a) Earlier case law of the boards of appeal: the "contribution approach" b) Abandonment of the "contribution approach" c) Some consequences of abandoning the contribution approach Source: http://www.epo.org/law-practice/legal-texts/html/caselaw/2019/e/clr_i_a_1_4_1.htmDate retrieved: 17 May 20215 references found. Click X to load a reference inside the current page, click on the title to open in a new page.Case Law Book: I PatentabilityXCLR I A Patentable inventionsLoading...XCLR I A 1.4 Verification of the presence of an invention under Article 52(1) EPCLoading...XCLR I A 1.4.1.A Earlier case law of the boards of appeal: the "contribution approach"Loading...XCLR I A 1.4.1.B Abandonment of the "contribution approach"Loading...XCLR I A 1.4.1.C Some consequences of abandoning the contribution approachLoading...