This article looks at why pharmaceutical companies do not practice price differentiation in the developing markets and identifies as a reason, apart from the issues of parallel import and reference pricing, the problem of the bargaining rich — the free rider who will not offer the full price...

Patents are unilateral declarations by an inventor which when approved by the patent office stand unchallenged for the remainder of its life. The only way by which its credibility or truth can be questioned, is by putting forward a challenge before a court of law. This is a hugely expensive and...