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 : DUAN, MATT
Total Assignments: 8
Assignment: 1
Reel/Frame:045362/0514   Pages: 4
Recorded: 03/27/2018
Attorney Dkt #:7946-88090-09 SCS/JAM
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUN, TOM
Exec Dt:
06/18/2012
2
DUAN, MATT
Exec Dt:
06/11/2012
Assignee
1
RIGEL PHARMACEUTICALS, INC.
1180 VETERANS BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
RE47034
NONE
15604502
Correspondence name and address
KLARQUIST SPARKMAN, LLP
121 S.W. SALMON STREET, SUITE 1600
PORTLAND, OR 97204
Assignment: 2
Reel/Frame:029462/0684   Pages: 4
Recorded: 12/13/2012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUN, THOMAS
Exec Dt:
12/10/2012
2
DUAN, MATT
Exec Dt:
12/10/2012
Assignee
1
RIGEL PHARMACEUTICALS, INC.
1180 VETERAN'S BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9040061
US20130150334
13707264
Correspondence name and address
STACEY C. SLATER, KLARQUIST SPARKMAN LLP
121 SW SALMON STREET, SUITE 1600
ONE WORLD TRADE CENTER
PORTLAND, OR 97204-2988
Assignment: 3
Reel/Frame:069532/0308   Pages: 11
Recorded: 12/06/2024
Attorney Dkt #:TRPH-035/001,002,003WO/C1
Conveyance: EMPLOYEE AGREEMENT
Assignor
1
DUAN, MATT
Exec Dt:
12/16/2018
Assignee
1
TERNS, INC.
1065 E HILLSDALE BLVD., SUITE 100
FOSTER CITY, CALIFORNIA 94404
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240293416
18651843
Correspondence name and address
COOLEY LLP
ATTN: IP DOCKETING DEPARTMENT - 1299 PENNSYLVANIA
AVENUE NW, SUITE 700
WASHINGTON, DC 20004-2400
Assignment: 4
Reel/Frame:069714/0502   Pages: 11
Recorded: 12/16/2024
Attorney Dkt #:TRPH-024/001US/001WO
Conveyance: EMPLOYEE AGREEMENT
Assignor
1
DUAN, MATT
Exec Dt:
12/17/2018
Assignee
1
TERNS INC.
1065 E. HILLSDALE BLVD., SUITE 100
FOSTER CITY, CALIFORNIA 94404
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220098184
17447397
Correspondence name and address
COOLEY LLP
ATTN: IP DOCKETING DEPARTMENT - 1299 PENNSYLVANIA
AVENUE NW, SUITE 700
WASHINGTON, DC 20004-2400
Assignment: 5
Reel/Frame:054048/0739   Pages: 6
Recorded: 10/14/2020
Attorney Dkt #:7946-100265-02
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOU, LU
Exec Dt:
09/21/2020
2
DUAN, MATT
Exec Dt:
09/21/2020
3
DARWISH, IHAB
Exec Dt:
09/21/2020
4
SHAW, SIMON
Exec Dt:
09/22/2020
5
BHAMIDIPATI, SOMASEKHAR
Exec Dt:
09/21/2020
6
TAYLOR, VANESSA
Exec Dt:
09/22/2020
7
CHEN, YAN
Exec Dt:
09/21/2020
8
FAN, DAZHONG
Exec Dt:
09/21/2020
9
LUO, ZHUSHOU
Exec Dt:
09/21/2020
Assignee
1
RIGEL PHARMACEUTICALS, INC.
1180 VETERANS BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11370787
US20210061798
17006150
Correspondence name and address
KLARQUIST SPARKMAN, LLP
121 S.W. SALMON STREET, SUITE 1600
PORTLAND, OR 97204
Assignment: 6
Reel/Frame:059996/0165   Pages: 6
Recorded: 05/24/2022
Attorney Dkt #:7946-100265-55
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOU, LU
Exec Dt:
09/21/2020
2
DUAN, MATT
Exec Dt:
09/21/2020
3
DARWISH, IHAB
Exec Dt:
09/21/2020
4
SHAW, SIMON
Exec Dt:
09/22/2020
5
BHAMIDIPATI, SOMASEKHAR
Exec Dt:
09/21/2020
6
TAYLOR, VANESSA
Exec Dt:
09/22/2020
7
CHEN, YAN
Exec Dt:
09/21/2020
8
FAN, DAZHONG
Exec Dt:
09/21/2020
9
LUO, ZHUSHOU
Exec Dt:
09/21/2020
Assignee
1
RIGEL PHARMACEUTICALS, INC.
1180 VETERANS BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220306620
17747384
Correspondence name and address
KLARQUIST SPARKMAN, LLP
121 S.W. SALMON STREET, SUITE 1600
PORTLAND, OR 97204
Assignment: 7
Reel/Frame:070280/0977   Pages: 6
Recorded: 02/20/2025
Attorney Dkt #:14839-011-999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOU, LU
Exec Dt:
09/21/2020
2
DUAN, MATT
Exec Dt:
09/21/2020
3
DARWISH, IHAB S.
Exec Dt:
09/21/2020
4
SHAW, SIMON
Exec Dt:
09/22/2020
5
BHAMIDIPATI, SOMASEKHAR
Exec Dt:
09/21/2020
6
TAYLOR, VANESSA
Exec Dt:
09/22/2020
7
CHEN, YAN
Exec Dt:
09/21/2020
8
FAN, DAZHONG
Exec Dt:
09/21/2020
9
LUO, ZHUSHOU
Exec Dt:
09/21/2020
Assignee
1
RIGEL PHARMACEUTICALS, INC.
611 GATEWAY BOULEVARD
SUITE 900
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230399326
18237824
Correspondence name and address
JONES DAY
250 VESEY STREET
NEW YORK, NY 10281-1047
Assignment: 8
Reel/Frame:059515/0409   Pages: 6
Recorded: 04/06/2022
Attorney Dkt #:7946-105894-03
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOU, LU
Exec Dt:
04/13/2021
2
DUAN, MATT
Exec Dt:
04/17/2021
3
DARWISH, IHAB
Exec Dt:
04/13/2021
4
SHAW, SIMON
Exec Dt:
04/13/2021
5
BHAMIDIPATI, SOMASEKHAR
Exec Dt:
04/16/2021
6
TAYLOR, VANESSA
Exec Dt:
05/08/2021
7
CHEN, YAN
Exec Dt:
04/13/2021
8
FAN, DAZHONG
Exec Dt:
04/13/2021
9
LUO, ZHUSHOU
Exec Dt:
04/13/2021
Assignee
1
RIGEL PHARMACEUTICALS, INC.
1180 VETERANS BOULEVARD
SOUTH SAN FRANCISCO, CALIFORNIA 94080
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220288047
17684579
Correspondence name and address
KLARQUIST SPARKMAN, LLP
121 S.W. SALMON STREET, SUITE 1600
PORTLAND, OR 97204

Search Results as of: 06/25/2025 04:09 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