In relation to the requirement of inventive step( also referred to as 1 ),the question as to whether or not the invention "would have been obvious to a person having 2 in the art "is perhaps the most difficult of the standards to determine in the examination as 3 . The inclusion of a requirement like this in patent legislation is based on the premise that protection should not be given to what is already known as part of 4 , or to anything that the person with ordinary skill could deduce as 5 thereof. The expression “ordinary skill” is intended to 6 the “best” expert that can be found. It is intended that the person 7 one having the average level of skill reached in the field in the country 8.