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

 
• By Brenda Sandburg

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.

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