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Patent Assignment Assignor Details
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Assignor Name : SINGH, RAJEEVA
Total Assignments: 24
Assignment: 1
Reel/Frame:006326/0527   Pages: 4
Recorded: 10/09/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WHITESIDES, GEORGE M.
Exec Dt:
09/23/1992
2
LEES, WATSON J.
Exec Dt:
09/23/1992
3
SINGH, RAJEEVA
Exec Dt:
09/23/1992
Assignee
1
PRESIDENT AND FELLOWS OF HARVARD COLLEGE
17 QUINCY STREET
CAMBRIDGE, MASSACHUSETTS 02138
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5378813
NONE
07891565
Correspondence name and address
RICHARD J. WARBURG, ESQ.
LYON & LYON
611 WEST SIXTH STREET
34TH FLOOR
LOS ANGELES, CA 90017
Assignment: 2
Reel/Frame:013953/0914   Pages: 2
Recorded: 04/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SINGH, RAJEEVA
Exec Dt:
04/09/2003
2
TAVARES, DANIEL J.
Exec Dt:
03/20/2003
3
DAGDIGIAN, NANCY E.
Exec Dt:
03/20/2003
Assignee
1
IMMUNOGEN, INC.
128 SIDNEY STREET
CAMBRIDGE, MASSACHUSETTS 01239-4239
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7538195
US20030235582
10170390
Correspondence name and address
SUGHRUE, MION, PLLC
2100 PENNSYLVANIA, AVE N.W.
WASHINGTON, D.C. 20037
Assignment: 3
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: 4
Reel/Frame:022635/0807   Pages: 3
Recorded: 05/04/2009
Attorney Dkt #:A10145
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 #
 
 
 
 
 
 
 
 
 
 
 
8236319
US20090274713
12433604
Correspondence name and address
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVE., NW
WASHINGTON, DC 20037
Assignment: 5
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: 6
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: 7
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: 8
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: 9
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
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10494431
US20180291100
15911571
Correspondence name and address
SYLVIA HSU CHEN YIP
MCCARTER & ENGLISH LLP
265 FRANKLIN STREET
BOSTON, MA 02108
Assignment: 10
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: 11
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: 12
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: 13
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: 14
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: 15
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: 16
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: 17
Reel/Frame:048232/0335   Pages: 2
Recorded: 02/04/2019
Attorney Dkt #:IGH-00105
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 #
 
 
 
 
 
 
 
 
 
 
 
10815309
US20190263935
16265249
Correspondence name and address
FOLEY HOAG LLP
155 SEAPORT BOULEVARD
BOSTON, MA 02210-2600
Assignment: 18
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: 19
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: 20
Reel/Frame:028403/0759   Pages: 3
Recorded: 06/19/2012
Attorney Dkt #:121162-00302
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FISHKIN, NATHAN
Exec Dt:
02/22/2012
2
MILLER, MICHAEL
Exec Dt:
02/22/2012
3
LI, WEI
Exec Dt:
02/23/2012
4
SINGH, RAJEEVA
Exec Dt:
02/23/2012
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9353127
US20120238731
13397205
Correspondence name and address
YU LU, PH.D., MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 21
Reel/Frame:039257/0616   Pages: 3
Recorded: 07/26/2016
Attorney Dkt #:121162-00303
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FISHKIN, NATHAN ELLIOTT
Exec Dt:
02/22/2012
2
MILLER, MICHAEL LOUIS
Exec Dt:
02/22/2012
3
LI, WEI
Exec Dt:
02/23/2012
4
SINGH, RAJEEVA
Exec Dt:
02/23/2012
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9868791
US20160324980
15097979
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 22
Reel/Frame:043571/0252   Pages: 3
Recorded: 09/13/2017
Attorney Dkt #:121162-00304
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FISHKIN, NATHAN ELLIOTT
Exec Dt:
02/22/2012
2
MILLER, MICHAEL LOUIS
Exec Dt:
02/22/2012
3
LI, WEI
Exec Dt:
02/23/2012
4
SINGH, RAJEEVA
Exec Dt:
02/23/2012
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10364294
US20180037659
15677846
Correspondence name and address
MCCARTER & ENGLISH, LLP
265 FRANKLIN STREET
BOSTON, MA 02110
Assignment: 23
Reel/Frame:031129/0925   Pages: 6
Recorded: 09/03/2013
Attorney Dkt #:2921.0110002/EKS/PAC/MSS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SETIADY, JULIANTO
Exec Dt:
07/03/2013
2
SINGH, RAJEEVA
Exec Dt:
07/03/2013
3
PARK, PETER U.
Exec Dt:
07/03/2013
4
RUI, LINGYUN
Exec Dt:
07/16/2013
5
CHITTENDEN, THOMAS
Exec Dt:
07/08/2013
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9238690
US20140023662
13882059
Correspondence name and address
STERNE, KESSLER, GOLDSTEIN & FOX PLLC
1100 NEW YORK AVENUE, N.W.
WASHINGTON, DC 20005
Assignment: 24
Reel/Frame:036317/0649   Pages: 6
Recorded: 08/13/2015
Attorney Dkt #:2921.0110003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SETIADY, JULIANTO
Exec Dt:
07/03/2013
2
SINGH, RAJEEVA
Exec Dt:
07/03/2013
3
PARK, PETER U.
Exec Dt:
07/03/2013
4
RUI, LINGYUN
Exec Dt:
07/16/2013
5
CHITTENDEN, THOMAS
Exec Dt:
07/08/2013
Assignee
1
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160017053
14707947
Correspondence name and address
STERNE, KESSLER, GOLDSTEIN & FOX PLLC
1100 NEW YORK AVENUE, N.W.
WASHINGTON, DC 20005

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