This week’s decision in DET v. GOOGLE focuses on patent eligibility of a muti-sheet spreadsheet displayed with notebook tabs.  The case is reminiscent of a 2014 Patently-O post by Howard Skaist written in the still roiling wake of Alice and Mayo.  In his post, Skaist considered ways that the inventor of VisiCalc (Dan Bricklin) might have claimed … Continue reading Patenting a Spreadsheet