This post was first published on 22nd March, 2012. We are all aware that what is already  existing in the public domain falls outside the scope of patentability. This is because it is already known and hence the aspect of novelty, which is the primary requirement to qualify for a patent is absent. Moreover, what is already there in the public domain cannot be taken back, because patents grant exclusivity to the inventor. Patenting of traditional knowledge is nothing new, and…