Federal Circuit Affirms: Infringement Claim Barred By Estoppel

Mealey's (November 25, 2019, 11:37 AM EST) -- WASHINGTON, D.C. — In a Nov. 22 holding, the Federal Circuit U.S. Court of Appeals agreed with a federal judge in Nevada that prosecution history estoppel bars the owner of a patented glucose-monitoring system from asserting infringement by a competitor (Pharma Tech Solutions Inc., et al. v. LifeScan Inc., No. 19-1163, Fed. Cir.)....