Supreme Court Reverses Longstanding Federal Circuit Precedent, Orders Claim Construction Deference

The Federal Circuit has long reviewed all claim construction orders “de novo” – without any deference to factual issues underlying the district court’s decision.  Today, the Supreme Court overturned that longstanding precedent, ruling that findings of fact made as part of a claim construction order should be reviewed for clear error. Teva Pharmaceuticals USA Inc., et…

Mylan Loses Another Jurisdictional Challenge in Delaware: Will the Federal Circuit Weigh in?

In November, we wrote about Mylan’s attempt to dismiss an infringement action for lack of personal jurisdiction.  U.S. District of Delaware Judge Gregory M. Sleet denied that motion, finding specific jurisdiction because Mylan sent its paragraph IV certification to the NDA holder who was located in Delaware.  AstraZeneca AB v. Mylan Pharms., Inc., 2014 U.S.…