In recent years, the Supreme Court has decided a number of cases, including Bilski v. Kappos, Mayo Collaborative Servs. v. Prometheus Labs., Ass’n for Molecular Pathology v. Myriad, and Alice Corp. v. CLS Bank Int’l, which involve the limits on patent eligibility under 35 U.S.C. § 101. For example, in Alice, the court stated “[t]he ‘abstract ideas’ category embodies the longstanding rule that an idea of itself is not patentable.” The Supreme Court further recognized that “laws of nature, natural phenomena, and abstract ideas” are not patent-eligible subject matter under 35 U.S.C. §101.
To determine whether claims are patent-eligible the Supreme Court set forth a two-part test in Mayo as further explained in Alice. This test consists of the following steps: