On February 13, 2019, Merck filed 12 lawsuits in the Wilmington, Delaware Federal Court claiming patent infringement on Merck’s Januvia franchise. Defendants include Teva, Sandoz, Mylan, Watson, Zydus, Sun, Wockhardt, Macleods, Apotex, Torrent, Anchen, and Alvogen Pine Brook. Below, FENIX provides thoughts on the lawsuits and potential insight into when generic Januvia could enter the US market.