(March 15, 2017, 10:00 AM EDT) -- WASHINGTON, D.C. — Findings by the Patent Trial and Appeal Board that a computer security patent is obvious never should have been reached because the board erroneously determined that the invention at issue qualifies as a covered business method (CBM), a divided Federal Circuit U.S. Court of Appeals ruled Feb. 21 (Secure Axcess LLC v. PNC Bank National Association, et al., No. 16-1353, Fed. Cir., 2017 U.S. App. LEXIS 2902)....