9.2.1 Existence of a combination invention 9.2.2 Partial problems Source: http://www.epo.org/law-practice/legal-texts/html/caselaw/2019/e/clr_i_d_9_2.htmDate retrieved: 17 May 20214 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 D Inventive stepLoading...XCLR I D 9 Assessment of inventive stepLoading...XCLR I D 9.2.1 Existence of a combination inventionLoading...XCLR I D 9.2.2 Partial problemsLoading...