4.1 Clarity 4.2 Interpretation 4.3 Inconsistencies 4.4 General statements, "spirit" of invention 4.5 Essential features 4.6 Relative terms 4.7 Terms like "about", "approximately" and "substantially" 4.8 Trademarks 4.9 Optional features 4.10 Result to be achieved 4.11 Parameters 4.12 Product-by-process claim 4.13 Interpretation of expressions stating a purpose 4.14 Definition by reference to use or another entity 4.15 The expression "in" 4.16 Use claims 4.17 References to the description or drawings 4.18 Reference signs 4.19 Negative limitations (e.g. disclaimers) 4.20 "Comprising" vs. "consisting" 4.21 Functional definition of a pathological condition 4.22 Broad claims 4.23 Order of claims Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/f_iv_4.htmDate retrieved: 17 May 202126 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 - F (not assigned)XGL-PCT F General Loading...XGL-PCT F III 11 Sufficiency of disclosure and clarity Loading...XGL-PCT F IV – Claims ( Art. 6 and formal requirements) Loading...XGL-PCT F IV 4.1 Clarity Loading...XGL-PCT F IV 4.2 Interpretation Loading...XGL-PCT F IV 4.3 Inconsistencies Loading...XGL-PCT F IV 4.4 General statements, "spirit" of invention Loading...XGL-PCT F IV 4.5 Essential features Loading...XGL-PCT F IV 4.6 Relative terms Loading...XGL-PCT F IV 4.7 Terms like "about", "approximately" and "substantially" Loading...XGL-PCT F IV 4.8 Trademarks Loading...XGL-PCT F IV 4.9 Optional features Loading...XGL-PCT F IV 4.10 Result to be achieved Loading...XGL-PCT F IV 4.11 Parameters Loading...XGL-PCT F IV 4.12 Product-by-process claim Loading...XGL-PCT F IV 4.13 Interpretation of expressions stating a purpose Loading...XGL-PCT F IV 4.14 Definition by reference to use or another entity Loading...XGL-PCT F IV 4.15 The expression "in" Loading...XGL-PCT F IV 4.16 Use claims Loading...XGL-PCT F IV 4.17 References to the description or drawings Loading...XGL-PCT F IV 4.18 Reference signs Loading...XGL-PCT F IV 4.19 Negative limitations (e.g. disclaimers) Loading...XGL-PCT F IV 4.20 "Comprising" vs. "consisting" Loading...XGL-PCT F IV 4.21 Functional definition of a pathological condition Loading...XGL-PCT F IV 4.22 Broad claims Loading...XGL-PCT F IV 4.23 Order of claims Loading...