The Inventive Step Requirement in Iranian Patent System

The inventive step requirement beside the two requirements of The novelty and industrial application, is one of the basic requirement of patents. This requirement means that, an invention with regard to the prior art does not obvious for the person who has ordinary skill in the art. Challenges contrary to this requirement, create the motive in us to essay the present article .such a challenge is seen both legislatively and executively. For this reason, in the present article, at first, present the concept and necessity, and then we would study the history of it in the Iranian law, for At the end, we would study and analyze the legal place and the subject of assessment of the inventive step requirement in classic and modern (nucleic acid molecules) inventions, introduce the existent defects and offer the legislative and executive appropriate proposals.