Bausch Health Ireland and Salix Pharmaceuticals filed a suit in a New Jersey federal court over MSN Pharmaceuticals' alleged efforts to obtain U.S. Food and Drug Administration approval for a generic version of Trulance, a medication used to treat irritable bowel syndrome.

Takeaway: Litigation over new drug applications, often referred to as NDAs, remains an active area for law firms. This patent infringement lawsuit was filed by attorneys with Gibbons and Finnegan, Henderson, Fabrow, Garrett & Dunner on behalf of two pharmaceutical giants against a rival drugmaker over an FDA application to make a generic version of an IBS medication.