IP Library › Assignment 015362/0815
Patent Assignment
Reel/Frame 015362/0815

Assignment of Assignor's Interest

Recorded: 2004-05-20 Pages: 2
Assignors
CHARI, RAVI V.J.
Executed: 2004-05-19
WIDDISON, WAYNE C.
Executed: 2004-05-19
Assignee
IMMUNOGEN, INC.
128 SIDNEY STREET, CAMBRIDGE, MASSACHUSETTS, 02139-4239
Covered Property (1)
Cytotoxic Agents Comprising New Maytansinoids
Patent: 7,276,497 →
Application: 10/849,136 →
Publication: US 2004/0235840
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 12, 2007
From: CHARI, RAVI V. J.; WIDDISON, WAYNE C.
To: IMMUNOGEN, INC.
Reel/Frame 019415/0051 →
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 →