May 5 (Reuters) - Mylan NV MYL.O :
* Confirms first-to-file patent challenge relating to Minivelle
* Says expects to be eligible for 180 days of marketing exclusivity
* Says co, units sued by Noven Pharmaceuticals and Hisamitsu Pharmaceutical Co
in connection with filing of ANDA with FDA
* Says plaintiffs filed suit against the Mylan Companies in the United States
district court in the district of Delaware
* Source text for Eikon ID:nPn6h1rCM
* Further company coverage MYL.O
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