In two separate precedential opinions issued Friday, October 28, the U.S. Court of Appeals for the Federal Circuit (CAFC) vacated two separate preliminary injunction orders granted by the U.S. District Court for the Northern District of Illinois against hoverboard products alleged to infringe four design patents due to “substantive defects” in the court’s reasoning for granting the injunctions. Judges Dyk, Taranto and Stoll heard both appeals.

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