237 F.3d 1359 (Fed. Cir. 2000) PURDUE PHARMA L.P., THE PURDUE FREDERICK COMPANY THE P.F. LABORATORIES, INC., and THE PURDUE PHARMA COMPANY, Plaintiffs-Appellees,v.BOEHRINGER INGELHEIM GMBH, ROXANE LABORATORIES, INC., and BOEHRINGER INGELHEIM CORPORATION, Defendants-Appellants. 00-1398 United States Court of Appeals for the Federal Circuit DECIDED: February 1, 2001CORRECTED: FEBRUARY 6, 2001 Appealed from: United States District […]