IP Library › Assignment 017487/0383
Patent Assignment
Reel/Frame 017487/0383

Assignment of Assignor's Interest

Recorded: 2006-01-19 Pages: 2
Assignors
WIDDISON, WAYNE C.
Executed: 2006-01-19
CHARI, RAVI V.J.
Executed: 2006-01-18
Assignee
IMMUNOGEN, INC.
128 SIDNEY STREET, CAMBRIDGE, MASSACHUSETTS, 02139-4239
Covered Property (1)
Method for the Preparation of Maytansinoid Esters
Patent: 7,301,019 →
Application: 11/334,478 →
Publication: US 2006/0167245
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 →