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Patent Assignment Assignee Details
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Assignee Name : IMMUNOGEN INC.
Total Assignments: 49
Assignment: 1
Reel/Frame:012089/0637   Pages: 2
Recorded: 08/21/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHARI, RAVI
Exec Dt:
11/24/1999
2
BLATTLER, WALTER
Exec Dt:
11/24/1999
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6340701
NONE
09717026
Correspondence name and address
SUGHRUE, MION, ZINN, MACPEAK & SEAS PLLC
DREW HISSONG
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3213
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: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: 4
Reel/Frame:012180/0332   Pages: 2
Recorded: 09/17/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAN, JIA-WEN
Exec Dt:
09/17/2001
2
CHITTENDEN, THOMAS
Exec Dt:
09/17/2001
Assignee
1
IMMUNOGEN INC.
128 SYDNEY ST.
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7202024
US20030059776
09953133
Correspondence name and address
SUGHRUE, MION, ZINN, MACEPEAK & ET AL
DREW HISSONG
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, D.C. 20037-3213
Assignment: 5
Reel/Frame:012938/0891   Pages: 3
Recorded: 05/28/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHUNG, JOHNSON
Exec Dt:
03/12/2002
2
BYNG, GRAHAM S.
Exec Dt:
03/13/2002
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6790954
US20030157694
10057561
Correspondence name and address
SUGHRUE MION, PLLC
CHRISTOPHER J. KAY
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037-3213
Assignment: 6
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: 7
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: 8
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: 9
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: 10
Reel/Frame:020554/0732   Pages: 8
Recorded: 02/25/2008
Attorney Dkt #:A8883
Conveyance: MERGER (SEE DOCUMENT FOR DETAILS).
Assignor
1
APOPTOSIS TECHNOLOGY, INC.
Exec Dt:
06/18/2004
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7449450
US20050191696
11104506
Correspondence name and address
SUGHRUE MION PLLC
2100 PENNSYLVANIA AVENUE
SUITE 800
WASHINGTON, DC 20036
Assignment: 11
Reel/Frame:015897/0747   Pages: 2
Recorded: 10/18/2004
Attorney Dkt #:a-8621
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAYNE, GILLIAN
Exec Dt:
07/30/2004
2
CHUN, PHILIP
Exec Dt:
07/30/2004
3
TAVARES, DANIEL J.
Exec Dt:
07/30/2004
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050123549
10895135
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 12
Reel/Frame:016340/0460   Pages: 2
Recorded: 03/08/2005
Attorney Dkt #:A8340
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAYNE, GILLIAN
Exec Dt:
03/08/2005
2
CHITTENDEN, THOMAS
Exec Dt:
03/08/2005
3
GOLDMAKHER, VIKTOR
Exec Dt:
03/08/2005
4
CHUN, PHILIP
Exec Dt:
03/08/2005
5
SNEIDER-MULREADY, KRISTIN
Exec Dt:
03/08/2005
6
VATER, CAROL A.
Exec Dt:
03/08/2005
Assignee
1
IMMUNOGEN INC.
128 SIDNEY ST.
CAMBRIDGE, MASSACHUSETTS 02139-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7202346
US20040057952
10612090
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 13
Reel/Frame:017877/0232   Pages: 3
Recorded: 05/09/2006
Attorney Dkt #:A-8858
Conveyance: CORRECTION OF ASSIGNMENT PREVIOUSLY RECORDED AT REEL 016934 FRAME 0085 FOR FIRST ASSIGNOR DOC DATE 8/17/2005 AND SECOND ASSIGNOR DOC DATE 8/16/2005.
Assignors
1
PAYNE, GILLIAN
Exec Dt:
08/17/2005
2
TAVARES, DANIEL J.
Exec Dt:
08/16/2005
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7834155
US20070041980
11213046
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 14
Reel/Frame:038062/0585   Pages: 2
Recorded: 03/22/2016
Attorney Dkt #:2921.0450004 2921.0450005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAYNE, GILLIAN
Exec Dt:
08/17/2005
2
TAVARES, DANIEL J.
Exec Dt:
08/16/2005
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139-4239
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
8987424
US20090099336
12101999
 
9370584
US20110064733
12912107
Correspondence name and address
STERNE KESSLER GOLDSTEIN & FOX, P.L.L.C.
1100 NEW YORK AVENUE, N.W.
WASHINGTON, DC 20005
Assignment: 15
Reel/Frame:016934/0085   Pages: 2
Recorded: 08/29/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAYNE, GILLIAN
Exec Dt:
08/25/2005
2
TAVARES, DANIEL J.
Exec Dt:
08/25/2005
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7834155
US20070041980
11213046
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 16
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: 17
Reel/Frame:017861/0081   Pages: 2
Recorded: 05/04/2006
Attorney Dkt #:A8689
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGH, RAJEEVA
Exec Dt:
05/01/2006
2
TAVARES, DANIEL J.
Exec Dt:
05/02/2006
3
DAGDIGIAN, NANCY E.
Exec Dt:
05/01/2006
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 01239-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8034904
US20040265307
10729441
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 18
Reel/Frame:018406/0934   Pages: 3
Recorded: 10/12/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHANG, WEI
Exec Dt:
08/21/2006
2
FLEMING, MICHAEL S.
Exec Dt:
08/25/2006
3
AMPHLETT, GODFREY
Exec Dt:
08/25/2006
4
CHIH, HUNG-WEI
Exec Dt:
08/25/2006
5
BARTLETT, ELIZABETH
Exec Dt:
08/25/2006
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 01239-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9114179
US20070031402
11498139
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 19
Reel/Frame:045697/0097   Pages: 6
Recorded: 05/02/2018
Attorney Dkt #:IGH-00208
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAI, YONG
Exec Dt:
08/24/2006
2
WANG, YONG
Exec Dt:
08/24/2006
3
JIN, SHENGJIN
Exec Dt:
08/24/2006
4
MESHULAM, DEBORAH H.
Exec Dt:
08/18/2006
5
AMPHLETT, GODFREY W.
Exec Dt:
08/21/2006
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11471536
US20190030177
15964418
Correspondence name and address
FOLEY HOAG LLP
155 SEAPORT BOULEVARD
BOSTON, MA 02210-2600
Assignment: 20
Reel/Frame:061057/0810   Pages: 6
Recorded: 09/12/2022
Attorney Dkt #:6776-0512
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DAI, YONG
Exec Dt:
08/24/2006
2
WANG, YONG
Exec Dt:
08/24/2006
3
JIN, SHENGJIN
Exec Dt:
08/24/2006
4
MESHULAM, DEBORAH H.
Exec Dt:
08/18/2006
5
AMPHLETT, GODFREY W.
Exec Dt:
08/21/2006
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230158168
17940297
Correspondence name and address
NIXON & VANDERHYE P.C.
901 N. GLEBE ROAD, 11TH FLOOR
ARLINGTON, VA 22203
Assignment: 21
Reel/Frame:018967/0968   Pages: 4
Recorded: 02/23/2007
Conveyance: CORRECTED COVERSHEET TO CORRECT ASSIGNEE ADDRESS, PREVIOUSLY RECORDED AT REEL/FRAME 018406/0934 (ASSIGNMENT OF ASSIGNOR'S INTEREST)
Assignors
1
ZHANG, WEI
Exec Dt:
08/25/2006
2
FLEMING, MICHAEL S.
Exec Dt:
08/21/2006
3
AMPHLETT, GODFREY
Exec Dt:
08/21/2006
4
CHIH, HUNG-WEI
Exec Dt:
08/21/2006
5
BARTLETT, ELIZABETH
Exec Dt:
08/21/2006
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9114179
US20070031402
11498139
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 22
Reel/Frame:020262/0731   Pages: 2
Recorded: 12/18/2007
Attorney Dkt #:A9159
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFFEE, MARY G.
Exec Dt:
12/10/2007
2
TAVARES, DANIEL
Exec Dt:
12/03/2007
3
LUTZ, ROBERT J.
Exec Dt:
12/03/2007
Assignee
1
IMMUNOGEN INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 02139
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7342110
US20060177455
11400241
Correspondence name and address
SUGHRUE MION PLLC
2100 PENNSYLVANIA AVENUE
SUITE 800
WASHINGTON, DC 20036
Assignment: 23
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: 24
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: 25
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: 26
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: 27
Reel/Frame:040819/0040   Pages: 3
Recorded: 12/06/2016
Attorney Dkt #:3028-114BNP-DIV
Conveyance: PARTIAL INTEREST ASSIGNMENT
Assignor
1
BIOTEST AG
Exec Dt:
01/20/2009
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451-1477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170081418
15186435
Correspondence name and address
JOYCE VON NATZMER
43 WEST 43RD STREET, SUITE 104
NEW YORK, NY 10036
Assignment: 28
Reel/Frame:022366/0722   Pages: 2
Recorded: 03/09/2009
Attorney Dkt #:A10116
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SANOFI-AVENTIS
Exec Dt:
03/09/2009
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8012978
US20090028821
12204082
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVE., NW
WASHINGTON, DC 20037
Assignment: 29
Reel/Frame:023906/0481   Pages: 3
Recorded: 02/05/2010
Attorney Dkt #:A10207
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 #
 
 
 
 
 
 
 
 
 
 
 
9150649
US20100129314
12574466
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 30
Reel/Frame:023392/0045   Pages: 2
Recorded: 10/19/2009
Attorney Dkt #:A10167
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUTZ, ROBERT J.
Exec Dt:
10/19/2009
2
WHITEMAN, KATHLEEN R.
Exec Dt:
10/19/2009
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8563700
US20100028346
12485446
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 31
Reel/Frame:023690/0851   Pages: 2
Recorded: 12/22/2009
Attorney Dkt #:A10222
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
CHARI, RAVI V. J.
Exec Dt:
12/16/2009
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100092495
12574430
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 32
Reel/Frame:024288/0681   Pages: 3
Recorded: 04/26/2010
Attorney Dkt #:A10284
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 #
 
 
 
 
 
 
 
 
 
 
 
8426402
US20100203007
12700131
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 33
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: 34
Reel/Frame:024856/0126   Pages: 2
Recorded: 08/18/2010
Attorney Dkt #:A10360
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 #
 
 
 
 
 
 
 
 
 
 
 
8624003
US20110003969
12793175
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
WASHINGTON, DC 20037
Assignment: 35
Reel/Frame:028769/0101   Pages: 2
Recorded: 08/10/2012
Attorney Dkt #:FR2009/104 US CNT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TAVARES, DANIEL
Exec Dt:
12/03/2010
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120276124
13434363
Correspondence name and address
ROBIN J. INMAN
55 CORPORATE DRIVE
MAIL CODE: 55A-505A
BRIDGEWATER, NJ 08807
Assignment: 36
Reel/Frame:028779/0039   Pages: 2
Recorded: 08/13/2012
Attorney Dkt #:FR2009/082 US PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
TAVARES, DANIEL
Exec Dt:
12/03/2010
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8668910
US20120201828
13499459
Correspondence name and address
ROBIN J. INMAN
55 CORPORATE DRIVE
MAIL CODE: 55A-505A
BRIDGEWATER, NJ 08807
Assignment: 37
Reel/Frame:025790/0347   Pages: 2
Recorded: 02/10/2011
Attorney Dkt #:A10556
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DECKERT, JUTTA
Exec Dt:
02/03/2011
2
TAVARES, DANIEL J.
Exec Dt:
01/28/2011
3
PARK, PETER U.
Exec Dt:
01/28/2011
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9175086
US20110195022
13024671
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N. W.
WASHINGTON, DC 20037
Assignment: 38
Reel/Frame:025796/0724   Pages: 2
Recorded: 02/11/2011
Attorney Dkt #:A10555
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DECKERT, JUTTA
Exec Dt:
02/03/2011
2
RUI, LINGYUN
Exec Dt:
02/07/2011
3
PARK, PETER U.
Exec Dt:
01/28/2011
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9173961
US20110195021
13024556
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENSYLVANIA AVE., NW
WASHINGTON, DC 20037
Assignment: 39
Reel/Frame:036759/0570   Pages: 2
Recorded: 10/08/2015
Attorney Dkt #:2921.0410002/EKS/CLD/R-G
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DECKERT, JUTTA
Exec Dt:
02/03/2011
2
TAVARES, DANIEL J.
Exec Dt:
01/28/2011
3
PARK, PETER U.
Exec Dt:
01/28/2011
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160115238
14856056
Correspondence name and address
STERNE, KESSLER, GOLDSTEIN & FOX PLLC
1100 NEW YORK AVENUE, N.W.
WASHINGTON, DC 20005
Assignment: 40
Reel/Frame:036759/0600   Pages: 2
Recorded: 10/08/2015
Attorney Dkt #:2921.0420003/EKS/CLD/R-G
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DECKERT, JUTTA
Exec Dt:
02/03/2011
2
RUI, LINGYUN
Exec Dt:
02/07/2011
3
PARK, PETER U.
Exec Dt:
01/28/2011
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160108126
14856061
Correspondence name and address
STERNE, KESSLER, GOLDSTEIN & FOX PLLC
1100 NEW YORK AVENUE, N.W.
WASHINGTON, DC 20005
Assignment: 41
Reel/Frame:027143/0364   Pages: 2
Recorded: 10/28/2011
Attorney Dkt #:A8662/A9772/A9773/A9774
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BLAETTLER, WALTER A.
Exec Dt:
06/28/2011
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
8088387
US20050169933
10960602
 
8163888
US20080114153
11927217
 
7989598
US20080171856
11927251
 
8198417
US20080145374
11927314
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 42
Reel/Frame:026651/0182   Pages: 2
Recorded: 07/26/2011
Attorney Dkt #:A8662,A9772,A9773,A9774
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BLAETTLER, WALTER A.
Exec Dt:
06/30/2011
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
8088387
US20050169933
10960602
 
8163888
US20080114153
11927217
 
7989598
US20080171856
11927251
 
8198417
US20080145374
11927314
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 43
Reel/Frame:026749/0186   Pages: 2
Recorded: 08/15/2011
Attorney Dkt #:A9775
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WIDDISON, WAYNE C.
Exec Dt:
08/15/2011
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8563509
US20080171865
11927235
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 44
Reel/Frame:026749/0225   Pages: 2
Recorded: 08/15/2011
Attorney Dkt #:A10345
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WIDDISON, WAYNE C.
Exec Dt:
08/15/2011
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8685920
US20110281856
13178728
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 45
Reel/Frame:044821/0738   Pages: 4
Recorded: 02/02/2018
Attorney Dkt #:IGH-00304
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XINFANG
Exec Dt:
04/17/2012
2
WORFUL, JARED M.
Exec Dt:
04/20/2012
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10435432
US20180273581
15886495
Correspondence name and address
FOLEY HOAG LLP
155 SEAPORT BOULEVARD
BOSTON, MA 02210-2600
Assignment: 46
Reel/Frame:053077/0419   Pages: 4
Recorded: 06/29/2020
Attorney Dkt #:6776.0686
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XINFANG
Exec Dt:
04/17/2012
2
WORFUL, JARED M.
Exec Dt:
04/20/2012
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11090390
US20200330604
16787942
Correspondence name and address
NIXON & VANDERHYE, P.C.
901 NORTH GLEBE ROAD
SUITE 1100
ARLINGTON, VA 22203
Assignment: 47
Reel/Frame:056799/0525   Pages: 4
Recorded: 07/09/2021
Attorney Dkt #:6776.0696
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LI, XINFANG
Exec Dt:
04/17/2012
2
WORFUL, JARED M.
Exec Dt:
04/20/2012
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11744900
US20220133899
17371151
Correspondence name and address
NIXON & VANDERHYE, PC
901 N. GLEBE ROAD
SUITE 1100
ARLINGTON, VA 22203
Assignment: 48
Reel/Frame:030882/0027   Pages: 2
Recorded: 07/26/2013
Attorney Dkt #:3028-122US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BIOTEST AG
Exec Dt:
06/19/2013
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451-1477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10117932
US20140010828
13708014
Correspondence name and address
JOYCE VON NATZMER
200 MADISON AVE, SUITE 1901
NEW YORK, NY 10016
Assignment: 49
Reel/Frame:049632/0163   Pages: 2
Recorded: 01/11/2019
Attorney Dkt #:3028-122USCON
Conveyance: PARTIAL ASSIGNMENT
Assignor
1
BIOTEST AG
Exec Dt:
06/19/2013
Assignee
1
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451-1477
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190117770
16139379
Correspondence name and address
AGRIS AND VON NATZMER LLP
43 WEST 43RD STREET, SUITE 104
NEW YORK, NY 10036-7424

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