Ampyra, Patents, And The Perils Of Letting PTAB Get Your Hopes Up

In an unusual twist, district court ruled Acorda patents invalid after company defeated Kyle Bass' inter partes review challenge; Bass has won 10 IPR decisions, lost 9 and has one pending.

court house

Acorda Therapeutics Inc.'s celebration in defeating Kyle Bass' challenge of its Ampyra (dalfampridine) patents in inter partes review (IPR) proceedings was short-lived as a district court found them to be invalid, clearing the way for possible generic entry in July 2018. The different outcomes show the perils of both pathways for patent owners.

In a March 31 opinion, US District Court for the District of Delaware Judge Leonard Stark ruled that the defendants – Apotex Inc., Mylan Pharmaceuticals Inc., Roxane Laboratories Inc. and Teva Pharmaceutical Industries Ltd. – had met the burden of proving that four Acorda patents are invalid as obvious

Read the full article – start your free trial today!

Join thousands of industry professionals who rely on Pink Sheet for daily insights

  • Start your 7-day free trial
  • Explore trusted news, analysis, and insights
  • Access comprehensive global coverage
  • Enjoy instant access – no credit card required

More from Legal & IP

More from Pink Sheet