Patent Assignment
Reel/Frame 024030/0585
Assignment of Assignor's Interest
Recorded: 2010-03-04
Pages: 3
Assignor
SHALEN, CATHERINE T.
Executed: 2010-02-23
Assignee
CHICAGO BOARD OPTIONS EXCHANGE INCORPORATED
400 S. LASALLE STREET, CHICAGO, ILLINOIS, 60605
Covered Properties
(2)
System and Method for Creating and Trading a Digital Derivative Investment Instrument
System and Method for Creating and Trading a Digital Derivative Investment Instrument
Application:
61/103,729 →
Related Assignments
(2)
Other recorded transfers of the patents in this record — the chain of ownership.