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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 : CHU, SEUNG YUP
Total Assignments: 19
Assignment: 1
Reel/Frame:016230/0387   Pages: 6
Recorded: 02/07/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DESJARLAIS, JOHN R.
Exec Dt:
01/24/2005
2
THOMASON, ADAM READ
Exec Dt:
12/17/2004
3
ZHUKOVSKY, EUGENE ALEXANDER
Exec Dt:
01/24/2005
4
CHU, SEUNG YUP
Exec Dt:
01/24/2005
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050130892
10944473
Correspondence name and address
ROBIN M. SILVA
DORSEY & WHITNEY LLP
INTELLECTUAL PROPERTY DEPARTMENT
FOUR EMBARCADERO CENTER, SUITE 3400
SAN FRANCISCO, CALIFORNIA 94111
Assignment: 2
Reel/Frame:020669/0716   Pages: 8
Recorded: 03/18/2008
Attorney Dkt #:189608/US/2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERNETT, MATTHEW J.
Exec Dt:
11/16/2007
2
CHU, SEUNG YUP
Exec Dt:
11/16/2007
3
DESJARLAIS, JOHN R.
Exec Dt:
11/16/2007
4
KARKI, SHER BAHADUR
Exec Dt:
11/16/2007
5
PONG, ERIK WEIKING
Exec Dt:
11/16/2007
6
ZHUKOVSKY, EUGENE ALEXANDER
Exec Dt:
11/16/2007
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080254027
11982231
Correspondence name and address
VALERIE H. BROWN
370 17TH STREET
SUITE 4700
DENVER, CO 80202
Assignment: 3
Reel/Frame:020823/0841   Pages: 11
Recorded: 04/18/2008
Attorney Dkt #:189575/US/2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERNETT, MATTHEW J.
Exec Dt:
02/21/2008
2
CHU, SEUNG YUP
Exec Dt:
02/21/2008
3
DESJARLAIS, JOHN R.
Exec Dt:
02/21/2008
4
KARKI, SHER BAHADUR
Exec Dt:
02/21/2008
5
LAZAR, GREGORY ALAN
Exec Dt:
02/21/2008
6
PONG, ERIK WEIKING
Exec Dt:
02/21/2008
7
ZHUKOVSKY, EUGENE ALEXANDER
Exec Dt:
02/21/2008
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080199471
12018754
Correspondence name and address
VALERIE H. BROWN
370 17TH STREET
SUITE 4700
DENVER, CO 80202
Assignment: 4
Reel/Frame:024726/0136   Pages: 11
Recorded: 07/22/2010
Attorney Dkt #:P189609.US.02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERNETT, MATTHEW J.
Exec Dt:
02/21/2008
2
CHU, SEUNG YUP
Exec Dt:
02/21/2008
3
DESJARLAIS, JOHN R.
Exec Dt:
02/21/2008
4
KARKI, SHER BAHADUR
Exec Dt:
02/21/2008
5
LAZAR, GREGORY ALAN
Exec Dt:
02/21/2008
6
PONG, ERIK WEIKING
Exec Dt:
02/21/2008
7
ZHUKOVSKY, EUGENE ALEXANDER
Exec Dt:
02/21/2008
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8551485
US20110027276
12864075
Correspondence name and address
VALERIE H. BROWN
370 17TH STREET
SUITE 4700
DENVER, CO 80202
Assignment: 5
Reel/Frame:020967/0367   Pages: 12
Recorded: 05/19/2008
Attorney Dkt #:189519/US/2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERNETT, MATTHEW J.
Exec Dt:
03/18/2008
2
CHU, SEUNG YUP
Exec Dt:
03/19/2008
3
DESJARLAIS, JOHN R.
Exec Dt:
03/18/2008
4
KARKI, SHER BAHADUR
Exec Dt:
03/18/2008
5
LAZAR, GREGORY ALAN
Exec Dt:
03/18/2008
6
PONG, ERIK WEIKING
Exec Dt:
03/18/2008
7
RICHARDS, JOHN O.
Exec Dt:
03/18/2008
8
ZHUKOVSKY, EUGENE ALEXANDER
Exec Dt:
03/18/2008
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080260731
11838824
Correspondence name and address
VALERIE H. BROWN
370 17TH STREET
SUITE 4700
DENVER, CO 80202
Assignment: 6
Reel/Frame:021559/0545   Pages: 11
Recorded: 09/19/2008
Attorney Dkt #:190323/US/8
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHU, SEUNG YUP
Exec Dt:
08/28/2008
2
DESJARLAIS, JOHN R.
Exec Dt:
09/03/2008
3
KARKI, SHER BAHADUR
Exec Dt:
08/28/2008
4
LAZAR, GREGORY ALAN
Exec Dt:
08/28/2008
5
MOORE, GREGORY L.
Exec Dt:
08/28/2008
6
VOSTIAR, IGOR
Exec Dt:
09/02/2008
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8063187
US20090136485
12156183
Correspondence name and address
VALERIE H. BROWN
370 17TH STREET
SUITE 4700
DENVER, CO 80202
Assignment: 7
Reel/Frame:021579/0096   Pages: 10
Recorded: 09/24/2008
Attorney Dkt #:190323/US/9
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHU, SEUNG YUP
Exec Dt:
08/28/2008
2
DESJARLAIS, JOHN R.
Exec Dt:
09/03/2008
3
KARKI, SHER BAHADUR
Exec Dt:
08/28/2008
4
LAZAR, GREGORY ALAN
Exec Dt:
08/28/2008
5
MOORE, GREGORY L.
Exec Dt:
08/28/2008
6
VOSTIAR, IGOR
Exec Dt:
09/02/2008
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090042291
12156184
Correspondence name and address
VALERIE H. BROWN
370 17TH STREET
SUITE 4700
DENVER, CO 80202
Assignment: 8
Reel/Frame:027350/0116   Pages: 11
Recorded: 12/08/2011
Attorney Dkt #:P190323.US.13
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHU, SEUNG YUP
Exec Dt:
08/28/2008
2
DESJARLAIS, JOHN R.
Exec Dt:
09/03/2008
3
KARKI, SHER BAHADUR
Exec Dt:
08/28/2008
4
LAZAR, GREGORY ALAN
Exec Dt:
08/28/2008
5
MOORE, GREGORY L.
Exec Dt:
08/28/2008
6
VOSTIAR, IGOR
Exec Dt:
09/02/2008
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
11434295
US20120156207
13294103
 
11447552
US20120156220
13301464
 
9260523
US20120148578
13301627
Correspondence name and address
TIMOTHY A. WORRALL/ DORSEY & WHITNEY LLP
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202-5549
Assignment: 9
Reel/Frame:033478/0176   Pages: 11
Recorded: 08/06/2014
Attorney Dkt #:P190323.US.18 / US.19
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHU, SEUNG YUP
Exec Dt:
08/28/2008
2
DESJARLAIS, JOHN R.
Exec Dt:
09/03/2008
3
KARKI, SHER BAHADUR
Exec Dt:
08/28/2008
4
LAZAR, GREGORY ALAN
Exec Dt:
08/28/2008
5
MOORE, GREGORY L.
Exec Dt:
08/28/2008
6
VOSTIAR, IGOR
Exec Dt:
09/02/2008
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
9902773
US20150037321
14328562
 
9914778
US20150037322
14328593
Correspondence name and address
POLSINELLI PC
1515 WYNKOOP STREET
SUITE 600
DENVER, CO 80202
Assignment: 10
Reel/Frame:037803/0568   Pages: 11
Recorded: 02/23/2016
Attorney Dkt #:P190323.US.20
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHU, SEUNG YUP
Exec Dt:
08/28/2008
2
DESJARLAIS, JOHN R.
Exec Dt:
09/03/2008
3
KARKI, SHER BAHADUR
Exec Dt:
08/28/2008
4
LAZAR, GREGORY ALAN
Exec Dt:
08/28/2008
5
MOORE, GREGORY L.
Exec Dt:
08/28/2008
6
VOSTIAR, IGOR
Exec Dt:
09/02/2008
Assignee
1
XENCOR, INC.
111 WEST LEMON AVE.
MONROVIA, CALIFORNIA 91016
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160122435
14992453
Correspondence name and address
POLSINELLI PC
1515 WYNKOOP STREET
SUITE 600
DENVER, CO 80202
Assignment: 11
Reel/Frame:049756/0164   Pages: 11
Recorded: 07/15/2019
Attorney Dkt #:P190323.US.21, 22, 23, 24
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHU, SEUNG YUP
Exec Dt:
08/28/2008
2
DESJARLAIS, JOHN R.
Exec Dt:
09/03/2008
3
KARKI, SHER BAHADUR
Exec Dt:
08/28/2008
4
LAZAR, GREGORY ALAN
Exec Dt:
08/28/2008
5
MOORE, GREGORY L.
Exec Dt:
08/28/2008
6
VOSTIAR, IGOR
Exec Dt:
09/02/2008
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
US20180215821
15892661
 
NONE
US20180215822
15892715
 
NONE
US20190315861
16418813
 
NONE
US20190330342
16506776
Correspondence name and address
POLSINELLI PC
1401 LAWRENCE STREET
SUITE 2300
DENVER, CO 80202
Assignment: 12
Reel/Frame:051034/0773   Pages: 11
Recorded: 11/18/2019
Attorney Dkt #:P190323.US.25
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHU, SEUNG YUP
Exec Dt:
08/28/2008
2
DESJARLAIS, JOHN R.
Exec Dt:
09/03/2008
3
KARKI, SHER BAHADUR
Exec Dt:
08/28/2008
4
LAZAR, GREGORY ALAN
Exec Dt:
08/28/2008
5
MOORE, GREGORY L.
Exec Dt:
08/28/2008
6
VOSTIAR, IGOR
Exec Dt:
09/02/2008
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200071402
16684236
Correspondence name and address
POLSINELLI PC
1401 LAWRENCE STREET
SUITE 2300
DENVER, CO 80202
Assignment: 13
Reel/Frame:054579/0160   Pages: 11
Recorded: 12/08/2020
Attorney Dkt #:P190323
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHU, SEUNG YUP
Exec Dt:
08/28/2008
2
DESJARLAIS, JOHN R.
Exec Dt:
09/03/2008
3
KARKI, SHER BAHADUR
Exec Dt:
08/28/2008
4
LAZAR, GREGORY ALAN
Exec Dt:
08/28/2008
5
MOORE, GREGORY L.
Exec Dt:
08/28/2008
6
VOSTIAR, IGOR
Exec Dt:
09/02/2008
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
9079960
US20120321620
13594619
 
9394366
US20130315910
13689528
 
NONE
US20210009689
17029185
 
NONE
US20210009690
17031433
Correspondence name and address
POLSINELLI PC
1401 LAWRENCE STREET
SUITE 2300
DENVER, CO 80202
Assignment: 14
Reel/Frame:064013/0143   Pages: 11
Recorded: 06/21/2023
Attorney Dkt #:ZEN-X02US8
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHU, SEUNG YUP
Exec Dt:
08/28/2008
2
DESJARLAIS, JOHN R.
Exec Dt:
09/03/2008
3
KARKI, SHER BAHADUR
Exec Dt:
08/28/2008
4
LAZAR, GREGORY ALAN
Exec Dt:
08/28/2008
5
MOORE, GREGORY L.
Exec Dt:
08/28/2008
6
VOSTIAR, IGOR
Exec Dt:
09/02/2008
Assignee
1
XENCOR, INC.
465 NORTH HALSTEAD STREET
SUITE 200
PASADENA, CALIFORNIA 91107
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230227560
17819218
Correspondence name and address
PROSKAUER ROSE LLP
ONE INTERNATIONAL PLACE
BOSTON, MA 02110
Assignment: 15
Reel/Frame:024210/0607   Pages: 7
Recorded: 04/09/2010
Attorney Dkt #:189519/US/3
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERNETT, MATTHEW J.
Exec Dt:
02/27/2009
2
CHU, SEUNG YUP
Exec Dt:
02/27/2009
3
DESJARLAIS, JOHN R.
Exec Dt:
02/27/2009
4
KARKI, SHER BAHADUR
Exec Dt:
02/27/2009
5
LAZAR, GREGORY ALAN
Exec Dt:
02/27/2009
6
PONG, ERIK WEIKING
Exec Dt:
02/27/2009
7
RICHARDS, JOHN O.
Exec Dt:
03/06/2009
8
ZHUKOVSKY, EUGENE ALEXANDER
Exec Dt:
03/14/2009
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8524867
US20100272723
12377251
Correspondence name and address
VALERIE H. BROWN
370 17TH STREET
SUITE 4700
DENVER, CO 80202
Assignment: 16
Reel/Frame:028486/0284   Pages: 7
Recorded: 07/03/2012
Attorney Dkt #:189519/US/4
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERNETT, MATTHEW J.
Exec Dt:
02/27/2009
2
CHU, SEUNG YUP
Exec Dt:
02/27/2009
3
DESJARLAIS, JOHN R.
Exec Dt:
02/27/2009
4
KARKI, SHER BAHADUR
Exec Dt:
02/27/2009
5
LAZAR, GREGORY ALAN
Exec Dt:
02/27/2009
6
PONG, ERIK WEIKING
Exec Dt:
02/27/2009
7
RICHARDS, JOHN O.
Exec Dt:
03/06/2009
8
ZHUKOVSKY, EUGENE ALEXANDER
Exec Dt:
03/14/2009
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120082664
13221811
Correspondence name and address
TIMOTHY A. WORRALL/ DORSEY & WHITNEY LLP
1400 WEWATTA STREET
SUITE 400
DENVER, CO 80202-5549
Assignment: 17
Reel/Frame:034510/0983   Pages: 7
Recorded: 12/15/2014
Attorney Dkt #:P189519.US.05 / US.06
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERNETT, MATTHEW J.
Exec Dt:
02/27/2009
2
CHU, SEUNG YUP
Exec Dt:
02/27/2009
3
DESJARLAIS, JOHN R.
Exec Dt:
02/27/2009
4
KARKI, SHER BAHADUR
Exec Dt:
02/27/2009
5
LAZAR, GREGORY ALAN
Exec Dt:
02/27/2009
6
PONG, ERIK WEIKING
Exec Dt:
02/27/2009
7
RICHARDS, JOHN O.
Exec Dt:
03/06/2009
8
ZHUKOVSKY, EUGENE ALEXANDER
Exec Dt:
03/14/2009
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
9803020
US20140086906
13959587
 
NONE
US20140112916
14023305
Correspondence name and address
POLSINELLI PC
1515 WYNKOOP STREET
SUITE 600
DENVER, CO 80202
Assignment: 18
Reel/Frame:049763/0714   Pages: 7
Recorded: 07/16/2019
Attorney Dkt #:P189519.US.07
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERNETT, MATTHEW J.
Exec Dt:
02/27/2009
2
CHU, SEUNG YUP
Exec Dt:
02/27/2009
3
DESJARLAIS, JOHN R.
Exec Dt:
02/27/2009
4
KARKI, SHER BAHADUR
Exec Dt:
02/27/2009
5
LAZAR, GREGORY ALAN
Exec Dt:
02/27/2009
6
PONG, ERIK WEIKING
Exec Dt:
02/27/2009
7
ZHUKOVSKY, EUGENE ALEXANDER
Exec Dt:
03/14/2009
8
RICHARDS, JOHN O.
Exec Dt:
03/06/2009
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10626182
US20180148511
15712918
Correspondence name and address
POLSINELLI PC
1401 LAWRENCE STREET
SUITE 2300
DENVER, CO 80202
Assignment: 19
Reel/Frame:055203/0128   Pages: 7
Recorded: 02/09/2021
Attorney Dkt #:P189519.US.08
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERNETT, MATTHEW J
Exec Dt:
02/27/2009
2
CHU, SEUNG YUP
Exec Dt:
02/27/2009
3
DESJARLAIS, JOHN R.
Exec Dt:
02/27/2009
4
KARKI, SHER BAHADUR
Exec Dt:
02/27/2009
5
LAZAR, GREGORY ALAN
Exec Dt:
02/27/2009
6
PONG, ERIK WEIKING
Exec Dt:
02/27/2009
7
RICHARDS, JOHN O.
Exec Dt:
03/06/2009
8
ZHUKOVSKY, EUGENE ALEXANDER
Exec Dt:
03/14/2009
Assignee
1
XENCOR, INC.
111 WEST LEMON AVENUE
MONROVIA, CALIFORNIA 91016
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11618788
US20200317804
16837678
Correspondence name and address
BAKERHOSTETLER
2929 ARCH STREET - 12 TH FLOOR
CIRCA CENTRE
PHILADELPHIA, PA 19104

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