[JURIST] The US Supreme Court [official website] heard oral arguments [day call, PDF] Wednesday in two cases. In Mayo Collaborative Services v. Prometheus Laboratories, Inc. [transcript, PDF; JURIST report], the court heard arguments on the ability to patent under 35 USC § 101 [text] the body’s biological reaction to different dosages of a certain type of drug. Prometheus Labs [corporate website] patented the tests doctors use for determining the appropriate dosage of drugs for treating Crohn’s disease and other autoimmune…