SAN DIEGO--(BUSINESS WIRE)--KFx announces new patent infringement suit against Arthrex. On July 31, 2015, after a federal appeals court confirmed a verdict that Arthrex infringed certain patents owned by KFx Medical, LLC, and compelled Arthrex to pay in excess of $35 million in damages, Arthrex filed a lawsuit in a New Jersey state court against KFx and Dr. Joseph Tauro, alleging misappropriation of trade secrets, unfair competition, breach of contract and conspiracy relating to the same patent