Patent Assignment
Reel/Frame 022255/0650
Assignment of Assignor's Interest
Recorded: 2009-02-13
Pages: 3
Assignee
CHICAGO BOARD OPTIONS EXCHANGE
400 S. LASALLE STREET, CHICAGO, ILLINOIS, 60605
Covered Property
(1)
Method and System for Creating and Trading Derivative Investment Instruments Based on an Index of Investment Management Companies
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.