BRUMFIELD, TRUSTEE FOR ASCENT TRUST v. IB LLC

No. 10 C 715.

586 F.Supp.3d 827 (2022)

Harris BRUMFIELD, TRUSTEE FOR ASCENT TRUST, Plaintiff, v. IB LLC, et al., Defendants.

United States District Court, N.D. Illinois, Eastern Division.

Signed February 22, 2022.


Attorney(s) appearing for the Case

Alaina J. Lakawicz , Pro Hac Vice, Baker & Hostetler LLP, Philadelphia, PA, Leif R. Sigmond, Jr. , David Michael Friebus , Harrison Bryant Rose , Jennifer M. Kurcz , Michael David Gannon , Steven F. Borsand , Monika Anna Dudek , Stephanie J. Nelson , Baker & Hostetler LLP, Chicago, IL, Brendan E. Clark , Pro Hac Vice, Baker & Hostetler LLP, Cleveland, OH, Jared A. Brandyberry , Pro Hac Vice, Baker Hostetler LLP, Denver, CO, Jason F. Hoffman , Baker & Hostetler LLP, Washington, DC, John F. Murphy , for Plaintiff Trading Technologies International, Inc.

Michael Steven Sommer , Pro Hac Vice, Wilson Sonsini Goodrich & Rosati PC, New York, NY, Neil N. Desai , Pro Hac Vice, Granville Clayton Kaufman , Pro Hac Vice, Olivia M. Kim , Pro Hac Vice, Naoya Son , Pro Hac Vice, Wilson Sonsini Goodrich & Rosati, P.C., Los Angeles, CA, Christina Elizabeth Dashe , Pro Hac Vice, Natalie J. Morgan , Sarah Ann Siedlak , Pro Hac Vice, Wilson Sonsini Goodrich & Rosati PC, San Diego, CA, John David Fitzpatrick , Steven P. Mandell , Mandell Menkes LLC, Chicago, IL, Matthew Alexander Blair , Pro Hac Vice, Wilson Sonsini Goodrich Rosati P.C., Austin, TX, Matthew Robert Reed , Pro Hac Vice, Michael Brett Levin , Wilson Sonsini Goodrich & Rosati, Palo Alto, CA, for Defendant IBG LLC.

Danielle Nicole Twait , Lathrop Gage LLP, Chicago, IL, Michael Brett Levin , Wilson Sonsini Goodrich & Rosati, Palo Alto, CA, Natalie J. Morgan , Wilson Sonsini Goodrich & Rosati, San Diego, CA, for Defendants TD Ameritrade Online Holding Corporation, TD Ameritrade, Inc.

Neil N. Desai , Pro Hac Vice, Olivia M. Kim , Pro Hac Vice, Wilson Sonsini Goodrich & Rosati, Los Angeles, CA, Christina Elizabeth Dashe , Pro Hac Vice, Natalie J. Morgan , Wilson Sonsini Goodrich & Rosati, San Diego, CA, Danielle Nicole Twait , Lathrop Gage LLP, John David Fitzpatrick , Steven P. Mandell , Mandell Menkes LLC, Steven L. Baron , Baron Harris Healey, Chicago, IL, Matthew Alexander Blair , Pro Hac Vice, Wilson Sonsini Goodrich Rosati P.C., Austin, TX, for Defendant Interactive Brokers LLC.

Marc Victor Richards , Brinks, Hofer, Gilson & Lione, Mircea Tipescu , Michael Best & Friedrich, Chicago, IL, for Defendants Stellar Trading Systems, Ltd., Stellar Trading Systems, Inc.

Gary A. Rosen , Law Offices of Gary A. Rosen, P.C., Ardmore, PA, for Defendant eSpeed Markets, L.P.

Michael Steven Sommer , Pro Hac Vice, Wilson Sonsini Goodrich & Rosati PC, New York, NY, Naoya Son , Pro Hac Vice, Wilson Sonsini Goodrich & Rosati, P.C., Los Angeles, CA, Sarah Ann Siedlak , Pro Hac Vice, Wilson Sonsini Goodrich & Rosati PC, San Diego, CA, for Defendant Interactive Brokers Group, LLC.


MEMORANDUM OPINION AND ORDER

Following a month-long jury trial in this patent infringement action, the jury returned a verdict in Trading Technologies' ("TT")1 favor, finding that IB's BookTrader product infringed TT's '304 and '132 patents...

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