Intellectual Property Law Commons^™

Can A Court Change The Law By Saying Nothing?, Paul Gugliuzza, Mark A. Lemley

Faculty Scholarship

Can an appellate court alter substantive law without writing an opinion? We attempt to answer that question by conducting a novel empirical investigation into how the Federal Circuit has implemented the Supreme Court’s 2014 ruling in Alice v. CLS Bank, the most recent in a series of Supreme Court decisions strengthening patent law’s patentable subject matter requirement. Our dataset includes each one of the Federal Circuit’s more than 100 decisions on patentable subject matter in the three years since Alice, including affirmances issued without an opinion under Federal Circuit Rule 36.

Including those no-opinion affirmances, the Federal Circuit has found …