Dao Health v. Shenzhen Lutejiacheng Technology Co., Ltd., No. 23 C 4885 (N.D. Ill. Dec. 2, 2025) (Durkin, J.)

Judge Durkin denied Shenzhen’s motion to amend to add inequitable conduct counterclaims, holding the proposed amendments were futile for failure to plead but-for materiality and specific intent under the Federal Circuit’s tightened Therasense standard.

Shenzhen…

Feit Elec. Co. v. CFL Techs., LLC, No. 13 C 9339, Slip Op. (N.D. Ill. Sep. 7, 2021) (Gettleman, J.).

Judge Coleman denied declaratory judgment plaintiff Feit’s motion to certify an interlocutory appeal regarding the Court’s denial of Feit’s and granting of declaratory judgment plaintiff CFL’s cross-motion for summary judgment regarding Feit’s inequitable conduct…

Feit Elec. Co. v. Beacon Point Capital, LLC, No. 13 C 9339, Slip Op. (N.D. Ill. Sep. 22, 2017) (Coleman, J.).

Judge Coleman, having previously granted declaratory judgment plaintiff Feit summary judgment of the unenforceability of one of defendant Beacon Point’s patents based upon collateral estoppel, denied Feit summary judgment of a subsequent motion seeking…

Feit Elec. Co. v. Beacon Point Capital, LLC, No. 13 C 9339, Slip Op. (N.D. Ill. Sept. 30, 2015) (Coleman, J.).

Judge Coleman granted in part declaratory judgment plaintiff Feit’s motion for summary judgment of collateral estoppel regarding defendant Beacon Capital’s ‘464 and ‘140 patents – both from the Ole Nilssen portfolio.

The Court…

Avnet, Inc. v. Motio, Inc.., No 12 C 2100, Slip Op. (N.D. Ill. Jan. 30, 2015) (Lefkow, J.).

Judge Lefkow granted defendant Motio’s motion to amend its answer and counterclaim adding counterclaims and an affirmative defense regarding inequitable conduct and related antitrust claims.

As an initial matter, while Fed. R. Civ. P. 15 requires…

The Medicine Co. v. Mylan Inc., No. 11 C 1285, Slip Op. (N.D. Ill. Apr. 17, 2014) (St. Eve, J.).

Judge St. Eve granted in part and denied in part plaintiff The Medicine Company’s (“TMC”) Daubert motion seeking to exclude certain opinions of defendants (collectively “Mylan”) in this patent case involving an injectable anticoagulant …

Intellect Wireless, Inc. v. HTC Corp., No. 09 C 2945, Slip Op. (N.D. Ill. Sep. 6, 2012) (Hart, Sen. J.).

Judge Hart entered findings of fact and conclusions of law after a patent bench trial related to cell phones with caller ID, text messaging, pictures or video.  The Court dismissed with prejudice plaintiff Intellect …