Patent Assignment
Reel/Frame 020668/0359
Assignment of Assignor's Interest
Recorded: 2008-03-18
Pages: 4
Assignor
GENENTECH, INC.
Executed: 2008-03-17
Assignee
SEATTLE GENETICS, INC.
21823 30TH DRIVE, BOTHELL, WASHINGTON, 98021
Covered Property
(1)
Heterocyclic Self-Immolative Linkers and Conjugates
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.