Mylan Pharmaceuticals Inc., Mylan Specialty L.P., and Mylan Inc. v. Sanofi-Aventis U.S. LLC, Aventis Pharma S.A., and Sanofi-Aventis Puerto Rico Inc.

IN THE UNITED STATES DISTRICT COURT FOR THE WESTERN DISTRICT OF PENNSYLVANIA MYLAN PHARMS. INC. ET AL, ) ) Plaintiffs, ) ) 2:23-cv-00836 v. ) ) SANOFI-AVENTIS U.S. LLC ET AL, ) ) Defendants. ) ) OPINION Mark R. Hornak, United States District Judge This case involves a dispute between two large players in the pharmaceutical industry over the injectable insulin glargine market. Plaintiffs Mylan Pharmaceuticals Inc., Mylan Specialty L.P., and Mylan Inc. (collectively “Mylan”1 or “Plaintiffs”) brought suit against Sanofi S.A., Sanofi-Aventis U.S. LLC, Aventis Pharma S.A., and Sanofi-Aventis…