The Federal Circuit has long struggled to clarify the standard for determining whether a computer-implemented invention is patent-ineligible because it falls under the "abstract idea" exception to patentability. In CLS Bank Int'l v. Alice Corp. Pty., Ltd., an en banc Federal Circuit could not reach a consensus, resulting in six opinions by the 10 sitting judges.
Continued Uncertainty Over Patentable Subject Matter
June 25, 2013