Patent Assignment
Reel/Frame 025226/0459
Assignment of Assignor's Interest
Recorded: 2010-11-01
Pages: 2
Assignor
GENENTECH, INC.
Executed: 2010-11-01
Assignee
IMMUNOGEN, INC.
830 WINTER STREET, WALTHAM, MASSACHUSETTS, 02451
Covered Property
(1)
HUMAB4D5-8 Anti-ERBB2 Antibody-Maytansinoid Conjugates
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.