(March 16, 2017, 1:54 PM EDT) -- WASHINGTON, D.C. — Noting that the U.S. Supreme has found the “abstract idea” exception to 35 U.S. Code Section 101 to be a doctrine of restraint, a patent owner asks the court in a Feb. 27 petition to address whether patent claims directed to concrete and tangible inventions, “which are neither directed to a mathematical algorithm nor a business method,” are eligible subject matter under step one of the framework in Mayo Collaborative Services v. Prometheus Laboratories Inc., 132 S. Ct. 1289 (2012), and Alice Corp. v. CLS Bank International, 134 S. Ct. 2347 (2014) (Affinity Labs of Texas LLC v. DIRECTTV LLC, et al., No. 16-1046, U.S. Sup.)....