![](http://parkinsons.co.za/wp-content/uploads/2024/07/impax-sues-to-stop-reddys-from-selling-generic-parkinsons-drug.jpg)
Dr. Reddy’s, an Indian drugmaker, submitted an abbreviated new drug application to the US Food and Drug Administration to sell a similar drug as Rytary , according to a complaint filed Thursday in the US District Court for the District of New Jersey. California-based Impaxsaid manufacturing and importing the generic would infringe US Patent Nos. 8,557,283; 9,089,608; 9,463,246; 9,533,046 and 9,901,640.
Impax received approval to sell Rytary in January 2015. …