10.1 Predictable disadvantage; non-functional modification; arbitrary choice 10.2 Unexpected technical effect; bonus effect 10.3 Long felt need; commercial success Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/g_vii_10.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.EPO PCT GL - G PatentabilityXGL-PCT G Loading...XGL-PCT G VII – Inventive step Loading...XGL-PCT G VII 10.1 Predictable disadvantage; non-functional modification; arbitrary choice Loading...XGL-PCT G VII 10.2 Unexpected technical effect; bonus effect Loading...XGL-PCT G VII 10.3 Long felt need; commercial success Loading...