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Patent Assignment Assignor Details
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Assignor Name : WANG, QINGJIAN
Total Assignments: 20
Assignment: 1
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: 2
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: 3
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: 4
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: 5
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: 6
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: 7
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: 8
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: 9
Reel/Frame:053228/0801   Pages: 6
Recorded: 07/16/2020
Attorney Dkt #:148640.000371
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
QUENZLER-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
US20170312268
15424479
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: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: 11
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: 12
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: 13
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: 14
Reel/Frame:035539/0856   Pages: 5
Recorded: 04/30/2015
Attorney Dkt #:FP0814.4 CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIN, AL
Exec Dt:
10/05/2005
2
NEFF, TOM
Exec Dt:
10/17/2005
3
OLIVER, NOELYNN
Exec Dt:
10/18/2005
4
USINGER, WILLIAM
Exec Dt:
10/04/2005
5
WANG, QINGJIAN
Exec Dt:
10/05/2005
6
YEOWELL, DAVID
Exec Dt:
10/13/2005
Assignee
1
FIBROGEN
409 ILLINOIS ST
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160024198
14690727
Correspondence name and address
PAUL BORCHARDT
409 ILLINOIS ST
SAN FRANCISCO, CA 94158
Assignment: 15
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: 16
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: 17
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: 18
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: 19
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: 20
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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