Patent Assignment
Reel/Frame 020823/0253
Assignment of Assignor's Interest
Recorded: 2008-04-18
Pages: 4
Assignee
XENON PHARMACEUTICALS INC.
3650 GILMORE WAY, BURNABY, BRITISH COLUMBIA, V5G 4W8, CANADA
Covered Property
(1)
Pyridazine Derivatives and Their Use as Therapeutic Agents
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.