Elsewhere
Practically all patent legislations disallow the patentability of something obvious. Hence, it is no surprise that the laws of other countries have similar formulations.
For example, the German Patent Act (Patentgesetz) requires that the invention "cannot be derived by a Fachmann from the state of the art in an obvious manner".
The word Fachmann (an ordinary German word meaning somebody who has professional knowledge in a field) is made specific by ständiger Rechtsprechung (usual court opinion) as a "specialist with average knowledge and talent whom one would ordinarily ask to seek a solution for the (objective) problem the invention deals with"
Read more about this topic: Person Having Ordinary Skill In The Art