InSite Vision Announces Joint Patent Infringement Lawsuit with Merck Against Sandoz

InSite Vision Incorporated (INSV) today announced that it will join Merck MRK, known as MSD outside the United States and Canada, and Pfizer Inc. PFE in filing a patent infringement lawsuit against Sandoz Inc. Sandoz recently filed an Abbreviated New Drug Application with the U.S. Food and Drug Administration seeking to market a generic version of AzaSite before expiration of the patents covering AzaSite and its use. AzaSite is marketed by Inspire Pharmaceuticals in the U.S., now a wholly-owned subsidiary of Merck.