*2.1.2 Inventive step/non-obviousness*

The invention shall not be obvious or apparent to a person ordinary skilled in the field relating to the invention (PHOSITA- person having ordinary skill in the art). Basically, the invention shall contain an inventive step over the prior art and such improvement should not be mere improvement or general re-arrangement of components/features of the invention. Illustrations [1] which are considered as obvious are:


*Patents - Understanding the Facts DOI: http://dx.doi.org/10.5772/intechopen.98548*
