*NIH Scientist Who Developed Key Vaccine Technology Says Patent Gives US Leverage Over Big Pharma.*

The question is whether the US wants to use this leverage. Around 1980, the US changed its policy on technology developed with government funds. Before that, it prioritized public access to that technology. Then, with the Bayh-Dole bill, it it switched to the trickle-down goal of giving companies "more incentive".