In Eli Lilly and Co. v. Hospira, Inc., [2018-2126, 2018-2127] (August 9, 2019), the Federal Circuit reversed the district court’s finding of literal infringement in the Hospira Decision as clearly erroneous in light of the court’s claim construction of “administration … Continue reading “Merely Tangential” Exception to Prosecution History Estoppel Saved “Inartful” Amendment from Barring Infringement by Equivalents