There is absolutely a relationship between intellectual property law and trade law. The restriction in drug import exists to make the patent effective. Its the same as Costco vs Omega. Import rights are intrinsically intertwined with ownership and sale rights.
> There is absolutely a relationship between intellectual property law and trade law. The restriction in drug import exists to make the patent effective.
No, this is a common misconception. If FooCorp manufactures a drug in the US and exports it to the US, there is no inherent patent issue with a US entity purchasing it from the Canadian middleman.
https://en.wikipedia.org/wiki/Omega_S.A._v._Costco_Wholesale....