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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
02/05/2019
Application #:
11880852
Filing Dt:
07/24/2007
Publication #:
Pub Dt:
05/14/2009
Inventors:
Peter Armstrong, Amy Farnstrom, Jon Werts
Title:
Displayed and dark equity options electronic order book with market maker participation
Assignment: 1
Reel/Frame:
019954/0278Recorded: 10/09/2007Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
09/26/2007
Exec Dt:
09/26/2007
Exec Dt:
09/25/2007
Assignee:
100 SOUTH WACKER DRIVE SUITE 1800
CHICAGO, ILLINOIS 60606
Correspondent:
MARTIN LEFEVOUR, LEFEVOUR LAW GROUP LLC
4365 LAWN AVE., SUITE 5
CHICAGO, IL 60558
Assignment: 2
Reel/Frame:
028896/0099Recorded: 09/04/2012Pages: 3
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/13/2012
Assignee:
20 BROAD STREET
NEW YORK, NEW YORK 10005
Correspondent:
RAJIV P. PATEL
FENWICK & WEST LLP
801 CALIFORNIA STREET
MOUNTAIN VIEW, CA 94041

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