A Federal Circuit panel of Judges Newman, Rader, and Prost heard oral arguments Monday in Integra LifeSciences v. Merck KGaA, No. 02-1052.  An mp3 audio file of the 45-minute session is available here (be patient when downloading this; it’s a 40 mB file). The case involves the scope of the "FDA exemption" under 35 U.S.C.…