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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : NEFF, THOMAS B.
Total Assignments: 30
Assignment: 1
Reel/Frame:009700/0781   Pages: 4
Recorded: 01/12/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFF, THOMAS B.
Exec Dt:
09/03/1998
2
MARTIN, GEORGE
Exec Dt:
08/31/1998
3
PIEZ, KARL A.
Exec Dt:
08/25/1998
4
PIHLAJANIEMI, TAINA
Exec Dt:
12/14/1998
5
KIVIRIKKO, KARI
Exec Dt:
08/25/1998
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5925736
NONE
09085363
Correspondence name and address
PENNIE & EDMONDS LLP
LAURA A. CORUZZI
1155 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 2
Reel/Frame:010315/0760   Pages: 3
Recorded: 10/19/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, CHUNLIN
Exec Dt:
08/31/1999
2
POLAREK, JAMES W.
Exec Dt:
09/22/1999
3
NEFF, THOMAS B.
Exec Dt:
09/24/1999
Assignee
1
FIBROGEN, INC.
225 GATEWAY BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020015724
09371401
Correspondence name and address
MARIETTE A. LAPIZ
LEGAL DEPARTMENT
225 GATEWAY BOULEVARD
SOUTH SAN FRANCISCO, CA 94080
Assignment: 3
Reel/Frame:011748/0423   Pages: 4
Recorded: 03/12/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, ROBERT C.
Exec Dt:
01/08/2001
2
KIVIRIKKO, KARI I.
Exec Dt:
11/29/2000
3
NEFF, THOMAS B.
Exec Dt:
01/18/2001
4
OLSEN, DAVID R.
Exec Dt:
01/05/2001
5
POLAREK, JAMES W.
Exec Dt:
01/09/2001
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6992172
NONE
09710239
Correspondence name and address
FIBROGEN, INC.
LEANNE C. PRICE, ESQ.
225 GATEWAY BLVD., IP DEPARTMENT
SOUTH SAN FRANCISCO, CA 94080
Assignment: 4
Reel/Frame:011859/0113   Pages: 4
Recorded: 03/12/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, ROBERT C.
Exec Dt:
01/08/2001
2
KIVIRIKKO, KARI I.
Exec Dt:
11/29/2000
3
NEFF, THOMAS B.
Exec Dt:
01/18/2001
4
OLSEN, DAVID R.
Exec Dt:
01/05/2001
5
POLAREK, JAMES W.
Exec Dt:
01/09/2001
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6992172
NONE
09710239
Correspondence name and address
FIBROGEN, INC.
LEANNE C. PRICE
IP DEPARTMENT
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CA 94080
Assignment: 5
Reel/Frame:011921/0741   Pages: 4
Recorded: 03/12/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, ROBERT C.
Exec Dt:
01/08/2001
2
KIVIRIKKO, KARI I.
Exec Dt:
11/29/2000
3
NEFF, THOMAS B.
Exec Dt:
01/18/2001
4
OLSEN, DAVID R.
Exec Dt:
01/05/2001
5
POLAREK, JAMES W.
Exec Dt:
01/09/2001
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6992172
NONE
09710239
Correspondence name and address
LEANNE C. PRICE, ESQ.
FIBROGEN, INC.
IP DEPARTMENT
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CA 94080
Assignment: 6
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: 7
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: 8
Reel/Frame:014570/0179   Pages: 3
Recorded: 10/09/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, CHUNLIN
Exec Dt:
02/10/2003
2
POLAREK, JAMES W.
Exec Dt:
03/27/2003
3
NEFF, THOMAS B.
Exec Dt:
08/01/2003
4
KIVIRIKKO, KARI I.
Exec Dt:
02/10/2003
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030008831
10211127
Correspondence name and address
LEANNE C. PRICE, ESQ.
INTELLECTUAL PROPERTY DEPT.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CA 94080
Assignment: 9
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: 10
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: 11
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: 12
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: 13
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: 14
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: 15
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: 16
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: 17
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: 18
Reel/Frame:033180/0888   Pages: 4
Recorded: 06/12/2014
Attorney Dkt #:FP0606.5 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
GUENZIER-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.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9920011
US20150246886
14084443
Correspondence name and address
MARCELLA LILLIS, PH. D.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Assignment: 19
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: 20
Reel/Frame:032764/0878   Pages: 3
Recorded: 04/10/2014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPONG, SUZANNO M.
Exec Dt:
07/11/2005
2
NEFF, THOMAS B.
Exec Dt:
07/18/2005
3
KLAUS, STEPHEN J.
Exec Dt:
10/17/2005
Assignee
1
FIBROGEN, INC.
409 ILLNOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8728468
US20130209451
13611494
Correspondence name and address
PAUL BORCHARDT, PH.D.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Assignment: 21
Reel/Frame:016938/0272   Pages: 3
Recorded: 10/25/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPONG, SUZANNE M.
Exec Dt:
07/11/2005
2
NEFF, THOMAS B.
Exec Dt:
10/17/2005
3
KLAUS, STEPHEN J.
Exec Dt:
07/18/2005
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050271670
11119309
Correspondence name and address
CHRISTOPHER TURNER, PH.D.
INTELLECTUAL PROPERTY DEPARTMENT
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CA 94080
Assignment: 22
Reel/Frame:016939/0358   Pages: 4
Recorded: 10/25/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIN, AL Y.
Exec Dt:
10/05/2005
2
NEFF, THOMAS B.
Exec Dt:
10/17/2005
3
OLIVER, NOELYNN A.
Exec Dt:
10/18/2005
4
USINGER, WILLIAM R.
Exec Dt:
10/04/2005
5
WANG, QINGLIAN
Exec Dt:
10/05/2005
6
YEOWELL, DAVID A.
Exec Dt:
10/13/2005
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7405274
US20040248206
10858186
Correspondence name and address
CHRISTOPHER TURNER, PH.D.
INTELLECTUAL PROPERTY DEPARTMENT
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CA 94080
Assignment: 23
Reel/Frame:033203/0841   Pages: 4
Recorded: 06/17/2014
Attorney Dkt #:FP0814.3 CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIN, AL Y.
Exec Dt:
10/05/2005
2
NEFF, THOMAS B.
Exec Dt:
10/17/2005
3
OLIVER, NOOLYNN A.
Exec Dt:
10/18/2005
4
USINGER, WILLIAM R.
Exec Dt:
10/04/2005
5
WANG, QINGJIAN
Exec Dt:
10/05/2005
6
YEOWELL, DAVID A.
Exec Dt:
10/13/2005
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9034643
US20140073047
13691356
Correspondence name and address
PAUL BORCHARDT, PH.D.
C/O FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Assignment: 24
Reel/Frame:043617/0040   Pages: 5
Recorded: 09/18/2017
Attorney Dkt #:FP0814.1 CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIN, AL Y.
Exec Dt:
10/05/2005
2
NEFF, THOMAS B.
Exec Dt:
10/17/2005
3
OLIVER, NOELYNN A.
Exec Dt:
10/18/2005
4
USINGER, WILLIAM R.
Exec Dt:
10/04/2005
5
WANG, QINGJIAN
Exec Dt:
10/05/2005
6
YEOWELL, DAVID A.
Exec Dt:
10/13/2005
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7871617
US20090017043
12157262
Correspondence name and address
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CA 94158
Assignment: 25
Reel/Frame:061192/0608   Pages: 5
Recorded: 09/23/2022
Attorney Dkt #:148640-002171
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIN, AL Y.
Exec Dt:
10/05/2005
2
NEFF, THOMAS B.
Exec Dt:
10/17/2005
3
OLIVER, NOELYNN A.
Exec Dt:
10/18/2005
4
USINGER, WILLIAM R.
Exec Dt:
10/04/2005
5
WANG, QINGJIAN
Exec Dt:
10/05/2005
6
YEOWELL, DAVID A.
Exec Dt:
10/13/2005
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210230259
17014852
Correspondence name and address
DLA PIPER LLP (US)
ONE LIBERTY PLACE
1650 MARKET STREET, SUITE 5000
PHILADELPHIA, PA 19103-7300
Assignment: 26
Reel/Frame:062162/0545   Pages: 5
Recorded: 12/20/2022
Attorney Dkt #:148640-002181
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIN, AL Y.
Exec Dt:
10/05/2005
2
NEFF, THOMAS B.
Exec Dt:
10/17/2005
3
OLIVER, NOELYNN A.
Exec Dt:
10/18/2005
4
USINGER, WILLIAM R.
Exec Dt:
10/04/2005
5
WANG, QINGJIAN
Exec Dt:
10/05/2005
6
YEOWELL, DAVID A.
Exec Dt:
10/13/2005
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240076364
18068977
Correspondence name and address
DLA PIPER LLP (US)
ONE LIBERTY PLACE
1650 MARKET STREET, SUITE 5000
PHILADELPHIA, PA 19103-7300
Assignment: 27
Reel/Frame:020292/0049   Pages: 4
Recorded: 12/20/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
09/06/2006
2
WANG, QINGJIAN
Exec Dt:
09/14/2006
3
NEFF, THOMAS B.
Exec Dt:
12/11/2007
Assignee
1
FIBROGEN, INC.
225 GATEWAY BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8318703
US20120149712
11446417
Correspondence name and address
JAMES E. NESBITT, PH.D.
FIBROGEN, INC.
225 GATEWAY BOULEVARD
SOUTH SAN FRANCISCO, CA 94080
Assignment: 28
Reel/Frame:020292/0087   Pages: 6
Recorded: 12/20/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FLYVBJERG, ALLAN
Exec Dt:
07/20/2006
2
GUO, GUANGJLE
Exec Dt:
09/12/2006
3
LIU, DAVID Y.
Exec Dt:
09/06/2006
4
NEFF, THOMAS B.
Exec Dt:
12/11/2007
5
OLIVER, NOELYNN A.
Exec Dt:
01/19/2007
6
USINGER, WILLIAM R.
Exec Dt:
08/16/2006
7
WANG, QINGJLAN
Exec Dt:
09/14/2006
Assignee
1
FIBROGEN, INC.
225 GATEWAY BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050214294
11057323
Correspondence name and address
JAMES E. NESBITT, PH.D.
FIBROGEN, INC.
225 GATEWAY BOULEVARD
SOUTH SAN FRANCISCO, CA 94080
Assignment: 29
Reel/Frame:029848/0725   Pages: 2
Recorded: 02/21/2013
Attorney Dkt #:FP0624 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
NEFF, THOMAS B.
Exec Dt:
02/11/2013
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060276477
11448326
Correspondence name and address
MARCELLA LILLIS, PH.D.
409 ILLINOIS STREET
SAN FRANCISCO, CA 94158
Assignment: 30
Reel/Frame:029859/0791   Pages: 4
Recorded: 02/22/2013
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLAUS, STEPHEN J.
Exec Dt:
10/16/2011
2
NEFF, THOMAS B.
Exec Dt:
02/17/2013
3
WALKINSHAW, GAIL
Exec Dt:
02/06/2013
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110263642
12737917
Correspondence name and address
CHRISTOPHER TURNER
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158

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