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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
NONE
Issue Dt:
Application #:
17964168
Filing Dt:
10/12/2022
Publication #:
Pub Dt:
04/06/2023
Inventors:
Brenda A. KELLOGG, Rajeeva SINGH, Ravi V. CHARI
Title:
CONJUGATION METHODS
Assignment: 1
Reel/Frame:
061396/0729Recorded: 10/12/2022Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
06/07/2010
Exec Dt:
06/07/2010
Exec Dt:
06/07/2010
Assignee:
830 WINTER STREET
WALTHAM, MASSACHUSETTS 02451
Correspondent:
NIXON & VANDERHYE P.C.
901 N. GLEBE ROAD, 11TH FLOOR
ARLINGTON, VA 22203
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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