{2:50 minutes to read}  In a recent case, Cleveland Clinic Foundation v. True Health Diagnostics LLC, the court affirmed the invalidity of claims related to method for diagnosing atherosclerotic cardiovascular disease with a blood test. The diagnostic patents at issue were U.S. Patent No. 7,223,552, U.S. Patent No. 7,459,286, and U.S. Patent No. 8,349,581.