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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
7989598
Issue Dt:
08/02/2011
Application #:
11927251
Filing Dt:
10/29/2007
Publication #:
20080171856
Pub Dt:
07/17/2008
Inventors:
Rita M. Steeves, Ravi V.J. Chari, Walter A. Blättler
Title:
METHOD OF TARGETING SPECIFIC CELL POPULATIONS USING CELL-BINDING AGENT MAYTANSINOID CONJUGATES LINKED VIA A NON-CLEAVABLE LINKER, SAID CONJUGATES AND METHODS OF MAKING SAID CONJUGATES
Assignment: 1
Reel/Frame:
020930/0905Recorded: 05/13/2008Pages: 9
Conveyance:
ADDRESS CHANGE
Assignor:
IMMUNOGEN, INC.
Exec Dt:
03/24/2008
Assignee:
IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Correspondent:
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, NW
SUITE 800
WASHINGTON, DC 20037
Assignment: 2
Reel/Frame:
027143/0364Recorded: 10/28/2011Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
BLAETTLER, WALTER A.
Exec Dt:
06/28/2011
Assignee:
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Correspondent:
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 3
Reel/Frame:
026651/0182Recorded: 07/26/2011Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
BLAETTLER, WALTER A.
Exec Dt:
06/30/2011
Assignee:
IMMUNOGEN INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Correspondent:
SUGHRUE MION, PLLC
2100 PENNSYLVANIA AVENUE, N.W.
SUITE 800
WASHINGTON, DC 20037
Assignment: 4
Reel/Frame:
063282/0894Recorded: 04/06/2023Pages: 34
Conveyance:
PATENT SECURITY AGREEMENT
Assignors:
IMMUNOGEN, INC.
Exec Dt:
04/06/2023
IMMUNOGEN SWITZERLAND GMBH
Exec Dt:
04/06/2023
Assignee:
BIOPHARMA CREDIT PLC
C/O BEAUFORT HOUSE, 51 NEW NORTH ROAD
EXETER EX4 4EP, UNITED KINGDOM
Correspondent:
MUSSIE B BEYENE
2001 K STREET N.W.
WASHINGTON DC, DC 20006
Assignment: 5
Reel/Frame:
066553/0109Recorded: 02/12/2024Pages: 34
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
BIOPHARMA CREDIT PLC
Exec Dt:
02/12/2024
Assignees:
IMMUNOGEN, INC.
C/O IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
IMMUNOGEN SWITZERLAND GMBH
BAARERSTRASSE 14
ZUG, SWITZERLAND 6300
Correspondent:
JONATHAN BRADFORD
PRUDENTIAL TOWER
800 BOYLSTON STREET
BOSTON, MA 02199-3600

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