a) Claim cannot be left to encompass surgical step b) Disclaimer c) Methods only concerning the operation of a device Source: http://www.epo.org/law-practice/legal-texts/html/caselaw/2019/e/clr_i_b_4_3_5.htmDate retrieved: 17 May 20216 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 B Exceptions to patentabilityLoading...XCLR I B 4.3 Surgical methodsLoading...XCLR I B 4.3.5.A Claim cannot be left to encompass surgical stepLoading...XCLR I B 4.3.5.B DisclaimerLoading...XCLR I B 4.3.5.C Methods only concerning the operation of a deviceLoading...XCLR I B 4.4.3 Avoiding the non‑patentability under Article 53(c) EPC of methods with therapeutic effectLoading...