Evidently this had been on the radar concerning pharma for quite a while, according to ipwatch in this 2015 story
It’s genesis was the AIDS epidemic in South Africa, in which S.A. instituted a policy of patent exhaustion in order to make anti aids medicine more affordable for their population. Pharma fought this tooth and nail, but did not prevail.
How there is not more rx related coverage of this story is truly mystifying.