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Patent Assignment Assignor Details
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Assignor Name : LIPSON, KENNETH E.
Total Assignments: 5
Assignment: 1
Reel/Frame:014738/0894   Pages: 18
Recorded: 06/16/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/05/2004
2
Exec Dt:
05/14/2004
3
Exec Dt:
06/11/2004
4
Exec Dt:
05/08/2004
Assignee
1
230 EAST GRAND AVENUE
SOUTH SAN FRANCISCO, CALIFORNIA 94080-4811
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10793952
Correspondence name and address
FOLEY & LARDNER LLP
BETH A. BURROUS
3000 K STREET, N.W., SUITE 500
WASHINGTON HARBOUR
WASHINGTON, DC 20007-5143
Assignment: 2
Reel/Frame:017621/0604   Pages: 6
Recorded: 02/23/2006
Attorney Dkt #:59683US003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/23/2006
2
Exec Dt:
02/23/2006
3
Exec Dt:
02/23/2006
4
Exec Dt:
02/23/2006
5
Exec Dt:
02/23/2006
6
Exec Dt:
02/23/2006
7
Exec Dt:
02/23/2006
8
Exec Dt:
02/23/2006
9
Exec Dt:
02/23/2006
10
Exec Dt:
02/23/2006
11
Exec Dt:
02/23/2006
12
Exec Dt:
02/23/2006
Assignee
1
P.O. BOX 33427
ST. PAUL, MINNESOTA 55133-3427
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11360071
Correspondence name and address
3M INNOVATIVE PROPERTIES COMPANY
PO BOX 33427
ST. PAUL, MN 55133-3427
Assignment: 3
Reel/Frame:028466/0827   Pages: 2
Recorded: 06/29/2012
Attorney Dkt #:FP0840 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/28/2012
Assignee
1
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13508524
Correspondence name and address
PAUL E. BORCHARDT, PH.D.
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CA 94158
Assignment: 4
Reel/Frame:032112/0908   Pages: 3
Recorded: 01/29/2014
Attorney Dkt #:FP0841 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
01/28/2014
Assignee
1
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13883521
Correspondence name and address
PAUL BORCHARDT, PH. D.
C/O FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Assignment: 5
Reel/Frame:047708/0098   Pages: 3
Recorded: 12/07/2018
Attorney Dkt #:FP0855 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/04/2018
2
Exec Dt:
11/07/2018
3
Exec Dt:
12/05/2018
4
Exec Dt:
11/08/2018
Assignee
1
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
16132150
Correspondence name and address
FIBROGEN, INC
409 ILLINOIS STREET
SAN FRANCISCO, CA 94158

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