"BPEs (benevolent patent extension) would make discoveries of new treatments for obscure diseases and improvements for orphan crops valuable not only to the people who might access them and the companies that might develop them but also to a far broader world of firms and investors, who might pay huge sums to inventors for the right to extend their own nonessential patents."

A very interesting article on how a new patent law could incentivize R&D in poor countries and Save Millions of Lives.