The PTAB instituted an IPR on claims of Mayne Pharma International Pty Ltd.'s ("Mayne") U.S. Patent No. 6,881,745 B2 covering formulations of azole antifungals in IPR2016-01186.  In response to Merck Sharp & Dohme Corp.'s ("Merck") Petition, the PTAB instituted review of some claims on anticipation grounds, and of all challenged claims on the grounds of obviousness.

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