Allergan V. Sandoz Emphasizes Importance Of Prosecution History In Construing “Wherein” Clauses
By Dr. Jayashree Mitra and Brian Beck Claim Construction of “Wherein” Clause May Be Contingent On Prosecution History The Federal Circuit’s recent decision in Allergan Sales, LLC v. Sandoz, Inc., No. 2018-2207 (Fed. Cir. Aug. 29, 2019) (“Allergan”) illustrates how arguments made during prosecution with regards to the term “wherein” can turn the tide on invalidity arguments at…