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Patent Assignment Assignor Details
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Assignor Name : YEOWELL, DAVID A.
Total Assignments: 14
Assignment: 1
Reel/Frame:004749/0945   Pages: 4
Recorded: 08/24/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SWARINGEN, ROY A. JR.
Exec Dt:
01/21/1987
2
YEOWELL, DAVID A.
Exec Dt:
01/21/1987
Assignee
1
BURROUGHS WELLCOME CO.
A CORP. OF NORTH CAROLINA
RESEARCH TRIANGLE PARK, NORTH CAROLINA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4761418
NONE
06756025
Correspondence name and address
DIKE, BRONSTEIN, ROBERTS, CUSHMAN &
PFUND
130 WATER STREET
BOSTON, MA 02109
Assignment: 2
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: 3
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: 4
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: 5
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: 6
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: 7
Reel/Frame:031454/0828   Pages: 11
Recorded: 10/22/2013
Attorney Dkt #:310477-3053
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WITSCHI, CLAUDIA
Exec Dt:
08/30/2013
2
PARK, JUNG MIN
Exec Dt:
08/26/2013
3
THOMPSON, MICHAEL D.
Exec Dt:
08/28/2013
4
MARTINELLI, MICHAEL JOHN
Exec Dt:
09/20/2013
5
YEOWELL, DAVID A.
Exec Dt:
09/06/2013
6
AREND, MICHAEL P.
Exec Dt:
08/27/2013
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9115085
US20140303202
13942443
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVENUE
PALO ALTO, CA 94301-1479
Assignment: 8
Reel/Frame:031456/0395   Pages: 12
Recorded: 10/22/2013
Attorney Dkt #:310477-3052
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WITSCHI, CLAUDIA
Exec Dt:
08/30/2013
2
PARK, JUNG MIN
Exec Dt:
08/26/2013
3
THOMPSON, MICHAEL D.
Exec Dt:
08/28/2013
4
MARTINELLI, MICHAEL JOHN
Exec Dt:
09/20/2013
5
YEOWELL, DAVID A.
Exec Dt:
09/06/2013
6
AREND, MICHAEL
Exec Dt:
08/27/2013
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8883823
US20140024675
13942370
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVENUE
PALO ALTO, CA 94301-1479
Assignment: 9
Reel/Frame:033997/0509   Pages: 12
Recorded: 10/21/2014
Attorney Dkt #:19TF-192367-US3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AREND, MICHAEL P.
Exec Dt:
08/27/2013
2
WITSCHI, CLAUDIA
Exec Dt:
08/30/2013
3
PARK, JUNG MIN
Exec Dt:
08/26/2013
4
THOMPSON, MICHAEL D.
Exec Dt:
08/28/2013
5
MARTINELLI, MICHAEL JOHN
Exec Dt:
09/20/2013
6
YEOWELL, DAVID A.
Exec Dt:
09/06/2013
Assignee
1
FIBROGEN, INC.
225 GATEWAY BLVD.
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9371288
US20150038529
14520232
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 10
Reel/Frame:036752/0804   Pages: 11
Recorded: 10/07/2015
Attorney Dkt #:19TF-192367-US4
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WITSCHI, CLAUDIA
Exec Dt:
08/30/2013
2
PARK, JUNG MIN
Exec Dt:
08/26/2013
3
THOMPSON, MICHAEL D.
Exec Dt:
08/28/2013
4
MARTINELLI, MICHAEL JOHN
Exec Dt:
09/20/2013
5
YEOWELL, DAVID A.
Exec Dt:
09/06/2013
6
AREND, MICHAEL P.
Exec Dt:
08/27/2013
Assignee
1
FIBROGEN, INC.
409 ILLINOIS ST.
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9617218
US20150322015
14805345
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 11
Reel/Frame:038924/0632   Pages: 12
Recorded: 06/15/2016
Attorney Dkt #:19TF-192367-US5
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WITSCHI, CLAUDIA
Exec Dt:
08/30/2013
2
PARK, JUNG MIN
Exec Dt:
08/26/2013
3
THOMPSON, MICHAEL D.
Exec Dt:
08/28/2013
4
MARTINELLI, MICHAEL JOHN
Exec Dt:
09/20/2013
5
YEOWELL, DAVID A.
Exec Dt:
09/06/2013
6
AREND, MICHAEL P.
Exec Dt:
08/27/2013
Assignee
1
FIBROGEN, INC.
409 ILLINOIS ST.
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9918977
US20160331741
15158539
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVE.
PALO ALTO, CA 94301
Assignment: 12
Reel/Frame:042927/0185   Pages: 11
Recorded: 07/06/2017
Attorney Dkt #:19TF-192367-US6
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WITSCHI, CLAUDIA
Exec Dt:
08/30/2013
2
PARK, JUNG MIN
Exec Dt:
08/26/2013
3
THOMPSON, MICHAEL D.
Exec Dt:
08/28/2013
4
MARTINELLI, MICHAEL JOHN
Exec Dt:
09/20/2013
5
YEOWELL, DAVID A.
Exec Dt:
09/06/2013
6
AREND, MICHAEL P.
Exec Dt:
08/27/2013
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10118897
US20170190667
15462688
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVENUE
PALO ALTO, CA 94301
Assignment: 13
Reel/Frame:047474/0593   Pages: 12
Recorded: 11/12/2018
Attorney Dkt #:19TF-192367-US7
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WITSCHI, CLAUDIA
Exec Dt:
08/30/2013
2
PARK, JUNG MIN
Exec Dt:
08/26/2013
3
THOMPSON, MICHAEL D.
Exec Dt:
08/28/2013
4
MARTINELLI, MICHAEL JOHN
Exec Dt:
09/20/2013
5
YEOWELL, DAVID A.
Exec Dt:
09/06/2013
6
AREND, MICHAEL P.
Exec Dt:
08/27/2013
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10272078
US20190022080
15889086
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVENUE
PALO ALTO, CA 94301
Assignment: 14
Reel/Frame:049782/0875   Pages: 11
Recorded: 07/17/2019
Attorney Dkt #:19TF-192367-US8
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WITSCHI, CLAUDIA
Exec Dt:
08/30/2013
2
PARK, JUNG MIN
Exec Dt:
08/26/2013
3
THOMPSON, MICHAEL D.
Exec Dt:
08/28/2013
4
MARTINELLI, MICHAEL JOHN
Exec Dt:
09/20/2013
5
YEOWELL, DAVID A.
Exec Dt:
09/06/2013
6
AREND, MICHAEL P.
Exec Dt:
08/27/2013
Assignee
1
FIBROGEN, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190276408
16158242
Correspondence name and address
SHEPPARD MULLIN RICHTER & HAMPTON LLP
379 LYTTON AVENUE
PALO ALTO, CA 94301

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