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Patent Assignment Assignor Details
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Assignor Name : MERRIMACK PHARMACEUTICALS, INC.
Total Assignments: 42
Assignment: 1
Reel/Frame:037394/0285   Pages: 28
Recorded: 12/28/2015
Attorney Dkt #:258340-0000080
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
12/22/2015
Assignee
1
U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT
CORPORATE TRUST SERVICES
ONE FEDERAL STREET, 3RD FLOOR
BOSTON, MASSACHUSETTS 02110
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
8147867
US20070116753
11121294
 
8658203
US20070110798
11601451
 
7846440
US20090291085
12281925
 
8691225
US20100266584
12545279
 
8961966
US20110123523
12904492
 
8623592
US20110159513
13058687
 
9044460
US20110287002
13100920
 
8440192
US20120177652
13352736
 
8329213
US20120171283
13416204
 
NONE
US20120244163
13443660
 
8476409
US20120269812
13451135
 
8691231
US20120308576
13488270
 
8895001
US20130034548
13583949
 
8703181
US20130122081
13654373
 
9556274
US20160122438
13778984
 
9226966
US20140023698
13912167
 
NONE
US20140065204
13967664
 
NONE
US20140134170
14004598
 
9226964
US20140127207
14147331
 
NONE
US20140127238
14148379
 
NONE
US20140127136
14151632
 
8992970
US20140154298
14175365
 
9487588
US20140234329
14181334
 
NONE
US20140170075
14181583
 
NONE
US20140294834
14185628
 
9458245
US20140302035
14199760
 
NONE
US20150231219
14388330
 
9511155
US20150093328
14395345
 
9452162
US20150182521
14406776
 
NONE
US20150111217
14409808
 
9518130
US20150132292
14518900
 
9717723
US20150182460
14632422
 
9913901
US20160250328
14650250
 
NONE
US20160067182
14783619
 
9339497
US20150328156
14812950
 
NONE
US20160045596
14819317
 
NONE
US20160038416
14831199
 
9610249
US20160038417
14832103
 
NONE
US20160083800
14833834
 
9364473
US20150374682
14844500
 
9902999
US20150368346
14847291
 
10072299
US20150368347
14847297
 
9885087
US20150376284
14847304
 
NONE
US20150368361
14847351
 
9492442
US20160074382
14851111
 
9527914
US20160137738
14857344
 
9657108
US20160009822
14867554
 
9730891
US20160030341
14879302
 
NONE
US20160030342
14879358
 
NONE
US20160184227
14958349
 
NONE
US20160081928
14964239
 
NONE
US20160346272
14964571
 
9724303
US20160095817
14965140
 
9688761
US20160090418
14965301
 
9782349
US20160095852
14966458
Correspondence name and address
PILLSBURY WINTHROP SHAW PITTMAN
ATTENTION: DOCKETING DEPARTMENT
PO BOX 10500
MCLEAN, VA 22102
Assignment: 2
Reel/Frame:049470/0066   Pages: 17
Recorded: 06/14/2019
Attorney Dkt #:01208-0010-07US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
01/07/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10456360
US20180296484
15768352
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 3
Reel/Frame:042377/0696   Pages: 19
Recorded: 05/01/2017
Attorney Dkt #:263266-411103
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
190 BATH ROAD
SOUGH BERKSHIRE, UNITED KINGDOM SL1 3XE
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
8147867
US20070116753
11121294
 
8658203
US20070110798
11601451
 
8329213
US20120171283
13416204
 
8703181
US20130122081
13654373
 
NONE
US20140127136
14151632
 
8992970
US20140154298
14175365
 
9452162
US20150182521
14406776
 
NONE
US20150182521
14406776
 
9717723
US20150182460
14632422
 
9339497
US20150328156
14812950
 
9364473
US20150374682
14844500
 
9492442
US20160074382
14851111
 
9730891
US20160030341
14879302
 
NONE
US20160030342
14879358
 
NONE
US20160081928
14964239
 
NONE
US20160346272
14964571
 
9724303
US20160095817
14965140
 
9782349
US20160095852
14966458
 
NONE
US20160106672
14979666
 
NONE
US20160228428
15059640
 
9913802
US20160339014
15227561
 
9918936
US20160338956
15227631
 
NONE
US20170049775
15241106
 
9717724
US20160375004
15241128
 
9737528
US20170035749
15296536
 
9895365
US20170049767
15337274
 
NONE
US20170065578
15341377
 
NONE
US20170049768
15341619
 
10413510
US20170071858
15363761
 
NONE
US20170079912
15363923
 
10350201
US20170079913
15363978
 
NONE
US20170079914
15364021
 
NONE
US20170151226
15375039
 
NONE
US20170202840
15403441
Correspondence name and address
CYNTHIA M. BOTT, PH.D.
HONIGMAN MILLER SCHWARTTZ AND COHN LLP
350 EAST MICHIGAN AVENUE, SUITE 300
KALAMAZOO, MI 49007
Assignment: 4
Reel/Frame:042522/0334   Pages: 22
Recorded: 05/17/2017
Attorney Dkt #:263266-411103
Conveyance: CHANGE OF ADDRESS OF ASSIGNEE
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
8147867
US20070116753
11121294
 
8658203
US20070110798
11601451
 
8329213
US20120171283
13416204
 
8703181
US20130122081
13654373
 
NONE
US20140127136
14151632
 
8992970
US20140154298
14175365
 
9452162
US20150182521
14406776
 
NONE
US20150182521
14406776
 
9717723
US20150182460
14632422
 
9339497
US20150328156
14812950
 
9364473
US20150374682
14844500
 
9492442
US20160074382
14851111
 
9730891
US20160030341
14879302
 
NONE
US20160030342
14879358
 
NONE
US20160081928
14964239
 
NONE
US20160346272
14964571
 
9724303
US20160095817
14965140
 
9782349
US20160095852
14966458
 
NONE
US20160106672
14979666
 
NONE
US20160228428
15059640
 
9913802
US20160339014
15227561
 
9918936
US20160338956
15227631
 
NONE
US20170049775
15241106
 
9717724
US20160375004
15241128
 
9737528
US20170035749
15296536
 
9895365
US20170049767
15337274
 
NONE
US20170065578
15341377
 
NONE
US20170049768
15341619
 
10413510
US20170071858
15363761
 
NONE
US20170079912
15363923
 
10350201
US20170079913
15363978
 
NONE
US20170079914
15364021
 
NONE
US20170151226
15375039
 
NONE
US20170202840
15403441
Correspondence name and address
CYNTHIA M. BOTT, PH.D.
HONIGMAN MILLER SCHWARTTZ AND COHN LLP
350 EAST MICHIGAN AVENUE, SUITE 300
KALAMAZOO, MI 49007
Assignment: 5
Reel/Frame:043231/0287   Pages: 17
Recorded: 08/08/2017
Attorney Dkt #:263266-415362
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170368056
15652513
Correspondence name and address
CYNTHIA M. BOTT, PH.D.
HONIGMAN MILLER SCHWARTTZ AND COHN LLP
350 EAST MICHIGAN AVENUE, SUITE 300
KALAMAZOO, MI 49007
Assignment: 6
Reel/Frame:043231/0739   Pages: 17
Recorded: 08/08/2017
Attorney Dkt #:263266-416090
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180008591
15664930
Correspondence name and address
CYNTHIA M. BOTT, PH.D.
HONIGMAN MILLER SCHWARTTZ AND COHN LLP
350 EAST MICHIGAN AVENUE, SUITE 300
KALAMAZOO, MI 49007
Assignment: 7
Reel/Frame:044049/0271   Pages: 17
Recorded: 11/07/2017
Attorney Dkt #:263266-416123
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11052079
US20170340624
15664976
Correspondence name and address
CYNTHIA M. BOTT, PH.D.
HONIGMAN MILLER SCHWARTTZ AND COHN LLP
350 EAST MICHIGAN AVENUE, SUITE 300
KALAMAZOO, MI 49007
Assignment: 8
Reel/Frame:044049/0934   Pages: 17
Recorded: 11/07/2017
Attorney Dkt #:263266-416012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170319573
15661868
Correspondence name and address
CYNTHIA M. BOTT, PH.D.
HONIGMAN MILLER SCHWARTTZ AND COHN LLP
350 EAST MICHIGAN AVENUE, SUITE 300
KALAMAZOO, MI 49007
Assignment: 9
Reel/Frame:044511/0210   Pages: 24
Recorded: 11/27/2017
Attorney Dkt #:263266-411962
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170333421
15598633
Correspondence name and address
CYNTHIA M. BOTT, PH.D.
HONIGMAN MILLER SCHWARTTZ AND COHN LLP
350 EAST MICHIGAN AVENUE, SUITE 300
KALAMAZOO, MI 49007
Assignment: 10
Reel/Frame:044859/0357   Pages: 17
Recorded: 02/07/2018
Attorney Dkt #:263266-422287
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10478428
US20180117034
15852551
Correspondence name and address
CYNTHIA M. BOTT, PH.D.
HONIGMAN MILLER SCHWARTTZ AND COHN LLP
350 EAST MICHIGAN AVENUE, SUITE 300
KALAMAZOO, MI 49007
Assignment: 11
Reel/Frame:044859/0647   Pages: 17
Recorded: 02/07/2018
Attorney Dkt #:263266-421428
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11344552
US20180078556
15809815
Correspondence name and address
CYNTHIA M. BOTT, PH.D.
HONIGMAN MILLER SCHWARTTZ AND COHN LLP
350 EAST MICHIGAN AVENUE, SUITE 300
KALAMAZOO, MI 49007
Assignment: 12
Reel/Frame:045146/0600   Pages: 17
Recorded: 03/08/2018
Attorney Dkt #:263266-426640
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10722508
US20180169014
15896389
Correspondence name and address
CYNTHIA M. BOTT, PH.D.
HONIGMAN MILLER SCHWARTTZ AND COHN LLP
350 EAST MICHIGAN AVENUE, SUITE 300
KALAMAZOO, MI 49007
Assignment: 13
Reel/Frame:045146/0869   Pages: 17
Recorded: 03/08/2018
Attorney Dkt #:263266-426641
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180235954
15896436
Correspondence name and address
CYNTHIA M. BOTT, PH.D.
HONIGMAN MILLER SCHWARTTZ AND COHN LLP
350 EAST MICHIGAN AVENUE, SUITE 300
KALAMAZOO, MI 49007
Assignment: 14
Reel/Frame:052420/0372   Pages: 17
Recorded: 04/16/2020
Attorney Dkt #:01208-0002-10US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10980795
US20190117643
16012351
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 15
Reel/Frame:053998/0765   Pages: 17
Recorded: 10/07/2020
Attorney Dkt #:01208-0016-00US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11071726
US20200030302
16346436
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 16
Reel/Frame:054267/0499   Pages: 9
Recorded: 11/04/2020
Attorney Dkt #:01208-0013-00US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD
WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11318131
US20190167661
16302050
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 17
Reel/Frame:054267/0514   Pages: 17
Recorded: 11/04/2020
Attorney Dkt #:01208-0013-00US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD
WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11318131
US20190167661
16302050
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 18
Reel/Frame:055671/0254   Pages: 17
Recorded: 03/22/2021
Attorney Dkt #:01208-0010-00US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10993914
US20200069586
16567902
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 19
Reel/Frame:055671/0315   Pages: 17
Recorded: 03/22/2021
Attorney Dkt #:01208-0010-13US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210205219
17208042
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 20
Reel/Frame:056183/0294   Pages: 17
Recorded: 05/10/2021
Attorney Dkt #:01208-0002-11US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, UNITED KINGDOM LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11369597
US20190117644
16012372
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 21
Reel/Frame:059391/0591   Pages: 17
Recorded: 03/24/2022
Attorney Dkt #:01208-0006-02-03US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
NONE
US20200268742
16586609
 
11844795
US20230074866
17703312
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 22
Reel/Frame:060028/0467   Pages: 17
Recorded: 05/26/2022
Attorney Dkt #:01208-0015-24US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210137914
16906601
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 23
Reel/Frame:060028/0541   Pages: 17
Recorded: 05/26/2022
Attorney Dkt #:01208-0010-12US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210228567
17011617
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 24
Reel/Frame:060658/0368   Pages: 17
Recorded: 07/28/2022
Attorney Dkt #:01208-0007-02US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, UNITED KINGDOM LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230062425
17711500
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 25
Reel/Frame:060658/0409   Pages: 17
Recorded: 07/28/2022
Attorney Dkt #:01208-0003-04US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, UNITED KINGDOM LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200360367
16711072
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 26
Reel/Frame:060841/0712   Pages: 17
Recorded: 08/18/2022
Attorney Dkt #:01208-0002-13US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220096458
17204278
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 27
Reel/Frame:061211/0501   Pages: 17
Recorded: 09/26/2022
Attorney Dkt #:01208-0013-01US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230000858
17699374
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 28
Reel/Frame:061211/0524   Pages: 9
Recorded: 09/26/2022
Attorney Dkt #:01208-0013-01US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230000858
17699374
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 29
Reel/Frame:061224/0524   Pages: 17
Recorded: 09/27/2022
Attorney Dkt #:01208-0010-14US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230108934
17899933
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 30
Reel/Frame:062506/0088   Pages: 17
Recorded: 01/27/2023
Attorney Dkt #:01208-0002-14US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230088999
17824421
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 31
Reel/Frame:062569/0217   Pages: 17
Recorded: 02/02/2023
Attorney Dkt #:01208-0015-26US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/03/2017
Assignee
1
IPSEN BIOPHARM LTD.
ASH ROAD, WREXHAM INDUSTRIAL ESTATE
WREXHAM, GREAT BRITAIN LL13 9UF
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230181567
17988857
Correspondence name and address
MCNEILL BAUR PLLC
125 CAMBRIDGE PARK DRIVE
SUITE 301
CAMBRIDGE, MA 02140
Assignment: 32
Reel/Frame:043209/0196   Pages: 7
Recorded: 08/04/2017
Attorney Dkt #:CLP 3022
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
06/20/2017
Assignee
1
ALPHA CANCER TECHNOLOGIES INC.
101 COLLEGE STREET
SUITE 200
TORONTO, ONTARIO, CANADA M5G 1L7
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7208576
US20040098755
10624380
Correspondence name and address
ANDREAS BALTATZIS
330 JOHN CARLYLE STREET
KRAMER AMADO P.C.
ALEXANDRIA, VA 22314
Assignment: 33
Reel/Frame:049112/0597   Pages: 9
Recorded: 05/08/2019
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/01/2019
Assignee
1
SILVER CREEK PHARMACEUTICALS, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
9238080
US20110293579
13068808
 
8691771
US20110286976
13112907
 
9982060
US20140178380
14187728
 
9718892
US20160168269
14967980
 
10407512
US20170335015
15618478
 
10858450
US20180237540
15957252
Correspondence name and address
NATALIE SALEM
GREENBURG TRAURIG LLP
ONE INTERNATIONAL PLACE, SUITE 2000
BOSTON, MA 02110
Assignment: 34
Reel/Frame:051722/0891   Pages: 9
Recorded: 02/05/2020
Attorney Dkt #:132463-010121/CON2
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/01/2019
Assignee
1
SILVER CREEK PHARMACEUTICALS, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10988547
US20200048368
16524451
Correspondence name and address
NATALIE SALEM
GREENBERG TRAURIG LLP
ONE INTERNATIONAL PLACE, SUITE 2000
BOSTON, MA 02110
Assignment: 35
Reel/Frame:058059/0312   Pages: 9
Recorded: 11/09/2021
Attorney Dkt #:132463-010123/DIV
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/01/2019
Assignee
1
SILVER CREEK PHARMACEUTICALS, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11814443
US20210214463
17212270
Correspondence name and address
NATALIE SALEM
GREENBERG TRAURIG, LLP
ONE INTERNATIONAL PLACE, SUITE 2000
BOSTON, MA 02110
Assignment: 36
Reel/Frame:063385/0855   Pages: 9
Recorded: 04/20/2023
Attorney Dkt #:132463-010122/DIV
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/01/2019
Assignee
1
SILVER CREEK PHARMACEUTICALS, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11673970
US20210040233
17078978
Correspondence name and address
NATALIE SALEM
C/O GREENBERG TRAURIG, LLP
ONE INTERNATIONAL PLACE, SUITE 2000
BOSTON, MA 02110
Assignment: 37
Reel/Frame:064491/0252   Pages: 9
Recorded: 08/04/2023
Attorney Dkt #:132463-010124/CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
04/01/2019
Assignee
1
SILVER CREEK PHARMACEUTICALS, INC.
409 ILLINOIS STREET
SAN FRANCISCO, CALIFORNIA 94158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230322951
18311306
Correspondence name and address
NATALIE SALEM
C/O GREENBERG TRAURIG, LLP
ONE INTERNATIONAL PLACE, SUITE 2000
BOSTON, MA 02110
Assignment: 38
Reel/Frame:050024/0722   Pages: 42
Recorded: 08/12/2019
Attorney Dkt #:FNJ-000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
07/12/2019
Assignee
1
14NER ONCOLOGY, INC.
888 7TH AVE. #30
NEW YORK, NEW YORK 10106
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
US20090291085
12281925
 
7846440
US20090291085
12281925
 
8691225
US20100266584
12545279
 
8961966
US20110123523
12904492
 
NONE
US20130034548
13583949
 
8895001
US20130034548
13583949
 
9345766
US20140079703
14015776
 
9487588
US20140234329
14181334
 
9518130
US20150132292
14518900
 
NONE
US20190119401
15994393
 
NONE
US20190292271
16181054
Correspondence name and address
NELSON MULLINS RILEY & SCARBOROUGH LLP
ONE POST OFFICE SQUARE
30TH FLOOR
BOSTON, MA 02109-2127
Assignment: 39
Reel/Frame:056932/0733   Pages: 41
Recorded: 07/21/2021
Attorney Dkt #:FNJ-001USCP2CNDV2CN
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
07/12/2019
Assignee
1
14NER ONCOLOGY, INC.
888 7TH AVE. #30
NEW YORK, NEW YORK 10106
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220204642
17376627
Correspondence name and address
NELSON MULLINS RILEY & SCARBOROUGH LLP
ONE FINANCIAL CENTER
SUITE 3500
BOSTON, MA 02111
Assignment: 40
Reel/Frame:053385/0792   Pages: 8
Recorded: 08/03/2020
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
03/27/2020
Assignee
1
CELATOR PHARMACEUTICALS, INC.
200 PRINCETON SOUTH
CORPORATE CENTER STE 180
EWING, NEW JERSEY 08628
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
10570119
US20190135789
16069092
 
11028076
US20200399247
16745709
Correspondence name and address
COOLEY LLP - ATTN. PATENT GROUP
1299 PENNSYLVANIA AVE, NW
SUITE 700
WASHINGTON, DC 20004
Assignment: 41
Reel/Frame:056603/0883   Pages: 8
Recorded: 06/21/2021
Attorney Dkt #:JAZZ-057_05US 306882-2526
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
03/27/2020
Assignee
1
CELATOR PHARMACEUTICALS, INC.
3170 PORTER DRIVE
PALO ALTO, CALIFORNIA 94304
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11787781
US20210300905
17314753
Correspondence name and address
COOLEY LLP ATTN: PATENT GROUP
1299 PENNSYLVANIA AVE, NW
SUITE 700
WASHINGTON, DC 20004
Assignment: 42
Reel/Frame:064917/0238   Pages: 8
Recorded: 09/15/2023
Attorney Dkt #:JAZZ-057/06US 306882-2722
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MERRIMACK PHARMACEUTICALS, INC.
Exec Dt:
03/27/2020
Assignee
1
CELATOR PHARMACEUTICALS, INC.
3170 PORTER DRIVE
PALO ALTO, CALIFORNIA 94304
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230416236
18460047
Correspondence name and address
COOLEY LLP - ATTN PATENT GROUP
1299 PENNSYLVANIA AVE NW
SUITE 700
WASHINGTON, DC 20004

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