→ skos:prefLabel → "Level of Invention"@en, "Уровень изобретательских решений"@ru
→ od:SouchkovComments → "Currently 5 levels of inventions are known: 1) "Non-inventive invention": very simple invention that does not produce any significant impact on the evolution of a technical system, 2) Invention that emerges from resolving a technical contradiction by a method available in the narrow engineering domain where the invention belongs to, 3) Invention that emerges from resolving a complex technical contradiction by a method known in the engineering domain given, 4) Invention that emerges from resolving a technical contradiction by a method available in a different engineering domain; 5) Pioneering invention that deals with complex inventive situations and which launches a radically new technology area."@en
→ od:SouchkovDefinition → "A dimensionless qualitative measure which evaluates an inventive solution according to an estimated number of trials necessary to produce such the solution and the degree of its contribution to the general evolution of technology and engineering. "@en