The Delhi High Court recently granted an interlocutory injunction to Novartis against Natco’s use of Eltrombopag Olamine (EO). The debate at the crux of the dispute is, or rather was, the dichotomy between deference to the validity of a granted patent vis-a-vis the challenge to its validity and consequently disregarding the exclusivity granted to it, in litigation. The court in the present matter seemed to have sided with the former and placed the ‘presumption’ of validity of a patent at...