Dallas Buyers Club, LLC v. Does 1-14., No. 15 C 2924, Slip Op. (N.D. Ill. Apr. 7, 2015) (Shadur, Sen. J.). Judge Shadur sua sponte granted plaintiff Dallas Buyers Club leave to amend its complaint in this Bit Torrent copyright infringement case involving the movie Dallas Buyer’s Club.  Citing its prior decision in Zambezia

CBOE v. ISE, No. 07 C 623, Slip Op. (N.D. Ill. Mar. 6, 2013) (Lefkow, J.).

Judge Lefkow granted in part plaintiff CBOE’s motion to strike defendant ISE’s expert witness in this patent case, as follows:

  • This case was not governed by the Local Patent Rules (“LPR”) because it was filed before the LPR

CBOE v. ISE, No. 07 C 623, Slip Op. (N.D. Ill. Mar. 6, 2013) (Lefkow, J.).

Judge Lefkow considered defendant ISE’s arguments that the Court’s construction of “means for matching” was incomplete because it did not define an algorithm as part of the structure for the means plus function term.  The Court held that

CBOE v. ISE, No. 07 C 623, Slip Op. (N.D. Ill. Mar. 6, 2013) (Lefkow, J.).

Judge Lefkow granted defendant ISE’s motion to exclude plaintiff CBOE’s evidence of non-infringing alternatives from the lost profits analysis in this patent case.  The identified alternative was never in use during the alleged infringement.  And CBOE offered only

CBOE v. ISE, No. 07 C 623, Slip Op. (N.D. Ill. Mar. 6, 2013) (Lefkow, J.).

Judge Lefkow granted plaintiff CBOE’s motion in limine excluding argument that § 103 obviousness references must each be enabling in this patent case.  Furthermore, the Court limited defendant ISE’s enablement arguments to those specifically called out in ISE’s

CBOE v. ISE, No. 07 C 623, Slip Op. (N.D. Ill. Mar. 6, 2013) (Lefkow, J.).

Judge Lefkow granted in part plaintiff CBOE’s motion in limine to exclude defendant ISE from introducing evidence of secondary consideration of nonobviousness in this patent case.

Commercial Success:

Whether ISE had shown a nexus between its products and

CBOE v. ISE, No. 07 C 623, Slip Op. (N.D. Ill. Mar. 6, 2013) (Lefkow, J.).

Judge Lefkow granted plaintiff CBOE’s motion in limine limiting defendant ISE’s expert testimony consistent with prior rulings regarding the scope of evidence in this patent case.  The expert was allowed to testify regarding alleged infringement by CBOE’s accused

CBOE v. ISE, No. 07 C 623, Slip Op. (N.D. Ill. Mar. 6, 2013) (Lefkow, J.).

Judge Lefkow granted in part CBOE’s motion in limine to limit ISE’s infringement argument at trial in this patent case.  The issue for trial was whether CBOE’s Hybrid system was “merely two independent exchanges” or an integrated system.