Addressing the issue of Article III standing and obviousness in an appeal of an inter partes review (IPR) decision, the US Court of Appeals for the Federal Circuit found that the petitioner had standing to appeal because past activities created a controversy between the parties. Grit Energy Solutions, LLC v. Oren Techs., LLC, Case No. 19-1063 (Fed. Cir. Apr. 30, 2020) (Prost, CJ) (Newman, J., concurring in part, dissenting in part).

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