Merck, Pfizer Sue Mylan to Block Proposed Copy of AzaSite
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Merck & Co. and Pfizer Inc. sued generic drugmaker Mylan Pharmaceuticals Inc. to block it from selling a copy of AzaSite, an antibiotic eye solution for fighting bacterial conjunctivitis.
Mylan told Pfizer, Merck and InSite Vision Inc. on May 1 that it sought U.S. Food and Drug Administration approval to sell a generic version of AzaSite, according to a lawsuit filed June 14 in federal court in Trenton, New Jersey. The complaint asks a judge to prevent Mylan from entering the market before the patents expire. One ends in 2018, and the other three expire in March 2019, according to the FDA’s website.