Pharma is a great example of what happens in commoditization. Patents allow the Pharma Co. to charge a large amount in the beginning of a product, then, when t

Pharma is a great example of what happens in commoditization. Patents allow the Pharma Co. to charge a large amount in the beginning of a product, then, when the patent expires (and the Pharma Co. has finally given up fighting it), the generic manufactures step in and take the price to the bottom.