This post was first published on 6th December, 2014.   TSM test is the Teaching, Suggestion and Motivation test. It simply means, when analysing the obviousness of an invention while comparing it with prior art, these are the three questions that have to be asked: Is the prior art quoted instrumental in teaching the reader the method of producing the invention? Does the prior art or any of its contents suggest any method of producing the invention in question? Does the…