Patent Assignment
Reel/Frame 028938/0578
Assignment of Assignor's Interest
Recorded: 2012-09-11
Pages: 4
Assignee
ARCHIPELAGO HOLDINGS, INC.
100 SOUTH WACKER DRIVE, SUITE 1800, CHICAGO, ILLINOIS, 60606
Covered Property
(1)
Routing of Orders in Equity Options by Means of a Parameterized Rules-Based Routing Table
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.