(September 16, 2015, 4:13 PM EDT) -- WASHINGTON, D.C. — A medical device company asks the U.S. Supreme Court in a Sept. 4 petition to answer in a patent infringement lawsuit whether the “reason to combine” inquiry is a question of fact, subject to an appeal review on appeal, or a legal question for the court, and reviewed de novo (Arthrex, Inc. v. KFx Medical Corp., No. 15-291, U.S. Sup.)....