Recently several cases have been filed that challenge the USPTO’s Patent Term Adjustment (PTA) calculations in patents where an RCE has been filed. For example, both Exelixis, Inc. v. Kappos (Civ. Action No. 1:12-cv-00574-LMB-TCB) (E.D. Va. May 25, 2012) and Human Genome Sciences, Inc. v. Kappos (Civil Action No. 1:12-cv-00607-GBL-TCB) (E.D. Va. June 1, 2012) raise … Continue reading this entry