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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
11/24/2020
Application #:
15413153
Filing Dt:
01/23/2017
Publication #:
Pub Dt:
08/10/2017
Inventors:
Ravi V.J. CHARI, Walter A. BLATTLER
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:
048193/0757Recorded: 01/30/2019Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
10/22/2018
Exec Dt:
10/20/2018
Assignee:
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Correspondent:
STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C.
1100 NEW YORK AVENUE, NW
SUITE 900
WASHINGTON, DC 20005
Assignment: 2
Reel/Frame:
063282/0894Recorded: 04/06/2023Pages: 34
Conveyance:
PATENT SECURITY AGREEMENT
Assignors:
Exec Dt:
04/06/2023
Exec Dt:
04/06/2023
Assignee:
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: 3
Reel/Frame:
066553/0109Recorded: 02/12/2024Pages: 34
Conveyance:
RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/12/2024
Assignees:
C/O IMMUNOGEN, INC.
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
BAARERSTRASSE 14
ZUG, SWITZERLAND 6300
Correspondent:
JONATHAN BRADFORD
PRUDENTIAL TOWER
800 BOYLSTON STREET
BOSTON, MA 02199-3600

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