skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : GU, XUYUAN
Total Assignments: 13
Assignment: 1
Reel/Frame:021130/0259   Pages: 18
Recorded: 06/20/2008
Attorney Dkt #:SHE0131.PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RIGGS-SAUTHIER, JENNIFER
Exec Dt:
06/06/2008
2
CHENG, LIN
Exec Dt:
06/05/2008
3
VIEGAS, TACEY X.
Exec Dt:
05/30/2008
4
GU, XUYUAN
Exec Dt:
06/05/2008
5
DUARTE, FRANCO J.
Exec Dt:
06/06/2008
6
ZHANG, WEN
Exec Dt:
06/03/2008
Assignee
1
NEKTAR THERAPEUTICS AL, CORPORATION
490 DISCOVERY DRIVE
HUNTSVILLE, ALABAMA 35806
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8598364
US20110269677
12530363
Correspondence name and address
NEKTAR THERAPEUTICS
201 INDUSTRIAL ROAD
SAN CARLOS, CA 94070
Assignment: 2
Reel/Frame:021131/0326   Pages: 11
Recorded: 06/20/2008
Attorney Dkt #:SHE0185.PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RIGGS-SAUTHIER, JENNIFER
Exec Dt:
06/06/2008
2
DENG, BO-LIANG
Exec Dt:
06/05/2008
3
REN, ZHONGXU
Exec Dt:
06/02/2008
4
ZHANG, WEN
Exec Dt:
06/03/2008
5
GU, XUYUAN
Exec Dt:
06/05/2008
6
DUARTE, FRANCO J.
Exec Dt:
06/06/2008
Assignee
1
NEKTAR THERAPEUTICS AL, CORPORATION
490 DISCOVERY DRIVE
HUNTSVILLE, ALABAMA 35806
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100184989
12530438
Correspondence name and address
NEKTAR THERAPEUTICS
201 INDUSTRIAL ROAD
SAN CARLOS, CA 94070
Assignment: 3
Reel/Frame:022445/0256   Pages: 8
Recorded: 03/24/2009
Attorney Dkt #:SHE0181.PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, WEN
Exec Dt:
03/17/2009
2
GU, XUYUAN
Exec Dt:
03/19/2009
3
ALLUMS, STEPHANIE
Exec Dt:
03/17/2009
4
RIGGS-SAUTHIER, JENNIFER
Exec Dt:
03/16/2009
Assignee
1
NEKTAR THERAPEUTICS AL, CORPORATION
490 DISCOVERY DRIVE
HUNTSVILLE, ALABAMA 35806
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8569380
US20100298296
12744467
Correspondence name and address
NEKTAR THERAPEUTICS
201 INDUSTRIAL ROAD
SAN CARLOS, CA 94070
Assignment: 4
Reel/Frame:023978/0918   Pages: 5
Recorded: 02/23/2010
Attorney Dkt #:SHE0225.PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GU, XUYUAN
Exec Dt:
02/18/2010
2
RIGGS-SAUTHIER, JENNIFER
Exec Dt:
02/17/2010
Assignee
1
NEKTAR THERAPEUTICS
201 INDUSTRIAL ROAD
SAN CARLOS, CALIFORNIA 94070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120046279
13146612
Correspondence name and address
NEKTAR THERAPEUTICS
201 INDUSTRIAL ROAD
SAN CARLOS, CA 94070
Assignment: 5
Reel/Frame:024111/0407   Pages: 11
Recorded: 03/19/2010
Attorney Dkt #:SHE0185.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RIGGS-SAUTHIER, JENNIFER
Exec Dt:
03/10/2010
2
DENG, BO-LIANG
Exec Dt:
03/11/2010
3
REN, ZHONGXU
Exec Dt:
03/10/2010
4
ZHANG, WEN
Exec Dt:
03/11/2010
5
GU, XUYUAN
Exec Dt:
03/15/2010
6
DUARTE, FRANCO J.
Exec Dt:
03/10/2010
Assignee
1
NEKTAR THERAPEUTICS
201 INDUSTRIAL ROAD
SAN CARLOS, CALIFORNIA 94070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100184989
12530438
Correspondence name and address
NEKTAR THERAPEUTICS
201 INDUSTRIAL ROAD
SAN CARLOS, CA 94070
Assignment: 6
Reel/Frame:024230/0222   Pages: 5
Recorded: 04/14/2010
Attorney Dkt #:SHE0229.PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GU, XUYUAN
Exec Dt:
04/07/2010
2
RIGGS-SAUTHIER, JENNIFER
Exec Dt:
03/30/2010
Assignee
1
NEKTAR THERAPEUTICS
201 INDUSTRIAL ROAD
SAN CARLOS, CALIFORNIA 94070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9192681
US20120053237
13203066
Correspondence name and address
NEKTAR THERAPEUTICS
201 INDUSTRIAL ROAD
SAN CARLOS, CA 94070
Assignment: 7
Reel/Frame:024489/0810   Pages: 20
Recorded: 06/04/2010
Attorney Dkt #:SHE0131.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RIGGS-SAUTHIER, JENNIFER
Exec Dt:
05/12/2010
2
CHENG, LIN
Exec Dt:
05/20/2010
3
VIEGAS, TACEY X.
Exec Dt:
05/11/2010
4
GU, XUYUAN
Exec Dt:
05/20/2010
5
DUARTE, FRANCO J.
Exec Dt:
05/20/2010
6
ZHANG, WEN
Exec Dt:
05/17/2010
Assignee
1
NEKTAR THERAPEUTICS
201 INDUSTRIAL ROAD
SAN CARLOS, CALIFORNIA 94070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8598364
US20110269677
12530363
Correspondence name and address
NEKTAR THERAPEUTICS
201 INDUSTRIAL ROAD
SAN CARLOS, CA 94070
Assignment: 8
Reel/Frame:024763/0715   Pages: 8
Recorded: 07/29/2010
Attorney Dkt #:SHE0181.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, WEN
Exec Dt:
07/26/2010
2
GU, XUYUAN
Exec Dt:
07/26/2010
3
ALLUMS, STEPHANIE
Exec Dt:
07/26/2010
4
RIGGS-SAUTHIER, JENNIFER
Exec Dt:
07/20/2010
Assignee
1
NEKTAR THERAPEUTICS
201 INDUSTRIAL ROAD
SAN CARLOS, CALIFORNIA 94070
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8569380
US20100298296
12744467
Correspondence name and address
NEKTAR THERAPEUTICS
201 INDUSTRIAL ROAD
SAN CARLOS, CA 94070
Assignment: 9
Reel/Frame:027434/0114   Pages: 5
Recorded: 12/22/2011
Attorney Dkt #:SHE0225.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GU, XUYUAN
Exec Dt:
10/24/2011
2
RIGGS-SAUTHIER, JENNIFER
Exec Dt:
10/25/2011
Assignee
1
NEKTAR THERAPEUTICS
455 MISSION BAY BLVD. SOUTH, SUITE 100
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120046279
13146612
Correspondence name and address
NEKTAR THERAPEUTICS
455 MISSION BAY BLVD. SOUTH, SUITE 100
SAN FRANCISCO, CA 94158
Assignment: 10
Reel/Frame:027435/0549   Pages: 5
Recorded: 12/22/2011
Attorney Dkt #:SHE0229.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GU, XUYUAN
Exec Dt:
10/24/2011
2
RIGGS-SAUTHIER, JENNIFER
Exec Dt:
10/25/2011
Assignee
1
NEKTAR THERAPEUTICS
455 MISSION BAY BLVD. SOUTH, SUITE 100
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9192681
US20120053237
13203066
Correspondence name and address
NEKTAR THERAPEUTICS
455 MISSION BAY BLVD. SOUTH, SUITE 100
SAN FRANCISCO, CA 94158
Assignment: 11
Reel/Frame:032052/0974   Pages: 16
Recorded: 01/27/2014
Attorney Dkt #:SHE0347.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GU, XUYUAN
Exec Dt:
08/13/2013
2
RIGGS-SAUTHIER, JENNIFER
Exec Dt:
08/12/2013
Assignee
1
NEKTAR THERAPEUTICS
455 MISSION BAY BLVD. SOUTH, SUITE 100
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140371258
13995063
Correspondence name and address
NEKTAR THERAPEUTICS
455 MISSION BAY BLVD., SOUTH, SUITE 100
SAN FRANCISCO, CA 94158
Assignment: 12
Reel/Frame:039273/0470   Pages: 21
Recorded: 07/27/2016
Attorney Dkt #:SHE0502.PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GU, XUYUAN
Exec Dt:
07/26/2016
2
SONG, YUAN
Exec Dt:
07/26/2016
3
SHEN, MICHAEL LIXIN
Exec Dt:
07/26/2016
4
RIGGS-SAUTHIER, JENNIFER
Exec Dt:
07/25/2016
5
ANAND, NEEL K.
Exec Dt:
07/26/2016
6
KOZLOWSKI, ANTONI
Exec Dt:
06/30/2016
7
ODINECS, ALEKSANDRS
Exec Dt:
07/26/2016
8
RILEY, TIMOTHY A.
Exec Dt:
07/11/2016
9
REN, ZHONGXU
Exec Dt:
07/26/2016
10
MU, YONGQI
Exec Dt:
07/06/2016
11
SHEN, XIAOMING
Exec Dt:
07/26/2016
12
YUAN, XUEJUN
Exec Dt:
07/27/2016
13
AURRECOECHEA, NATALIA
Exec Dt:
07/26/2016
14
O'MAHONY, DONOGH JOHN ROGER
Exec Dt:
07/26/2016
Assignee
1
NEKTAR THERAPEUTICS
455 MISSION BAY BOULEVARD SOUTH
SUITE 100
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10189859
US20170066782
15106741
Correspondence name and address
NEKTAR THERAPEUTICS
455 MISSION BAY BOULEVARD SOUTH
SUITE 100
SAN FRANCISCO, CA 94158
Assignment: 13
Reel/Frame:046541/0761   Pages: 24
Recorded: 07/13/2018
Attorney Dkt #:SHE0502.00
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GU, XUYUAN
Exec Dt:
07/26/2016
2
SONG, YUAN
Exec Dt:
07/26/2016
3
SHEN, MICHAEL LIXIN
Exec Dt:
07/26/2016
4
RIGGS-SAUTHIER, JENNIFER
Exec Dt:
07/25/2016
5
ANAND, NEEL K.
Exec Dt:
07/26/2016
6
KOZLOWSKI, ANTONI
Exec Dt:
06/30/2016
7
ODINECS, ALEKSANDRS
Exec Dt:
07/26/2016
8
RILEY, TIMOTHY A.
Exec Dt:
07/11/2016
9
REN, ZHONGXU
Exec Dt:
07/26/2016
10
MU, YONGQI
Exec Dt:
07/06/2016
11
SHEN, XIAOMING
Exec Dt:
07/26/2016
12
YUAN, XUEJUN
Exec Dt:
07/27/2016
13
AURRECOECHEA, NATALIA
Exec Dt:
07/26/2016
14
O'MAHONY, DONOGH JOHN ROGER
Exec Dt:
07/26/2016
15
DENG, BO-LIANG
Exec Dt:
07/05/2018
Assignee
1
NEKTAR THERAPEUTICS
455 MISSION BAY BOULEVARD SOUTH
SUITE 100
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10189859
US20170066782
15106741
Correspondence name and address
NEKTAR THERAPEUTICS
455 MISSION BAY BOULEVARD SOUTH
SUITE 100
SAN FRANCISCO, CA 94158

Search Results as of: 05/02/2024 05:52 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT