SCIELE PHARMA INC. (now known as Shionogi Pharma Inc.), Plaintiff–Appellee, Andrx Corporation, Andrx Pharmaceuticals Inc. (doing Business as Watson Laboratories Inc.–Florida), Andrx Pharmaceuticals L.L.C., Andrx Laboratories (NJ) Inc., Andrx EU Ltd., and Andrx LABS L.L.C., Plaintiffs, v. LUPIN LTD. and Lupin Pharmaceuticals Inc., Defendants–Appellants, Mylan Inc. and Mylan Pharmaceuticals Inc., Defendants.