Without the guarantee of a patented marked up drug, would drug companies waste the same amount of money that they currently do on R&D? I'm of the opinion that we would see a major slow down in drug innovation without patents. R&D is very wasteful and expensive. Patents prevent competition for a short period of time to help the business recoup losses from failed experiments and to deliver profits which serve as an inc…
+ Pile up mountains of red tape through the FDA
+ Provide patent protections for those with enough money to wade through the red tape
+ Give R&D grants to companies with taxpayer money to take up the slack in their budget
So since R&D is so expensive, only large companies can afford it, which is just fine for them: it keeps out competitors.