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by jordan_curve 1404 days ago
I took an undergraduate course on the economics of science and technology. A large portion of it was devoted to patents.

The problem is generally that public funding accounts for extremely small amounts of the funding that it requires to take a drug to market. I didn't lookup any numbers for this, but I would guess it's very rarely above 1%.

The government could try to claim some share of the profits from drugs derived from research that was partially grant funded, but that seems logistically very difficult and not worth it. The government already gets a share through various taxes anyways.

The purpose of public research is to encourage innovation, which in turn benefits everyone. Private companies usually have no incentive to make any of their research public which can lead to many places repeating the same things.