Is Experimental Testing Necessary to Establish Inherent Obviousness at the PTAB?

May 19, 2015

Summary At the end of last year, in Par Pharmaceuticals, the Federal Circuit affirmed the doctrine of inherent obviousness, but ultimately found that the defendants had not demonstrated that the claim limitation missing in the prior art was “necessarily . . . present, or the natural result of the combination of elements explicitly disclosed by… Read more »