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Patent Assignment Assignor Details
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Assignor Name : FLIPPIN, LEE A.
Total Assignments: 37
Assignment: 1
Reel/Frame:008108/0230   Pages: 6
Recorded: 08/26/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEINHARDT, KLAUS K.
Exec Dt:
08/21/1996
2
BERGER, JACOB
Exec Dt:
08/21/1996
3
CARTER, DAVID S.
Exec Dt:
08/15/1996
4
FLIPPIN, LEE A.
Exec Dt:
08/21/1996
Assignee
1
SYNTEX (U.S.A.) INC.
PATENT LAW DEPARTMENT, R2-201
3401 HILLVIEW AVENUE
PALO ALTO, CALIFORNIA 94304
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5739336
NONE
08667247
Correspondence name and address
HELLER EHRMAN WHITE & MCAULIFFE
DEREK P. FREYBERG
525 UNIVERSITY AVENUE
PALO ALTO, CA 94301-1900
Assignment: 2
Reel/Frame:014382/0945   Pages: 4
Recorded: 08/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUENZLER-PUKALL, VOLKMER
Exec Dt:
04/14/2003
2
NEFF, THOMAS B.
Exec Dt:
08/01/2003
3
WANG, QINGJIAN
Exec Dt:
02/05/2003
4
AREND, MICHAEL P.
Exec Dt:
02/03/2003
5
FLIPPIN, LEE A.
Exec Dt:
02/07/2003
6
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
US20030176317
10313551
Correspondence name and address
CHRISTOPHER TURNER, PH.D.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CA 94080
Assignment: 3
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: 4
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: 5
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: 6
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: 7
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: 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:015445/0636   Pages: 6
Recorded: 06/04/2004
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
GUENZLER0-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 BOULEVARD
SOUTH SAN FRANCISO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7323475
US20040254215
10861082
Correspondence name and address
FOLEY & LANDNER LLP
GERRALD F. SWISS
3000 EL CAMINO REAL, SUITE 100
PALO ALTO, CA 94306
Assignment: 12
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: 13
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: 14
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: 15
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: 16
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: 17
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: 18
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: 19
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: 20
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: 21
Reel/Frame:018566/0786   Pages: 6
Recorded: 11/30/2006
Attorney Dkt #:310477-1251
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TURTLE, ERIC D.
Exec Dt:
11/10/2006
2
FLIPPIN, LEE A.
Exec Dt:
10/25/2006
3
AREND, MICHAEL P.
Exec Dt:
10/26/2006
4
CHENG, HENG
Exec Dt:
11/16/2006
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8703795
US20060199836
11367969
Correspondence name and address
LORNA L. TANNER
1530 PAGE MILL ROAD
PALO ALTO, CA 94304
Assignment: 22
Reel/Frame:033433/0033   Pages: 6
Recorded: 07/31/2014
Attorney Dkt #:19TF-191837-US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TURTLE, ERIC D.
Exec Dt:
11/10/2006
2
FLIPPIN, LEE A.
Exec Dt:
10/25/2006
3
AREND, MICHAEL P.
Exec Dt:
10/26/2006
4
CHENG, HENG
Exec Dt:
11/16/2006
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9000006
US20140221422
14249281
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 23
Reel/Frame:023694/0938   Pages: 7
Recorded: 12/23/2009
Attorney Dkt #:310477-1351
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AREND, MICHAEL P.
Exec Dt:
12/09/2009
2
FLIPPIN, LEE A.
Exec Dt:
12/09/2009
3
WU, MIN
Exec Dt:
12/10/2009
4
TURTLE, ERIC D.
Exec Dt:
07/22/2009
5
HO, WEN-BIN
Exec Dt:
12/09/2009
6
DENG, SHAOJIANG
Exec Dt:
12/10/2009
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7928120
US20070298104
11627906
Correspondence name and address
LORNA L. TANNER
SWISS TANNER, P.C.
P.O. BOX 1749
LOS ALTOS, CA 94023
Assignment: 24
Reel/Frame:023695/0001   Pages: 5
Recorded: 12/23/2009
Attorney Dkt #:310477-2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DENG, SHAOJIANG
Exec Dt:
12/10/2009
2
HO, WEN-BIN
Exec Dt:
12/09/2009
3
FLIPPIN, LEE A.
Exec Dt:
12/09/2009
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8217043
US20100047367
12544861
Correspondence name and address
LORNA L. TANNER
SWISS TANNER, P.C.
P.O. BOX 1749
LOS ALTOS, CA 94023
Assignment: 25
Reel/Frame:023695/0041   Pages: 8
Recorded: 12/23/2009
Attorney Dkt #:310477-1401
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DENG, SHAOJIANG
Exec Dt:
12/10/2009
2
WU, MIN
Exec Dt:
12/10/2009
3
TURTLE, ERIC D.
Exec Dt:
07/22/2009
4
HO, WEN-BIN
Exec Dt:
12/09/2009
5
AREND, MICHAEL P.
Exec Dt:
12/09/2009
6
FLIPPIN, LEE A.
Exec Dt:
12/09/2009
7
CHENG, HENG
Exec Dt:
01/08/2008
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7696223
US20080004309
11696549
Correspondence name and address
LORNA L. TANNER
SWISS TANNER, P.C.
P.O. BOX 1749
LOS ALTOS, CA 94023
Assignment: 26
Reel/Frame:031498/0897   Pages: 7
Recorded: 10/29/2013
Attorney Dkt #:191827-US3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AREND, MICHAEL P.
Exec Dt:
12/09/2009
2
FLIPPIN, LEE A.
Exec Dt:
12/09/2009
3
WU, MIN
Exec Dt:
12/10/2009
4
TURTLE, ERIC D.
Exec Dt:
07/22/2009
5
HO, WEN-BIN
Exec Dt:
12/09/2009
6
DENG, SHAOJIANG
Exec Dt:
12/10/2009
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8759373
US20120178755
13430568
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVENUE
PALO ALTO, CA 94301-1479
Assignment: 27
Reel/Frame:034751/0802   Pages: 7
Recorded: 01/12/2015
Attorney Dkt #:19TF-191827-US5
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FLIPPIN, LEE A.
Exec Dt:
12/09/2009
2
HO, WEN-BIN
Exec Dt:
12/09/2009
3
TURTLE, ERIC D.
Exec Dt:
07/22/2009
4
AREND, MICHAEL P.
Exec Dt:
12/09/2009
5
DENG, SHAOJIANG
Exec Dt:
12/10/2009
6
WU, MIN
Exec Dt:
12/10/2009
Assignee
1
FIBROGEN, INC.
409 ILLINOIS ST.
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9174976
US20150031696
14289573
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 28
Reel/Frame:037127/0604   Pages: 7
Recorded: 11/17/2015
Attorney Dkt #:19TF-191827-US6
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AREND, MICHAEL P.
Exec Dt:
12/09/2009
2
FLIPPIN, LEE A.
Exec Dt:
12/09/2009
3
WU, MIN
Exec Dt:
12/10/2009
4
TURTLE, ERIC D.
Exec Dt:
07/22/2009
5
HO, WEN-BIN
Exec Dt:
12/09/2009
6
DENG, SHAOJIANG
Exec Dt:
12/10/2009
Assignee
1
FIBROGEN, INC.
409 ILLINOIS ST.
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160009653
14860560
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 29
Reel/Frame:025933/0275   Pages: 9
Recorded: 03/10/2011
Attorney Dkt #:310477-1751
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AREND, MICHAEL P.
Exec Dt:
03/04/2011
2
CHENG, HENG
Exec Dt:
06/12/2010
3
FLIPPIN, LEE A.
Exec Dt:
03/02/2011
4
NG, DANNY
Exec Dt:
03/03/2011
5
TURTLE, ERIC D.
Exec Dt:
06/17/2010
6
WU, MIN
Exec Dt:
03/07/2011
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8269008
US20100303928
12734895
Correspondence name and address
LORNA L. TANNER
FOLEY & LARDNER LLP
975 PAGE MILL ROAD
PALO ALTO, CA 94304
Assignment: 30
Reel/Frame:026196/0459   Pages: 5
Recorded: 04/28/2011
Attorney Dkt #:310477-1801
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHOU, XIAOTI
Exec Dt:
04/27/2011
2
AREND, MICHAEL P.
Exec Dt:
03/04/2011
3
WU, MIN
Exec Dt:
03/07/2011
4
FLIPPIN, LEE A.
Exec Dt:
03/02/2011
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94518
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8952160
US20100330199
12811821
Correspondence name and address
FOLEY & LARDNER LLP
975 PAGE MILL ROAD
LORNA TANNER
PALO ALTO, CA 94304
Assignment: 31
Reel/Frame:027028/0568   Pages: 8
Recorded: 10/06/2011
Attorney Dkt #:310477-2601
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HO, WEN-BIN
Exec Dt:
10/04/2011
2
WRIGHT, LEE R.
Exec Dt:
09/20/2011
3
TURTLE, ERIC D.
Exec Dt:
07/18/2011
4
MOSSMAN, CRAIG
Exec Dt:
07/21/2011
5
FLIPPIN, LEE A.
Exec Dt:
10/04/2011
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8927591
US20110305776
13128620
Correspondence name and address
FOLEY & LARDNER LLP
975 PAGE MILL ROAD
LORNA TANNER
PALO ALTO, CA 94304
Assignment: 32
Reel/Frame:034911/0036   Pages: 8
Recorded: 02/06/2015
Attorney Dkt #:19TF-191799-US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HO, WEN-BIN
Exec Dt:
10/04/2011
2
FLIPPIN, LEE A.
Exec Dt:
10/04/2011
3
MOSSMAN, CRAIG
Exec Dt:
07/21/2011
4
TURTLE, ERIC D.
Exec Dt:
07/18/2011
5
WRIGHT, LEE R.
Exec Dt:
09/20/2011
Assignee
1
FIBROGEN, INC.
409 ILLINOIS ST.
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9149476
US20150182528
14582914
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 33
Reel/Frame:031558/0059   Pages: 7
Recorded: 11/06/2013
Attorney Dkt #:191802.US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NG, DANNY
Exec Dt:
11/06/2013
2
AREND, MICHAEL P.
Exec Dt:
11/06/2013
3
FLIPPIN, LEE A.
Exec Dt:
11/06/2013
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8921389
US20140088101
13983025
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVENUE
PALO ALTO, CA 94301-1479
Assignment: 34
Reel/Frame:034781/0683   Pages: 6
Recorded: 01/20/2015
Attorney Dkt #:19TF-191802-US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FLIPPIN, LEE A.
Exec Dt:
11/06/2013
2
NG, DANNY
Exec Dt:
11/06/2013
3
AREND, MICHAEL P.
Exec Dt:
11/06/2013
Assignee
1
FIBROGEN, INC.
409 ILLINOIS ST.
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9271970
US20150174110
14581592
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 35
Reel/Frame:037745/0736   Pages: 6
Recorded: 02/16/2016
Attorney Dkt #:19TF-191802-US3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NG, DANNY
Exec Dt:
11/06/2013
2
AREND, MICHAEL P.
Exec Dt:
11/06/2013
3
FLIPPIN, LEE A.
Exec Dt:
11/06/2013
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9695170
US20160159796
15043286
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVENUE
PALO ALTO, CA 94301
Assignment: 36
Reel/Frame:034594/0216   Pages: 13
Recorded: 12/29/2014
Attorney Dkt #:19TF-192364-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HO, WEN-BIN
Exec Dt:
09/16/2014
2
ZHAO, HONGDA
Exec Dt:
09/17/2014
3
DENG, SHAOJIANG
Exec Dt:
09/16/2014
4
NG, DANNY
Exec Dt:
09/16/2014
5
WRIGHT, LEE R.
Exec Dt:
09/16/2014
6
WU, MIN
Exec Dt:
09/16/2014
7
ZHOU, XIAOTI
Exec Dt:
09/16/2014
8
AREND, MICHAEL P.
Exec Dt:
09/16/2014
9
FLIPPIN, LEE A.
Exec Dt:
09/16/2014
Assignee
1
FIBROGEN, INC.
409 ILLINOIS ST.
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9409892
US20150038528
14383874
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 37
Reel/Frame:035921/0249   Pages: 11
Recorded: 06/16/2015
Attorney Dkt #:19TF-191833-US2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHOU, XIAOTI
Exec Dt:
03/09/2015
2
AREND, MICHAEL P.
Exec Dt:
03/09/2015
3
WU, MIN
Exec Dt:
03/09/2015
4
FLIPPIN, LEE A.
Exec Dt:
06/02/2015
Assignee
1
FIBROGEN, INC.
409 ILLINOIS ST.
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9387200
US20150209336
14609216
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301

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