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Patent Assignment Assignor Details
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Assignor Name : CHARI, RAVI V.J.
Total Assignments: 76
Assignment: 1
Reel/Frame:005584/0097   Pages: 2
Recorded: 01/08/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BLATTLER, WALTER A.
Exec Dt:
10/26/1991
2
GOLDMACHER, VICTOR S.
Exec Dt:
10/26/1990
3
CHARI, RAVI V.J.
Exec Dt:
10/29/1990
4
SCOTT, CHARLES F., JR.
Exec Dt:
10/15/1990
5
KOSTUBA, LINDA J.
Exec Dt:
10/29/1990
6
COLLISON, ALBERT R.
Exec Dt:
10/26/1990
7
LAMBERT, JOHN M.
Exec Dt:
10/29/1990
Assignee
1
DANA-FARBER CANCER INSTITUTE, INC.
44 BINNEY STREET
BOSTON, MASSACHUSETTS 02115
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5239062
NONE
07560948
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS
2100 PENNSYLVANIA AVE., NW
WASHINGTON, DC 20037-3202
Assignment: 2
Reel/Frame:012105/0934   Pages: 2
Recorded: 08/21/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
11/24/1999
2
BLATTER, WALTER A.
Exec Dt:
11/24/1999
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6372738
US20020013485
09933018
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK, ET AL.
DREW HISSONG
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3213
Assignment: 3
Reel/Frame:011386/0756   Pages: 3
Recorded: 12/05/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHARI, RAVI V.J.
Exec Dt:
11/29/2000
Assignee
1
IMMUNOGEN, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7303749
NONE
09671995
Correspondence name and address
HALE AND DORR LLP
EDWARD D. GRIEFF
1455 PENNSYLVANIA AVE, N.W.
WASHINGTON, DC 20004
Assignment: 4
Reel/Frame:011609/0468   Pages: 2
Recorded: 03/27/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
03/05/2001
2
BLATTLER, WALTER A.
Exec Dt:
03/05/2001
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6630579
US20010036923
09740991
Correspondence name and address
SUGHRUE, MION, ZINN ET AL
SUSAN J. MACK
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037-3213
Assignment: 5
Reel/Frame:012210/0589   Pages: 2
Recorded: 09/28/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
08/20/2001
2
WIDDISON, WAYNE C.
Exec Dt:
08/20/2001
Assignee
1
IMMUNOGEN, INC.
128 SYDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6441163
NONE
09867598
Correspondence name and address
SUGHRUE, MION, ZINN ET AL
DREW HISSONG
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3213
Assignment: 6
Reel/Frame:012402/0662   Pages: 2
Recorded: 12/21/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHAO, ROBERT YONGXIN
Exec Dt:
12/21/2001
2
MILLER, MICHAEL LOUIS
Exec Dt:
12/21/2001
3
WIDDISON, WAYNE CHARLES
Exec Dt:
12/21/2001
4
CHARI, RAVI V.J.
Exec Dt:
12/21/2001
Assignee
1
IMMUNOGEN, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6716821
US20040001838
10024290
Correspondence name and address
SUGHRUE MION, PLLC
DREW HISSONG
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3213
Assignment: 7
Reel/Frame:013055/0842   Pages: 2
Recorded: 07/03/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHAO, ROBERT YONGXIN
Exec Dt:
06/03/2002
2
CHARI, RAVI V.J.
Exec Dt:
06/03/2002
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6534660
NONE
10116052
Correspondence name and address
SUGHRUE MION, PLLC
SUSAN J. MACK
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3213
Assignment: 8
Reel/Frame:013098/0068   Pages: 2
Recorded: 07/17/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHAO, ROBERT YONGXIN
Exec Dt:
07/02/2002
2
CHARI, RAVI V.J.
Exec Dt:
07/02/2002
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6756397
US20030199519
10116053
Correspondence name and address
SUGHRUE MION, PLLC
SUSAN J. MACK
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3213
Assignment: 9
Reel/Frame:013195/0909   Pages: 2
Recorded: 08/09/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
07/16/2002
2
MILLER, MICHAEL LOUIS
Exec Dt:
07/16/2002
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6596757
NONE
10144042
Correspondence name and address
SUGHRUE MION, PLLC
SUSAN J.MACK
2100 PENNSYLVANIA AVE., N. W.
STE. 800
WASHINGTON, DC 20037-3213
Assignment: 10
Reel/Frame:014224/0171   Pages: 2
Recorded: 06/30/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BALOGLU, ERKAN
Exec Dt:
06/10/2003
2
MILLER, MICHAEL
Exec Dt:
06/10/2003
3
CHARI, RAVI V.J.
Exec Dt:
06/10/2003
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7390898
US20040024049
10369563
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
WASHINGTON, DC 20037
Assignment: 11
Reel/Frame:015362/0815   Pages: 2
Recorded: 05/20/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
05/19/2004
2
WIDDISON, WAYNE C.
Exec Dt:
05/19/2004
Assignee
1
IMMUNOGEN, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7276497
US20040235840
10849136
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 12
Reel/Frame:017487/0383   Pages: 2
Recorded: 01/19/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIDDISON, WAYNE C.
Exec Dt:
01/19/2006
2
CHARI, RAVI V.J.
Exec Dt:
01/18/2006
Assignee
1
IMMUNOGEN, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7301019
US20060167245
11334478
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 13
Reel/Frame:017848/0261   Pages: 3
Recorded: 06/27/2006
Attorney Dkt #:FRAV2004/0038 US NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MILLER, MICHAEL L.
Exec Dt:
02/13/2006
2
CHARI, RAVI V.J.
Exec Dt:
02/13/2006
3
BALOGLU, ERKAN
Exec Dt:
02/13/2006
Assignee
1
IMMUNOGEN INC.,
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7667054
US20060178427
11295294
Correspondence name and address
PAUL R. DARKES
1041 ROUTE 202-206
BRIDGEWATER, NJ 08807
Assignment: 14
Reel/Frame:017792/0373   Pages: 2
Recorded: 04/14/2006
Attorney Dkt #:A8861
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOLDMAKHER, VIKTOR S.
Exec Dt:
04/14/2006
2
LUTZ, ROBERT J.
Exec Dt:
04/14/2006
3
CHARI, RAVI V.J.
Exec Dt:
04/14/2006
4
KOVTUN, YELENA V.
Exec Dt:
04/14/2006
5
LAMBERT, JOHN M.
Exec Dt:
04/14/2006
6
STEEVES, RITA
Exec Dt:
04/14/2006
7
ERICKSON, HANS K.
Exec Dt:
04/14/2006
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060233814
11404001
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 15
Reel/Frame:018844/0283   Pages: 2
Recorded: 01/26/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
11/16/2006
2
WIDDISON, WAYNE C.
Exec Dt:
11/16/2006
Assignee
1
IMMUNOGEN, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7411063
US20070112188
11594156
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 16
Reel/Frame:019361/0114   Pages: 2
Recorded: 05/22/2007
Attorney Dkt #:A9655
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MILLER, MICHAEL L.
Exec Dt:
05/18/2007
2
CHARI, RAVI V.J.
Exec Dt:
05/18/2007
3
BALOGLU, ERKAN
Exec Dt:
05/18/2007
Assignee
1
IMMUNOGEN, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7598290
US20070270482
11679347
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 17
Reel/Frame:035212/0719   Pages: 3
Recorded: 03/20/2015
Attorney Dkt #:121162-01504 - 01508
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
05/29/2007
2
WIDDISON, WAYNE C.
Exec Dt:
05/29/2007
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
7851432
US20070264266
11778437
 
8435528
US20070269447
11778451
 
7473796
US20070270585
11778464
 
8841425
US20110158991
13043879
 
NONE
US20150071949
14459582
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 18
Reel/Frame:043570/0974   Pages: 2
Recorded: 09/13/2017
Attorney Dkt #:121162-01509
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
05/29/2007
2
WIDDISON, WAYNE C.
Exec Dt:
05/29/2007
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180043013
15626575
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 19
Reel/Frame:021778/0319   Pages: 6
Recorded: 11/03/2008
Attorney Dkt #:FR2006-010 US CNT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
09/10/2008
2
ZHAO, ROBERT
Exec Dt:
09/12/2008
3
DENG, YONGHONG
Exec Dt:
09/15/2008
4
LI, WEI
Exec Dt:
09/15/2008
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8163736
US20090036431
12174195
Correspondence name and address
PAUL R. DARKES
ROUTE 202-206
BRIDGEWATER, NJ 08807
Assignment: 20
Reel/Frame:021752/0476   Pages: 3
Recorded: 10/29/2008
Attorney Dkt #:FR2006-016T US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHAO, ROBERT
Exec Dt:
09/18/2008
2
CHARI, RAVI V.J.
Exec Dt:
09/19/2008
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8012978
US20090028821
12204082
Correspondence name and address
PAUL R. DARKES
ROUTE 202-206
BRIDGEWATER, NJ 08807
Assignment: 21
Reel/Frame:022579/0159   Pages: 2
Recorded: 04/22/2009
Attorney Dkt #:FR2006-044 US CNT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHARI, RAVI V.J.
Exec Dt:
12/09/2008
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7816543
US20090182038
12276568
Correspondence name and address
JIANG LIN
ROUTE 202-206
BRIDGEWATER, NJ 08807
Assignment: 22
Reel/Frame:026148/0836   Pages: 2
Recorded: 04/19/2011
Attorney Dkt #:FR2006/044 US CNT 1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHARI, RAVI V.J.
Exec Dt:
12/09/2008
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110002947
12881792
Correspondence name and address
SANDRA A. BROCKMAN-LEE
1041 ROUTE 202-206
MAIL CODE: D303-A
BRIDGEWATER, NJ 08807
Assignment: 23
Reel/Frame:034553/0821   Pages: 2
Recorded: 12/19/2014
Attorney Dkt #:121162-01404
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
04/29/2009
2
ZHAO, ROBERT YONGXIN
Exec Dt:
04/29/2009
3
KOVTUN, YELENA
Exec Dt:
04/27/2009
4
SINGH, RAJEEVA
Exec Dt:
04/27/2009
5
WIDDISON, WAYNE CHARLES
Exec Dt:
04/30/2009
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8613930
US20130011419
13542126
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 24
Reel/Frame:034559/0325   Pages: 2
Recorded: 12/19/2014
Attorney Dkt #:121162-01405
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
04/29/2009
2
ZHAO, ROBERT YONGXIN
Exec Dt:
04/29/2009
3
KOVTUN, YELENA
Exec Dt:
04/27/2009
4
SINGH, RAJEEVA
Exec Dt:
04/27/2009
5
WIDDISON, WAYNE CHARLES
Exec Dt:
04/30/2009
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9061995
US20140178416
14080377
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 25
Reel/Frame:035697/0155   Pages: 3
Recorded: 05/22/2015
Attorney Dkt #:121162-01406
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
04/29/2009
2
ZHAO, ROBERT YONGXIN
Exec Dt:
04/29/2009
3
KOVTUN, YELENA
Exec Dt:
04/27/2009
4
SINGH, RAJEEVA
Exec Dt:
04/27/2009
5
WIDDISON, WAYNE CHARLES
Exec Dt:
04/30/2009
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9498541
US20150352223
14713419
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 26
Reel/Frame:040019/0860   Pages: 2
Recorded: 10/14/2016
Attorney Dkt #:121162-01407
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
04/29/2009
2
ZHAO, ROBERT YONGXIN
Exec Dt:
04/29/2009
3
KOVTUN, YELENA
Exec Dt:
04/27/2009
4
SINGH, RAJEEVA
Exec Dt:
04/27/2009
5
WIDDISON, WAYNE C.
Exec Dt:
04/30/2009
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170157264
15293579
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 27
Reel/Frame:045665/0222   Pages: 3
Recorded: 04/30/2018
Attorney Dkt #:121162-01408
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
04/29/2009
2
ZHAO, ROBERT YONGXIN
Exec Dt:
04/29/2009
3
KOVTUN, YELENA
Exec Dt:
04/27/2009
4
SINGH, RAJEEVA
Exec Dt:
04/27/2009
5
WIDDISON, WAYNE CHARLES
Exec Dt:
04/30/2009
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
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App #
 
 
 
 
 
 
 
 
 
 
 
10494431
US20180291100
15911571
Correspondence name and address
SYLVIA HSU CHEN YIP
MCCARTER & ENGLISH LLP
265 FRANKLIN STREET
BOSTON, MA 02108
Assignment: 28
Reel/Frame:051809/0459   Pages: 2
Recorded: 02/13/2020
Attorney Dkt #:121162-01409
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
04/29/2009
2
ZHAO, ROBERT YONGXIN
Exec Dt:
04/29/2009
3
KOVTUN, YELENA
Exec Dt:
04/27/2009
4
SINGH, RAJEEVA
Exec Dt:
04/27/2009
5
WIDDISON, WAYNE CHARLES
Exec Dt:
04/30/2009
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11046762
NONE
16601065
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 29
Reel/Frame:036888/0049   Pages: 2
Recorded: 10/27/2015
Attorney Dkt #:121162-01605
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGH, RAJEEVA
Exec Dt:
10/12/2009
2
KOVTUN, YELENA
Exec Dt:
10/13/2009
3
WILHELM, SHARON D.
Exec Dt:
10/12/2009
4
CHARI, RAVI V.J.
Exec Dt:
10/13/2009
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160114052
14835236
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 30
Reel/Frame:024450/0251   Pages: 6
Recorded: 05/27/2010
Attorney Dkt #:FR2007/056 US CNT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DENG, YONGHONG
Exec Dt:
04/09/2010
2
CHARI, RAVI V.J.
Exec Dt:
03/31/2010
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8404678
US20100316656
12689797
Correspondence name and address
KELLY L. BENDER
1041 ROUTE 202-206
MAIL STOP BW D-303A
BRIDGEWATER, NJ 08807
Assignment: 31
Reel/Frame:033137/0373   Pages: 2
Recorded: 06/19/2014
Attorney Dkt #:121162-00503
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
04/01/2010
2
FISHKIN, NATHAN ELLIOTT
Exec Dt:
03/31/2010
3
ZHAO, ROBERT YONGXIN
Exec Dt:
04/01/2010
4
MILLER, MICHAEL LOUIS
Exec Dt:
03/31/2010
5
CHARI, RAVI V.J.
Exec Dt:
03/31/2010
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8809320
US20130266596
13774059
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 32
Reel/Frame:033137/0677   Pages: 2
Recorded: 06/19/2014
Attorney Dkt #:121162-00504
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
04/01/2010
2
FISHKIN, NATHAN ELLIOTT
Exec Dt:
03/31/2010
3
ZHAO, ROBERT YONGXIN
Exec Dt:
04/01/2010
4
MILLER, MICHAEL LOUIS
Exec Dt:
03/31/2010
5
CHARI, RAVI V.J.
Exec Dt:
03/31/2010
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8802667
US20130302357
13826181
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 33
Reel/Frame:033733/0662   Pages: 2
Recorded: 09/12/2014
Attorney Dkt #:121162-00505
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
04/01/2010
2
FISHKIN, NATHAN ELLIOTT
Exec Dt:
03/31/2010
3
ZHAO, ROBERT YONGXIN
Exec Dt:
04/01/2010
4
MILLER, MICHAEL LOUIS
Exec Dt:
03/31/2010
5
CHARI, RAVI V.J.
Exec Dt:
03/31/2010
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9265841
US20150030616
14316105
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 34
Reel/Frame:039397/0462   Pages: 3
Recorded: 08/10/2016
Attorney Dkt #:121162-00506
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
04/01/2010
2
FISHKIN, NATHAN ELLIOTT
Exec Dt:
03/31/2010
3
ZHAO, ROBERT YONGXIN
Exec Dt:
04/01/2010
4
MILLER, MICHEAL LOUIS
Exec Dt:
03/31/2010
5
CHARI, RAVI V.J.
Exec Dt:
03/31/2010
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9550787
US20160222013
14990569
Correspondence name and address
CHRISTIANA XIN ZHANG
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 35
Reel/Frame:041593/0066   Pages: 2
Recorded: 03/16/2017
Attorney Dkt #:121162-00507
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
04/01/2010
2
FISHKIN, NATHAN ELLIOTT
Exec Dt:
03/31/2010
3
ZHAO, ROBERT YONGXIN
Exec Dt:
04/01/2010
4
MILLER, MICHAEL LOUIS
Exec Dt:
03/31/2010
5
CHARI, RAVI V.J.
Exec Dt:
03/31/2010
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170183419
15371738
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 36
Reel/Frame:043572/0084   Pages: 2
Recorded: 09/13/2017
Attorney Dkt #:121162-00508
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
04/01/2010
2
FISHKIN, NATHAN ELLIOTT
Exec Dt:
03/31/2010
3
ZHAO, ROBERT YONGXIN
Exec Dt:
04/01/2010
4
MILLER, MICHAEL LOUIS
Exec Dt:
03/31/2010
5
CHARI, RAVI V.J.
Exec Dt:
03/31/2010
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180079823
15676316
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 37
Reel/Frame:045835/0970   Pages: 3
Recorded: 05/17/2018
Attorney Dkt #:121162-00509
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
04/10/2010
2
FISHKIN, NATHAN ELLIOTT
Exec Dt:
03/31/2010
3
ZHAO, ROBERT YONGXIN
Exec Dt:
04/01/2010
4
MILLER, MICHAEL LOUIS
Exec Dt:
03/31/2010
5
CHARI, RAVI V.J.
Exec Dt:
03/31/2010
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10208127
US20180355055
15974089
Correspondence name and address
SYLVIA HSU CHEN YIP
MCCARTER & ENGLISH LLP
265 FRANKLIN STREET
BOSTON, MA 02108
Assignment: 38
Reel/Frame:047901/0458   Pages: 3
Recorded: 01/04/2019
Attorney Dkt #:121162-00510
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
04/01/2010
2
FISHKIN, NATHAN ELLIOTT
Exec Dt:
03/31/2010
3
ZHAO, ROBERT YONGXIN
Exec Dt:
04/01/2010
4
MILLER, MICHAEL LOUIS
Exec Dt:
03/31/2010
5
CHARI, RAVI V.J.
Exec Dt:
03/31/2010
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10947315
US20190276552
16229028
Correspondence name and address
SYLVIA HSU CHEN YIP
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 39
Reel/Frame:055160/0572   Pages: 3
Recorded: 02/05/2021
Attorney Dkt #:121162-00511
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
04/01/2010
2
FISHKIN, NATHAN ELLIOTT
Exec Dt:
03/31/2010
3
ZHAO, ROBERT YONGXIN
Exec Dt:
04/01/2010
4
MILLER, MICHAEL LOUIS
Exec Dt:
03/31/2010
5
CHARI, RAVI V.J.
Exec Dt:
03/31/2010
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210238301
17143738
Correspondence name and address
XIN ZHANG
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 40
Reel/Frame:035656/0788   Pages: 2
Recorded: 05/18/2015
Attorney Dkt #:715681
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KELLOGG, BRENDA A.
Exec Dt:
06/07/2010
2
SINGH, RAJEEVA
Exec Dt:
06/07/2010
3
CHARI, RAVI V.J.
Exec Dt:
06/07/2010
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9376500
US20140179906
14095579
Correspondence name and address
MELISSA E. KOLOM
TWO PRUDENTIAL PLAZA, SUITE 4900
180 NORTH STETSON
CHICAGO, IL 60601-6745
Assignment: 41
Reel/Frame:043099/0562   Pages: 2
Recorded: 07/26/2017
Attorney Dkt #:IGH-00103
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KELLOGG, BRENDA A.
Exec Dt:
06/07/2010
2
SINGH, RAJEEVA
Exec Dt:
06/07/2010
3
CHARI, RAVI V.J.
Exec Dt:
06/07/2010
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9771432
US20170002096
15167476
Correspondence name and address
FOLEY HOAG LLP
155 SEAPORT BLVD.
BOSTON, MA 02210
Assignment: 42
Reel/Frame:043523/0124   Pages: 2
Recorded: 09/07/2017
Attorney Dkt #:IGH-00104
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KELLOGG, BRENDA A.
Exec Dt:
06/07/2010
2
SINGH, RAJEEVA
Exec Dt:
06/07/2010
3
CHARI, RAVI V.J.
Exec Dt:
06/07/2010
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10233257
US20180079828
15694164
Correspondence name and address
FOLEY HOAG LLP
155 SEAPORT BOULEVARD
BOSTON, MA 02210-2600
Assignment: 43
Reel/Frame:053876/0351   Pages: 2
Recorded: 09/24/2020
Attorney Dkt #:6776.0381
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KELLOGG, BRENDA A.
Exec Dt:
06/07/2010
2
SINGH, RAJEEVA
Exec Dt:
06/07/2010
3
CHARI, RAVI V.J.
Exec Dt:
06/07/2010
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11498979
US20210163625
17031151
Correspondence name and address
NIXON & VANDERHYE, PC
901 N. GLEBE RD
SUITE 1100
ARLINGTON, VA 22203
Assignment: 44
Reel/Frame:061396/0729   Pages: 2
Recorded: 10/12/2022
Attorney Dkt #:6776-0387
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KELLOGG, BRENDA A.
Exec Dt:
06/07/2010
2
SINGH, RAJEEVA
Exec Dt:
06/07/2010
3
CHARI, RAVI V.J.
Exec Dt:
06/07/2010
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230105468
17964168
Correspondence name and address
NIXON & VANDERHYE P.C.
901 N. GLEBE ROAD, 11TH FLOOR
ARLINGTON, VA 22203
Assignment: 45
Reel/Frame:027493/0093   Pages: 2
Recorded: 01/06/2012
Attorney Dkt #:A10421
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHARI, RAVI V.J.
Exec Dt:
12/02/2011
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8337856
US20080226659
11949351
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE
SUITE 800
WASHINGTON, DC 20037
Assignment: 46
Reel/Frame:040543/0476   Pages: 2
Recorded: 11/02/2016
Attorney Dkt #:2921.072000C
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHARI, RAVI V.J.
Exec Dt:
12/02/2011
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170106097
15170401
Correspondence name and address
STERNE, KESSLER, GOLDSTEIN & FOX, P.L.L.C.
1100 NEW YORK AVENUE, N.W.
WASHINGTON, DC 20005
Assignment: 47
Reel/Frame:028403/0750   Pages: 3
Recorded: 06/19/2012
Attorney Dkt #:121162-00203
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
02/23/2012
2
MILLER, MICHAEL
Exec Dt:
02/22/2012
3
FISHKIN, NATHAN
Exec Dt:
02/22/2012
4
CHARI, RAVI V.J.
Exec Dt:
02/27/2012
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8765740
US20120244171
13397195
Correspondence name and address
YU LU, PH.D., MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 48
Reel/Frame:035049/0825   Pages: 3
Recorded: 02/27/2015
Attorney Dkt #:121162-00204
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
02/23/2012
2
MILLER, MICHAEL
Exec Dt:
02/22/2012
3
FISHKIN, NATHAN
Exec Dt:
02/22/2012
4
CHARI, RAVI V.J.
Exec Dt:
02/27/2012
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8889669
US20130302359
13827355
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 49
Reel/Frame:035049/0828   Pages: 3
Recorded: 02/27/2015
Attorney Dkt #:121162-00205
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
02/23/2012
2
MILLER, MICHAEL
Exec Dt:
02/22/2012
3
FISHKIN, NATHAN
Exec Dt:
02/22/2012
4
CHARI, RAVI V.J.
Exec Dt:
02/27/2012
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9169272
US20150099874
14512059
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 50
Reel/Frame:036552/0389   Pages: 3
Recorded: 09/14/2015
Attorney Dkt #:121162-00206
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
02/23/2012
2
MILLER, MICHAEL
Exec Dt:
02/22/2012
3
FISHKIN, NATHAN
Exec Dt:
02/22/2012
4
CHARI, RAVI V.J.
Exec Dt:
02/27/2012
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9434748
US20160108129
14849270
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 51
Reel/Frame:039556/0762   Pages: 3
Recorded: 08/26/2016
Attorney Dkt #:121162-00207
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
02/23/2012
2
MILLER, MICHAEL LOUIS
Exec Dt:
02/22/2012
3
FISHKIN, NATHAN ELLIOTT
Exec Dt:
02/22/2012
4
CHARI, RAVI V.J.
Exec Dt:
02/27/2012
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9840564
US20170044266
15221255
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 52
Reel/Frame:043241/0764   Pages: 3
Recorded: 08/09/2017
Attorney Dkt #:121162-00208
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
02/23/2012
2
MILLER, MICHAEL LOUIS
Exec Dt:
02/22/2012
3
FISHKIN, NATHAN ELLIOTT
Exec Dt:
02/22/2012
4
CHARI, RAVI V.J.
Exec Dt:
02/27/2012
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10179818
US20180002440
15645597
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 53
Reel/Frame:047900/0494   Pages: 3
Recorded: 01/04/2019
Attorney Dkt #:121162-00209
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
02/23/2012
2
MILLER, MICHAEL
Exec Dt:
02/22/2012
3
FISHKIN, NATHAN
Exec Dt:
02/22/2012
4
CHARI, RAVI V.J.
Exec Dt:
02/27/2012
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10570212
US20190263924
16205609
Correspondence name and address
SYLVIA HSU CHEN YIP
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 54
Reel/Frame:031738/0175   Pages: 3
Recorded: 12/09/2013
Attorney Dkt #:121162-00102
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
09/27/2013
2
WIDDISON, WAYNE C.
Exec Dt:
10/03/2013
3
WILHELM, SHARON D.
Exec Dt:
09/27/2013
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9090629
US20130323268
13883344
Correspondence name and address
YU LU, PH.D., MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 55
Reel/Frame:035737/0919   Pages: 3
Recorded: 05/28/2015
Attorney Dkt #:121162-00103
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
09/27/2013
2
WIDDISON, WAYNE C.
Exec Dt:
10/03/2013
3
WILHELM, SHARON D.
Exec Dt:
09/27/2013
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160058882
14719753
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 56
Reel/Frame:035326/0808   Pages: 3
Recorded: 04/03/2015
Attorney Dkt #:121162-00902
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, WEI
Exec Dt:
03/27/2015
2
MILLER, MICHAEL LOUIS
Exec Dt:
03/20/2015
3
CHARI, RAVI V.J.
Exec Dt:
03/18/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9617270
US20150315193
14621813
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 57
Reel/Frame:036708/0987   Pages: 2
Recorded: 10/01/2015
Attorney Dkt #:121162-00402
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
09/17/2015
2
MILLER, MICHAEL LOUIS
Exec Dt:
09/22/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9555125
US20150209444
14548533
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 58
Reel/Frame:042374/0271   Pages: 2
Recorded: 05/15/2017
Attorney Dkt #:121162-00403
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
09/17/2015
2
MILLER, MICHAEL LOUIS
Exec Dt:
09/22/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10046063
US20170274091
15416797
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 59
Reel/Frame:046329/0302   Pages: 2
Recorded: 07/12/2018
Attorney Dkt #:121162-00404
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
09/17/2015
2
MILLER, MICHAEL LOUIS
Exec Dt:
09/22/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
BOSTON, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190070305
16030151
Correspondence name and address
SYLVIA HSU CHEN YIP
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02108
Assignment: 60
Reel/Frame:046619/0854   Pages: 4
Recorded: 07/24/2018
Attorney Dkt #:121162-00404
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE CITY AND STATE PREVIOUSLY RECORDED ON REEL 046329 FRAME 0302. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
09/17/2015
2
MILLER, MICHAEL LOUIS
Exec Dt:
09/22/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190070305
16030151
Correspondence name and address
SYLVIA HSU CHEN YIP
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02108
Assignment: 61
Reel/Frame:036829/0403   Pages: 3
Recorded: 10/20/2015
Attorney Dkt #:121162-02205
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
10/05/2015
2
MILLER, MICHAEL LOUIS
Exec Dt:
10/05/2015
3
SHIZUKA, MANAMI
Exec Dt:
10/05/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9381256
US20160106863
14843604
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 62
Reel/Frame:036831/0176   Pages: 3
Recorded: 10/20/2015
Attorney Dkt #:121162-02105
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
10/05/2015
2
MILLER, MICHAEL LOUIS
Exec Dt:
10/01/2015
3
SHIZUKA, MANAMI
Exec Dt:
10/05/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9669102
US20160082114
14843520
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 63
Reel/Frame:038777/0972   Pages: 3
Recorded: 06/02/2016
Attorney Dkt #:121162-02206
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
10/05/2015
2
MILLER, MICHAEL LOUIS
Exec Dt:
10/05/2015
3
SHIZUKA, MANAMI
Exec Dt:
10/05/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160367698
15170428
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 64
Reel/Frame:042561/0606   Pages: 3
Recorded: 06/01/2017
Attorney Dkt #:121162-02207
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
10/05/2015
2
MILLER, MICHAEL LOUIS
Exec Dt:
10/05/2015
3
SHIZUKA, MANAMI
Exec Dt:
10/05/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9974867
US20170340749
15476770
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 65
Reel/Frame:042784/0053   Pages: 3
Recorded: 06/22/2017
Attorney Dkt #:121162-02106
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
10/05/2015
2
MILLER, MICHAEL LOUIS
Exec Dt:
10/01/2015
3
SHIZUKA, MANAMI
Exec Dt:
10/05/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10238751
US20170340748
15581749
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 66
Reel/Frame:048564/0830   Pages: 3
Recorded: 03/11/2019
Attorney Dkt #:121162-02107
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
10/05/2015
2
MILLER, MICHAEL LOUIS
Exec Dt:
10/01/2015
3
SHIZUKA, MANAMI
Exec Dt:
10/05/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10722588
US20190269786
16274665
Correspondence name and address
SYLVIA HSU CHEN YIP
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 67
Reel/Frame:053201/0859   Pages: 3
Recorded: 07/14/2020
Attorney Dkt #:121162-02108
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
10/05/2015
2
MILLER, MICHAEL LOUIS
Exec Dt:
10/01/2015
3
SHIZUKA, MANAMI
Exec Dt:
10/05/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11116845
US20200405870
16901754
Correspondence name and address
XIN ZHANG
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 68
Reel/Frame:061633/0533   Pages: 3
Recorded: 11/02/2022
Attorney Dkt #:121162-02112
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
10/05/2015
2
MILLER, MICHAEL LOUIS
Exec Dt:
10/01/2015
3
SHIZUKA, MANAMI
Exec Dt:
10/05/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER ST
WALTHAM, MASSACHUSETTS 02451-1477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230233697
17973209
Correspondence name and address
XIAOYUAN DING
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 69
Reel/Frame:037616/0803   Pages: 4
Recorded: 01/29/2016
Attorney Dkt #:121162-02005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FISHKIN, NATHAN ELLIOTT
Exec Dt:
11/17/2015
2
TAVARES, DANIEL
Exec Dt:
11/18/2015
3
RUI, LINGYUN
Exec Dt:
11/20/2015
4
HARRIS, LUKE B.
Exec Dt:
11/18/2015
5
SHIZUKA, MANAMI
Exec Dt:
11/16/2015
6
MILLER, MICHAEL LOUIS
Exec Dt:
11/16/2015
7
CHARI, RAVI V.J.
Exec Dt:
11/16/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10988531
US20160095938
14843429
Correspondence name and address
CHRISTIANA X. ZHANG, PH.D., J.D.
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 70
Reel/Frame:055354/0254   Pages: 4
Recorded: 02/22/2021
Attorney Dkt #:121162-02006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FISHKIN, NATHAN ELLIOTT
Exec Dt:
11/17/2015
2
TAVARES, DANIEL
Exec Dt:
11/18/2015
3
RUI, LINGYUN
Exec Dt:
11/20/2015
4
HARRIS, LUKE B.
Exec Dt:
11/18/2015
5
SHIZUKA, MANAMI
Exec Dt:
11/16/2015
6
MILLER, MICHAEL LOUIS
Exec Dt:
11/16/2015
7
CHARI, RAVI V.J.
Exec Dt:
11/16/2015
Assignee
1
IMMUNOGEN, INC.
830 WINTER ST
WALTHAM, MASSACHUSETTS 02451-1477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11732038
US20210299271
17174911
Correspondence name and address
XIN ZHANG
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 71
Reel/Frame:053136/0517   Pages: 7
Recorded: 07/07/2020
Attorney Dkt #:121162-02703
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MILLER, MICHAEL LOUIS
Exec Dt:
04/13/2018
2
SHIZUKA, MANAMI
Exec Dt:
09/18/2018
3
CHARI, RAVI V.J.
Exec Dt:
04/13/2018
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11793885
US20200397914
16954878
Correspondence name and address
XIN ZHANG
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 72
Reel/Frame:048193/0757   Pages: 4
Recorded: 01/30/2019
Attorney Dkt #:2921.071000B/EKS/OAP/CLD
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
10/22/2018
2
BLATTLER, WALTER A.
Exec Dt:
10/20/2018
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10844135
US20170226220
15413153
Correspondence name and address
STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C.
1100 NEW YORK AVENUE, NW
SUITE 900
WASHINGTON, DC 20005
Assignment: 73
Reel/Frame:056183/0554   Pages: 5
Recorded: 05/10/2021
Attorney Dkt #:2921.071000C
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
10/22/2018
2
BLATTLER, WALTER A.
Exec Dt:
10/20/2018
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREERT
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210261683
17064981
Correspondence name and address
STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C.
1100 NEW YORK AVENUE, NW
WASHINGTON, DC 20005
Assignment: 74
Reel/Frame:055989/0832   Pages: 9
Recorded: 04/21/2021
Attorney Dkt #:121162-05504
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
11/11/2020
2
WIDDISON, WAYNE C.
Exec Dt:
04/07/2021
3
LI, WEI
Exec Dt:
11/12/2020
4
PLEYNET, DAVID P.
Exec Dt:
12/09/2020
Assignee
1
IMMUNOGEN, INC.
830 WINTER ST
WALTHAM, MASSACHUSETTS 02451-1477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11229639
US20210077482
17032219
Correspondence name and address
XIN ZHANG
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 75
Reel/Frame:057816/0897   Pages: 9
Recorded: 10/18/2021
Attorney Dkt #:121162-05505
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
11/11/2020
2
WIDDISON, WAYNE C.
Exec Dt:
04/07/2021
3
LI, WEI
Exec Dt:
11/12/2020
4
PLEYNET, DAVID P.
Exec Dt:
12/09/2020
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220133711
17502806
Correspondence name and address
XIN ZHANG
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 76
Reel/Frame:058797/0878   Pages: 9
Recorded: 01/27/2022
Attorney Dkt #:121162-04502
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI V.J.
Exec Dt:
01/04/2022
2
MILLER, MICHAEL LOUIS
Exec Dt:
01/05/2022
3
SHIZUKA, MANAMI
Exec Dt:
01/04/2022
4
ARCHER, KATIE ELIZABETH
Exec Dt:
01/12/2022
5
REID, EMILY ELIZABETH
Exec Dt:
01/11/2022
Assignee
1
IMMUNOGEN, INC.
830 WINTER ST
WALTHAM, MASSACHUSETTS 02451-1477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230094471
17599347
Correspondence name and address
XIN ZHANG
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110

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