Most patent applications almost always face non-obvious/inventive step rejections during the examination stage. The rejections based on non-obviousness/inventive step are increasing substantially each year. In this paper, we propose a mathematical approach called the FSTP Test for determining a non-obviousness indication. The FSTP Test allows an inventor to identify and rework certain aspects of his invention before filing a patent application, which might have been considered as obvious at a later stage.
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