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Patent Assignment Assignor Details
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Assignor Name : MATHIEU, STEVEN
Total Assignments: 16
Assignment: 1
Reel/Frame:020266/0243   Pages: 8
Recorded: 12/17/2007
Attorney Dkt #:11874-009-999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STORER, RICHARD
Exec Dt:
05/02/2007
2
MOUSSA, ADEL
Exec Dt:
04/25/2007
3
WANG, JINGYANG
Exec Dt:
05/04/2007
4
CHAUDHURI, NARAYAN C.
Exec Dt:
05/09/2007
5
MATHIEU, STEVEN
Exec Dt:
04/30/2007
6
STEWART, ALISTAIR
Exec Dt:
04/09/2007
Assignee
1
IDENIX PHARMACEUTICALS, INC.
60 HAMPSHIRE STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050059632
10882893
Correspondence name and address
JONES DAY
222 EAST 41ST STREET
NEW YORK, NY 10017
Assignment: 2
Reel/Frame:032137/0348   Pages: 9
Recorded: 02/04/2014
Attorney Dkt #:41478-510001WO
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUANG, KUAN-CHUN
Exec Dt:
07/26/2013
2
CHOI, HYEONG WOOK
Exec Dt:
07/26/2013
3
SANDERS, KRISTEN
Exec Dt:
07/26/2013
4
MATHIEU, STEVEN
Exec Dt:
07/26/2013
5
CHANDA, ARANI
Exec Dt:
07/29/2013
6
FANG, FRANK
Exec Dt:
07/26/2013
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWA
4-CHOME, BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9394283
US20150065503
14394431
Correspondence name and address
HEIDI A. ERLACHER
MINTZ LEVIN P.C.
ONE FINANCIAL CENTER
BOSTON, MA 02111
Assignment: 3
Reel/Frame:034052/0805   Pages: 9
Recorded: 10/28/2014
Attorney Dkt #:EPIZ-010N01US 311622-2255
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUANG, KUAN-CHUN
Exec Dt:
07/26/2013
2
CHOI, HYEONG WOOK
Exec Dt:
07/26/2013
3
SANDERS, KRISTEN
Exec Dt:
07/26/2013
4
MATHIEU, STEVEN
Exec Dt:
07/26/2013
5
CHANDA, ARANI
Exec Dt:
07/29/2013
6
FANG, FRANK
Exec Dt:
07/26/2013
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWA, 4-CHOME
BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9394283
US20150065503
14394431
Correspondence name and address
COOLEY LLP
1299 PENNSYLVANIA AVENUE NW
SUITE 700
WASHINGTON, DC 20004
Assignment: 4
Reel/Frame:042829/0745   Pages: 9
Recorded: 06/27/2017
Attorney Dkt #:EPIZ-017C01US 311622-2421
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUANG, KUAN-CHUN
Exec Dt:
07/26/2013
2
CHOI, HYEONG WOOK
Exec Dt:
07/26/2013
3
SANDERS, KRISTEN
Exec Dt:
07/26/2013
4
MATHIEU, STEVEN
Exec Dt:
07/26/2013
5
CHANDA, ARANI
Exec Dt:
07/29/2013
6
FANG, FRANK
Exec Dt:
07/26/2013
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWA
4-CHOME, BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9872862
US20170143729
15199522
Correspondence name and address
COOLEY LLP, ATTN: PATENT GROUP
1299 PENNSYLVANIA AVENUE, NW
SUITE 700
WASHINGTON, DC 20004
Assignment: 5
Reel/Frame:044384/0184   Pages: 9
Recorded: 12/13/2017
Attorney Dkt #:EPIZ-010C02US 311622-2498
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUANG, KUAN-CHUN
Exec Dt:
07/26/2013
2
CHOI, HYEONG WOOK
Exec Dt:
07/26/2013
3
SANDERS, KRISTEN
Exec Dt:
07/26/2013
4
MATHIEU, STEVEN
Exec Dt:
07/26/2013
5
CHANDA, ARANI
Exec Dt:
07/29/2013
6
FANG, FRANK
Exec Dt:
07/26/2013
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWA,4-CHOME
BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10245269
US20180243316
15837390
Correspondence name and address
COOLEY LLP
1299 PENNSYLVANIA AVENUE NW
SUITE 700
WASHINGTON, DC 20004
Assignment: 6
Reel/Frame:048275/0674   Pages: 9
Recorded: 02/08/2019
Attorney Dkt #:EPIZ-010C03US 311622-2562
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUANG, KUAN-CHUN
Exec Dt:
07/26/2013
2
CHOI, HYEONG WOOK
Exec Dt:
07/26/2013
3
SANDERS, KRISTEN
Exec Dt:
07/26/2013
4
MATHIEU, STEVEN
Exec Dt:
07/26/2013
5
CHANDA, ARANI
Exec Dt:
07/29/2013
6
FANG, FRANCIS
Exec Dt:
07/26/2013
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWA
4-CHOME, BUNKYO
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10821113
US20190269692
16270752
Correspondence name and address
COOLEY LLP
1299 PENNSYLVANIA AVENUE NW
SUITE 700
WASHINGTON, DC 20004
Assignment: 7
Reel/Frame:053899/0402   Pages: 9
Recorded: 09/28/2020
Attorney Dkt #:EPIZ-010C04US 311622-2631
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUANG, KUAN-CHUN
Exec Dt:
07/26/2013
2
CHOI, HYEONG WOOK
Exec Dt:
07/26/2013
3
SANDERS, KRISTEN
Exec Dt:
07/26/2013
4
MATHIEU, STEVEN
Exec Dt:
07/26/2013
5
CHANDA, ARANI
Exec Dt:
07/29/2013
6
FANG, FRANCIS
Exec Dt:
07/26/2013
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWA, 4-CHOME, BUNKYO
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11491163
US20210137936
17032432
Correspondence name and address
COOLEY LLP
1299 PENNSYLVANIA AVENUE NW
SUITE 700
WASHINGTON, DC 20004
Assignment: 8
Reel/Frame:061297/0432   Pages: 9
Recorded: 10/04/2022
Attorney Dkt #:EPIZ-010C05US 311622-2680
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUANG, KUAN-CHUN
Exec Dt:
07/26/2013
2
CHOI, HYEONG WOOK
Exec Dt:
07/26/2013
3
SANDERS, KRISTEN
Exec Dt:
07/26/2013
4
MATHIEU, STEVEN
Exec Dt:
07/26/2013
5
CHANDA, ARANI
Exec Dt:
07/29/2013
6
FANG, FRANCIS
Exec Dt:
07/26/2013
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWA, 4-CHOME, BUNKYO
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230140327
17936555
Correspondence name and address
COOLEY LLP
1299 PENNSYLVANIA AVENUE NW
SUITE 700
WASHINGTON, DC 20004
Assignment: 9
Reel/Frame:038292/0833   Pages: 5
Recorded: 04/15/2016
Attorney Dkt #:9976-60
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, HYEONG-WOOK
Exec Dt:
12/03/2013
2
MATHIEU, STEVEN
Exec Dt:
12/03/2013
3
FANG, FRANK
Exec Dt:
12/03/2013
Assignee
1
EISAI INC.
4 CORPORATE DRIVE
ANDOVER, MASSACHUSETTS 01810
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9834576
US20160237107
15027022
Correspondence name and address
MYERS BIGEL & SIBLEY, P.A.
PO BOX 37428
RALEIGH, NC 27627
Assignment: 10
Reel/Frame:041169/0331   Pages: 7
Recorded: 02/03/2017
Attorney Dkt #:0080171-000293
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FANG, FRANCIS G.
Exec Dt:
09/26/2014
2
CHOI, HYEONG-WOOK
Exec Dt:
09/02/2014
3
CAMPAGNA, SILVIO
Exec Dt:
08/28/2014
4
MATHIEU, STEVEN
Exec Dt:
09/02/2014
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWA 4-CHROME
BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10160768
US20170240560
15501658
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 11
Reel/Frame:045468/0831   Pages: 7
Recorded: 02/27/2018
Attorney Dkt #:0080171-000413
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FANG, FRANCIS G.
Exec Dt:
09/26/2014
2
CHOI, HYEONG-WOOK
Exec Dt:
09/02/2014
3
CAMPAGNA, SILVIO
Exec Dt:
08/28/2014
4
MATHIEU, STEVEN
Exec Dt:
09/02/2014
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWA 4-CHROME
BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10407439
US20180186810
15906401
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 12
Reel/Frame:049858/0152   Pages: 7
Recorded: 07/25/2019
Attorney Dkt #:0080171-000539
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FANG, FRANCIS G.
Exec Dt:
09/26/2014
2
CHOI, HYEONG-WOOK
Exec Dt:
09/02/2014
3
CAMPAGNA, SILVIO
Exec Dt:
08/28/2014
4
MATHIEU, STEVEN
Exec Dt:
09/02/2014
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWA, 4-CHOME
BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10793581
US20200055866
16521691
Correspondence name and address
BUCHANAN INGERSOLL & ROONEY PC
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 13
Reel/Frame:038393/0208   Pages: 5
Recorded: 04/27/2016
Attorney Dkt #:EPIZ-030N01US 311622-2405
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, HYEONG WOOK
Exec Dt:
04/27/2016
2
MATHIEU, STEVEN
Exec Dt:
04/27/2016
3
SANDERS, KRISTEN
Exec Dt:
04/22/2016
4
CHANDA, ARANI
Exec Dt:
04/22/2016
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWAM 4 CHOME
BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10040782
US20160237068
15029848
Correspondence name and address
COOLEYLLP, ATTN: PATENT GROUP
1299 PENNSYLVANIA AVENUE, NW
SUITE 700
WASHINGTON, DC 20004
Assignment: 14
Reel/Frame:038393/0247   Pages: 5
Recorded: 04/27/2016
Attorney Dkt #:EPIZ-030
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, HYEONG WOOK
Exec Dt:
04/27/2016
2
MATHIEU, STEVEN
Exec Dt:
04/27/2016
3
SANDERS, KRISTEN
Exec Dt:
04/22/2016
4
CHANDA, ARANI
Exec Dt:
04/22/2016
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWAM 4 CHOME
BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10040782
US20160237068
15029848
Correspondence name and address
COOLEY LLP, ATTN: PATENT GROUP
1299 PENNSYLVANIA AVENUE, NW
SUITE 700
WASHINGTON, DC 20004
Assignment: 15
Reel/Frame:046053/0239   Pages: 5
Recorded: 06/12/2018
Attorney Dkt #:EPIZ-030D01US 311622-2522
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, HYEONG WOOK
Exec Dt:
04/27/2016
2
MATHIEU, STEVEN
Exec Dt:
04/27/2016
3
SANDERS, KRISTEN
Exec Dt:
04/22/2016
4
CHANDA, ARANI
Exec Dt:
04/22/2016
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWAM 4 CHOME
BUNKYO-KU
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10710987
US20180282312
16000539
Correspondence name and address
COOLEY LLP
1299 PENNSYLVANIA AVENUE NW
SUITE 700
WASHINGTON, DC 20004
Assignment: 16
Reel/Frame:052826/0545   Pages: 5
Recorded: 06/03/2020
Attorney Dkt #:EPIZ-030C01US 311622-2628
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHOI, HYEONG WOOK
Exec Dt:
04/27/2016
2
MATHIEU, STEVEN
Exec Dt:
04/27/2016
3
SANDERS, KRISTEN
Exec Dt:
04/22/2016
4
CHANDA, ARANI
Exec Dt:
04/22/2016
Assignee
1
EISAI R&D MANAGEMENT CO., LTD.
6-10 KOISHIKAWA, 4-CHOME, BUNKYO
TOKYO, JAPAN 112-8088
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210017163
16891427
Correspondence name and address
COOLEY LLP
1299 PENNSYLVANIA AVENUE NW
SUITE 700
WASHINGTON, DC 20004

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