Federal Circuit Affirms Invalidity of OxyContin® Patents[1] : The Tamper-Resistance Patent

On Monday, the Federal Circuit affirmed a decision from the Southern District of New York that four patents listed in the Orange Book for OxyContin® are invalid as anticipated and obvious in Purdue Pharma, L.P. v. Teva Pharmaceuticals USA, Inc.  This post addresses the second half of that decision, which was directed to a patent […]