DepoMed (DEPO) files a lawsuit againt Impax Laboratories (IPXL) and Par Pharmaceutical (PRX) for...

|By:, SA News Editor

DepoMed (DEPO) files a lawsuit againt Impax Laboratories (IPXL) and Par Pharmaceutical (PRX) for patent infringement covering ANDAs filed by the firms to market generic versions of Gralise. The company fired up a previous lawsuit in March aimed at protecting its exclusivity for the drug.