Lillien, Jeffrey v. Peak6 Investments

In the United States Court of Appeals For the Seventh Circuit ____________ No. 04-3081 JEFFREY LILLIEN, Plaintiff-Appellant, v. PEAK6 INVESTMENTS, L.P. and PEAK6 L.L.C., Defendants-Appellees. ____________ Appeal from the United States District Court for the Northern District of Illinois, Eastern Division. No. 03 C 2292—James B. Zagel, Judge. ____________ ARGUED FEBRUARY 7, 2005—DECIDED AUGUST 2, 2005 ____________ Before ROVNER, WILLIAMS, and SYKES, Circuit Judges. ROVNER, Circuit Judge. Jeffrey Lillien sued Peak6 Investments, L.P. and Peak6 L.L.C. (collectively “Peak6 ”) for fraudulently…