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Patent Assignment Assignor Details
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Assignor Name : POLAREK, JAMES W.
Total Assignments: 10
Assignment: 1
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: 2
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: 3
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: 4
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: 5
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: 6
Reel/Frame:015366/0048   Pages: 3
Recorded: 11/10/2004
Attorney Dkt #:FP0404 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, ROBERT C.
Exec Dt:
09/30/2004
2
OLSEN, DAVID R.
Exec Dt:
10/01/2004
3
POLAREK, JAMES W.
Exec Dt:
10/22/2004
4
WILLIAMS, KIM E.
Exec Dt:
09/30/2004
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050058703
10901816
Correspondence name and address
JAMES E. NESBITT, PH.D.
INTELLECTUAL PROPERTY DEPT.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CA 94080
Assignment: 7
Reel/Frame:018540/0941   Pages: 5
Recorded: 11/17/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
YANG, CHUNLIN
Exec Dt:
11/15/2005
2
CHANG, ROBERT C.
Exec Dt:
11/16/2006
3
OLSEN, DAVID R.
Exec Dt:
09/11/2006
4
POLAREK, JAMES W.
Exec Dt:
09/08/2006
Assignee
1
FIBROGEN, INC.
225 GATEWAY BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060258560
10529708
Correspondence name and address
JAMES E. NESBITT, PH.D.
FIBROGEN, INC.
225 GATEWAY BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Assignment: 8
Reel/Frame:018684/0547   Pages: 3
Recorded: 12/21/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILLAS, PATRICK J.
Exec Dt:
12/18/2006
2
POLAREK, JAMES W.
Exec Dt:
09/08/2006
3
YANG, CHUNLIN
Exec Dt:
11/15/2005
Assignee
1
FIBROGEN, INC.
225 GATEWAY BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060147501
10546489
Correspondence name and address
JAMES E. NESBITT, PH.D.
FIBROGEN, INC.
225 GATEWAY BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Assignment: 9
Reel/Frame:018662/0596   Pages: 3
Recorded: 12/15/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OLSEN, DAVID R.
Exec Dt:
12/14/2006
2
POLAREK, JAMES W.
Exec Dt:
12/14/2006
3
YANG, CHUNLIN
Exec Dt:
11/18/2006
Assignee
1
FIBROGEN, INC.
225 GATEWAY BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060100138
10985570
Correspondence name and address
JAMES E. NESBITT, PH.D.
FIBROGEN, INC.
225 GATEWAY BOULEVARD
SOUTH SAN FRANCISCO, CA 94080
Assignment: 10
Reel/Frame:033032/0332   Pages: 7
Recorded: 05/22/2014
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHANG, ROBERT C.
Exec Dt:
10/04/2011
2
OLSEN, DAVID R.
Exec Dt:
10/04/2011
3
WILLIAMS, KIM E.
Exec Dt:
10/04/2011
4
POLAREK, JAMES W.
Exec Dt:
05/22/2014
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110207671
12737828
Correspondence name and address
CHRISTOPHER TURNER
C/O FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158

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