9.1. Treatment of technical and non-technical features 9.2. Combination invention 9.3. Combination of teachings 9.4. Technical disclosure in a prior art document 9.5. Features not contributing to the solution of the problem 9.6. Substitution of materials – analogous use 9.7. Combination of documents 9.8. Chemical inventions 9.9. Equivalents 9.10. Selection inventions 9.11. Problem inventions 9.12. New use of a known measure 9.13. Obvious new use 9.14. Need to improve properties 9.15. Disclaimer 9.16. Optimisation of parameters 9.17. Small improvement in commercially used process 9.18. Analogy process – envisageable product 9.19. Examples of lack of inventive step Source: http://www.epo.org/law-practice/legal-texts/html/caselaw/2019/e/clr_i_d_9.htmDate retrieved: 17 May 202123 references found. Click X to load a reference inside the current page, click on the title to open in a new page.Case Law BookXCLR TOC OF CONTENTSLoading...Case Law Book: I PatentabilityXCLR I A 2.1 IntroductionLoading...XCLR I A 2.6.1 User InterfacesLoading...XCLR I D Inventive stepLoading...XCLR I D 9.1 Treatment of technical and non-technical featuresLoading...XCLR I D 9.2 Combination inventionLoading...XCLR I D 9.3 Combination of teachingsLoading...XCLR I D 9.4 Technical disclosure in a prior art documentLoading...XCLR I D 9.5 Features not contributing to the solution of the problemLoading...XCLR I D 9.6 Substitution of materials – analogous useLoading...XCLR I D 9.7 Combination of documentsLoading...XCLR I D 9.8 Chemical inventionsLoading...XCLR I D 9.9 EquivalentsLoading...XCLR I D 9.10 Selection inventionsLoading...XCLR I D 9.11 Problem inventionsLoading...XCLR I D 9.12 New use of a known measureLoading...XCLR I D 9.13 Obvious new useLoading...XCLR I D 9.14 Need to improve propertiesLoading...XCLR I D 9.15 DisclaimerLoading...XCLR I D 9.16 Optimisation of parametersLoading...XCLR I D 9.17 Small improvement in commercially used processLoading...XCLR I D 9.18 Analogy process – envisageable productLoading...XCLR I D 9.19 Examples of lack of inventive stepLoading...