Patent Assignment
Reel/Frame 016447/0844
Assignment of Assignor's Interest
Recorded: 2005-04-08
Pages: 3
Assignors
KUO, CYNTHIA
Executed: 2005-01-20
BYNG, GRAHAM S.
Executed: 2005-01-20
WIDDISON, WAYNE C.
Executed: 2005-01-19
Assignee
IMMUNOGEN, INC.
128 SIDNEY STREET, CAMBRIDGE, MASSACHUSETTS, 02139-4239
Covered Property
(1)
Methods for the Production of Ansamitocins
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Address Change
May 13, 2008
From: IMMUNOGEN, INC.
To: IMMUNOGEN, INC.
Reel/Frame 020930/0905 →
Patent Security Agreement
Apr 6, 2023
From: IMMUNOGEN, INC.; IMMUNOGEN SWITZERLAND GMBH
To: BIOPHARMA CREDIT PLC
Reel/Frame 063282/0894 →
Release of Security Interest
Feb 12, 2024
From: BIOPHARMA CREDIT PLC
To: IMMUNOGEN, INC.; IMMUNOGEN SWITZERLAND GMBH
Reel/Frame 066553/0109 →