guidance
As you probably know, the USPTO maintains a “subject matter [patent-]eligibility” web page with a plethora of information. Most recently, on April 26, 2017, the Office posted a “quick reference sheet” illustrating decisions bearing on patent-eligibility analysis under 35 U.S.C. § 101 and the Mayo/Alice test. Other documents, if you haven’t already taken a look, include guidance for examiners, memoranda...