004
3
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
06/03/2004
4
HO, WEN-BIN
Exec Dt:
06/03/2004
5
TURTLE, ERIC D.
Exec Dt:
06/03/2004
6
DU, XIAOHUI
Exec Dt:
06/03/2004
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8017625
US20080293763
12015275
Correspondence name and address
FOLEY & LARDNER LLP
975 PAGE MILL ROAD
PALO ALTO, CA 94304
Assignment: 15
Reel/Frame:028387/0511   Pages: 7
Recorded: 06/15/2012
Attorney Dkt #:310477-1101
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AREND, MICHAEL P.
Exec Dt:
06/03/2004
2
FLIPPIN, LEE A.
Exec Dt:
06/03/2004
3
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
06/03/2004
4
HO, WEN-BIN
Exec Dt:
06/03/2004
5
TURTLE, ERIC D.
Exec Dt:
06/03/2004
6
DU, XIAOHUI
Exec Dt:
06/03/2004
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8278325
US20120029011
13186351
Correspondence name and address
FOLEY & LARDNER LLP
975 PAGE MILL ROAD
LORNA TANNER
PALO ALTO, CA 94304
Assignment: 16
Reel/Frame:031215/0723   Pages: 7
Recorded: 09/16/2013
Attorney Dkt #:310477-1102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AREND, MICHAEL P.
Exec Dt:
06/03/2004
2
FLIPPIN, LEE A.
Exec Dt:
06/03/2004
3
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
06/03/2004
4
HO, WEN-BIN
Exec Dt:
06/03/2004
5
TURTLE, ERIC D.
Exec Dt:
06/03/2004
6
DU, XIAOHUI
Exec Dt:
06/03/2004
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8916585
US20130178417
13599161
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVENUE
LORNA L. TANNER
PALO ALTO, CA 94301
Assignment: 17
Reel/Frame:031215/0760   Pages: 7
Recorded: 09/16/2013
Attorney Dkt #:310477-1103
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AREND, MICHAEL P.
Exec Dt:
06/03/2004
2
FLIPPIN, LEE A.
Exec Dt:
06/03/2004
3
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
06/03/2004
4
HO, WEN-BIN
Exec Dt:
06/03/2004
5
TURTLE, ERIC D.
Exec Dt:
06/03/2004
6
DU, XIAOHUI
Exec Dt:
06/03/2004
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94301
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8765956
US20130310565
13912483
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVENUE
LORNA L. TANNER
PALO ALTO, CA 94301
Assignment: 18
Reel/Frame:033459/0470   Pages: 7
Recorded: 08/04/2014
Attorney Dkt #:19TF-191826-US9
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AREND, MICHAEL P.
Exec Dt:
06/03/2004
2
FLIPPIN, LEE A.
Exec Dt:
06/03/2004
3
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
06/03/2004
4
HO, WEN-BIN
Exec Dt:
06/03/2004
5
TURTLE, ERIC D.
Exec Dt:
06/03/2004
6
DU, XIAOHUI
Exec Dt:
06/03/2004
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9339527
US20140343094
14284325
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 19
Reel/Frame:038534/0403   Pages: 7
Recorded: 05/10/2016
Attorney Dkt #:19TF-191826-US10
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AREND, MICHAEL P.
Exec Dt:
06/03/2004
2
FLIPPIN, LEE A.
Exec Dt:
06/03/2004
3
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
06/03/2004
4
HO, WEN-BIN
Exec Dt:
06/03/2004
5
TURTLE, ERIC D.
Exec Dt:
06/03/2004
6
DU, XIAOHUI
Exec Dt:
06/03/2004
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10092558
US20170035747
15133104
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 20
Reel/Frame:050466/0570   Pages: 7
Recorded: 09/23/2019
Attorney Dkt #:19TF-191826-US11
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AREND, MICHAEL P.
Exec Dt:
06/03/2004
2
FLIPPIN, LEE A.
Exec Dt:
06/03/2004
3
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
06/03/2004
4
HO, WEN-BIN
Exec Dt:
06/03/2004
5
TURTLE, ERIC D.
Exec Dt:
06/03/2004
6
DU, XIAOHUI
Exec Dt:
06/03/2004
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10646482
US20190240213
16109562
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVENUE
PALO ALTO, CA 94301
Assignment: 21
Reel/Frame:055536/0188   Pages: 7
Recorded: 03/09/2021
Attorney Dkt #:19TF-191826-US12
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AREND, MICHAEL P.
Exec Dt:
06/03/2004
2
FLIPPIN, LEE A.
Exec Dt:
06/03/2004
3
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
06/03/2004
4
HO, WEN-BIN
Exec Dt:
06/03/2004
5
TURTLE, ERIC D.
Exec Dt:
06/03/2004
6
DU, XIAOHUI
Exec Dt:
06/03/2004
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11229637
US20210060000
16818800
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVENUE
PALO ALTO, CA 94301
Assignment: 22
Reel/Frame:015194/0079   Pages: 4
Recorded: 09/28/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
08/26/2004
2
MOLINEAUX, CHRISTOPHER J.
Exec Dt:
08/10/2004
3
NEFF, THOMAS B.
Exec Dt:
09/23/2004
4
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
08/11/2004
5
PAROBOK, INGRID LANGSETMO
Exec Dt:
08/10/2004
6
SEELEY, TODD W.
Exec Dt:
08/17/2004
7
STEPHENSON, ROBERT C.
Exec Dt:
08/11/2004
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8614204
US20050020487
10861590
Correspondence name and address
FIBROGEN, INC.
JAMES E. NESBITT, PH.D.
INTELLECTUAL PROPERTY DEPT.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CA 94080
Assignment: 23
Reel/Frame:031500/0954   Pages: 5
Recorded: 10/29/2013
Attorney Dkt #:1033866-000028
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
08/24/2004
2
MOLINEAUX, CHRISTOPHER J.
Exec Dt:
08/10/2004
3
NEFF, THOMAS B.
Exec Dt:
09/23/2004
4
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
08/11/2004
5
PAROBOK, INGRID LANGSETMO
Exec Dt:
08/10/2004
6
SEELEY, TODD W.
Exec Dt:
08/17/2004
7
STEPHENSON, ROBERT C.
Exec Dt:
08/11/2004
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
8609646
US20100280044
12804029
 
8604012
US20100278941
12804033
 
8604013
US20110038950
12804042
 
8629131
US20110039886
12804066
Correspondence name and address
TODD R. WALTERS
1737 KING STREET
SUITE 500
ALEXANDRIA, VA 22314
Assignment: 24
Reel/Frame:042148/0370   Pages: 5
Recorded: 04/26/2017
Attorney Dkt #:FP0606.8 CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J
Exec Dt:
08/26/2004
2
MOLINEAUX, CHRISTOPHER J
Exec Dt:
08/10/2004
3
NEFF, THOMAS B
Exec Dt:
09/23/2004
4
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
08/11/2004
5
LANGSETMO PAROBOK, INGRID
Exec Dt:
08/10/2004
6
SEELEY, TODD W
Exec Dt:
08/17/2004
7
STEPHENSON, ROBERT C
Exec Dt:
08/11/2004
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170216274
15493421
Correspondence name and address
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CA 94158
Assignment: 25
Reel/Frame:042148/0643   Pages: 5
Recorded: 04/26/2017
Attorney Dkt #:FP0606.7 CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J
Exec Dt:
08/26/2004
2
MOLINEAUX, CHRISTOPHER J
Exec Dt:
08/10/2004
3
NEFF, THOMAS B
Exec Dt:
09/23/2004
4
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
08/11/2004
5
LANGSETMO PAROBOK, INGRID
Exec Dt:
08/10/2004
6
SEELEY, TODD W
Exec Dt:
08/17/2004
7
STEPHENSON, ROBERT C
Exec Dt:
08/11/2004
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10626090
US20170267641
15488640
Correspondence name and address
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CA 94158
Assignment: 26
Reel/Frame:042149/0001   Pages: 5
Recorded: 04/26/2017
Attorney Dkt #:FP0606.6 CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J
Exec Dt:
08/26/2004
2
MOLINEAUX, CHRISTOPHER J
Exec Dt:
08/10/2004
3
NEFF, THOMAS B
Exec Dt:
09/23/2004
4
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
08/11/2004
5
LANGSETMO PAROBOK, INGRID
Exec Dt:
08/10/2004
6
SEELEY, TODD W
Exec Dt:
08/17/2004
7
STEPHENSON, ROBERT C
Exec Dt:
08/11/2004
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170216248
15486954
Correspondence name and address
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CA 94158
Assignment: 27
Reel/Frame:042431/0569   Pages: 5
Recorded: 05/18/2017
Attorney Dkt #:FP0606.9 CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J
Exec Dt:
08/26/2004
2
MOLINEAUX, CHRISTOPHER J
Exec Dt:
08/10/2004
3
NEFF, THOMAS B
Exec Dt:
09/23/2004
4
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
08/11/2004
5
LANGSETMO PAROBOK, INGRID
Exec Dt:
08/10/2004
6
SEELEY, TODD W
Exec Dt:
08/17/2004
7
STEPHENSON, ROBERT C
Exec Dt:
08/11/2004
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10894774
US20170224673
15498856
Correspondence name and address
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CA 94158
Assignment: 28
Reel/Frame:045882/0498   Pages: 5
Recorded: 05/23/2018
Attorney Dkt #:FP0606.10-.11 DIV
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J
Exec Dt:
08/26/2004
2
MOLINEAUX, CHRISTOPHER J
Exec Dt:
08/10/2004
3
NEFF, THOMAS B
Exec Dt:
09/23/2004
4
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
08/11/2004
5
LANGSETMO PAROBOK, INGRID
Exec Dt:
08/10/2004
6
SEELEY, TODD W
Exec Dt:
08/17/2004
7
STEPHENSON, ROBERT C
Exec Dt:
08/11/2004
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
10882827
US20180162819
15882772
 
10927081
US20180208558
15883250
Correspondence name and address
FIBROGEN INC
409 ILLINOIS STREET
IP DEPARTMENT// 6TH FLOOR
SAN FRANCISCO, CA 94158
Assignment: 29
Reel/Frame:054811/0752   Pages: 5
Recorded: 01/05/2021
Attorney Dkt #:148640.001421
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
08/26/2004
2
MOLINEAUX, CHRISTOPHER J.
Exec Dt:
08/10/2004
3
NEFF, THOMAS B.
Exec Dt:
09/23/2004
4
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
08/11/2004
5
STEPHENSON, ROBERT C.
Exec Dt:
08/11/2004
6
SEELEY, TODD W.
Exec Dt:
08/17/2004
7
LANGSETMO PAROBOK, INGRID
Exec Dt:
08/10/2004
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11680048
US20210114987
17132743
Correspondence name and address
TROUTMAN PEPPER HAMILTON SANDERS LLP
501 GRANT STREET, SUITE 300
UNION TRUST BUILDING
PITTSBURGH, PA 15219-4429
Assignment: 30
Reel/Frame:025586/0163   Pages: 5
Recorded: 12/16/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
12/07/2010
2
KLAUS, STEPHEN J.
Exec Dt:
01/04/2010
3
LIU, DAVID Y.
Exec Dt:
03/18/2010
4
SEELEY, TODD W.
Exec Dt:
04/16/2010
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060251638
10554450
Correspondence name and address
MARCELLA LILLIS, PH.D.
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Assignment: 31
Reel/Frame:025593/0071   Pages: 6
Recorded: 12/20/2010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
12/07/2010
2
WANG, QINGJIAN
Exec Dt:
06/12/2010
3
LANGSETMO PAROBOK, INGRID
Exec Dt:
10/10/2010
4
GUO, GUANGJIE
Exec Dt:
05/04/2010
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110039878
12734444
Correspondence name and address
LEANNE C. PRICE
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Assignment: 32
Reel/Frame:039100/0488   Pages: 5
Recorded: 07/07/2016
Attorney Dkt #:FP0639.1 CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUENZLER-PUKALL, VOLKMAR
Exec Dt:
12/07/2010
2
WANG, QINGJIAN
Exec Dt:
06/12/2010
3
LANGSETMO PAROBOK, INGRID
Exec Dt:
10/10/2010
4
GUO, GUANGJIE
Exec Dt:
05/04/2010
Assignee
1
FIBROGEN, INC
409 ILLINOIS
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140163061
14180720
Correspondence name and address
FIBROGEN
409 ILLINOIS ST
SAN FRANCISCO, CA 94158

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