Natco and BPI believe that its Paragraph IV ANDA was filed on the First-to-File date and expects to be the only generic that is entitled to the 180-day exclusivity period, Natco said in a filing.
Novartis AG sells these tablets under the Zortress brand name in the US market. The drug is used to prevent organ rejection after a kidney or liver transplant. Zortress generated sales of $43.5 mn for the 12-month period ending July 2014.