Case not exceptional where objectionable conduct was previously considered in granting sanctions motion

Khan v. Hemosphere is a nonprecendential case decided on August 13, 2020, on appeal from the Northern District of Illinois. Pro se plaintiffs Khans “alleged that the defendant corporations, hospitals, and physicians directly and indirectly infringed” their patent. The Khans sued “three hundred defendants.” The district court dismissed without prejudice …

Withheld offer for sale renders patents unenforceable for inequitable conduct

GS CleanTech v. Adkins Energy was decided on March 2, 2020 on appeal from the Northern District of Illinois. The Patents-in-Suit are “directed to the recovery of oil from a dry mill ethanol plant’s byproduct, called thin stillage.” The district court determined on summary judgment that defendant Adkins did not …

A patent litigation remedies profile of the Northern District of Illinois

This post will organize various patent litigation decisions from the United States District Court for the Northern District of Illinois (N.D. Ill.). The focus will be on patent infringement remedies, particularly damages and injunctions.   Local Patent Rules   Patent Jury Verdicts: Below are the patent jury verdicts from the Northern …

Injunction, enhanced damages, and attorney fees vacated after finding one patent invalid under Section 101

Chamberlain Group v. Techtronic Industries was decided on August 21, 2019 on appeal from the Northern District of Illinois. After the jury found plaintiff Chamberlain’s patents infringed and not invalid, the district court the district court granted an injunction, enhanced damages and attorney fees. The district court denied defendant Techtronic’s motion for JMOL …

Likely success not shown where the district court relied on erroneous claim construction

Chamberlain v. Techtronic is a nonprecedential case decided on January 25, 2017 on appeal from the Northern District of Illinois. There, the district court granted plaintiff Chamberlain a preliminary injunction, finding that Chamberlain had shown a substantial likelihood of success on the merits of its infringement claim. Techtronic appealed. The Federal Circuit vacated the grant …

Letter informing of patent ownership without charging infringement does not provide actual notice under section 287

Amsted v. Buckeye Steel Castings was decided on April 18, 1994 on appeal from the Northern District of Illinois. The case involved many issues but this post will only focus on actual notice under § 287(a). Plaintiff Amsted brought suit against defendant Buckeye on February 25, 1991. In 1986, Amsted sent Buckeye and other …