Ssi Technologies, Llc V. Dongguan Zhengyang Electronic Mechanical Ltd

Case Background

On January 9, 2020, Plaintiff SSI Technologies, LLC filed a patent infringement lawsuit in the United States District Court, Wisconsin Western (Case number: 3:20cv19). This case was assigned to District Judge James D. Peterson and referred to US Magistrate Judge Anita Marie Boor.

Cause

SSI Technologies, LLC (SSI), a Wisconsin-based company, filed a patent infringement lawsuit against KUS Dongguan Zhengyang Electronic Mechanical LTD (KUS), a Chinese company. SSI alleged that KUS manufactured, sold, imported, and used DEF quality sensors that directly infringed U.S. Patent No. 9,535,038. The patent protected technology designed to minimize aeration interference in ultrasonic fluid sensing systems. SSI claimed KUS marketed and displayed the infringing products, including at the Integer E