It does, actually. Secondary sanctions are an impediment to free trade and frequently argued to contravene against international law as a result. You could take it up at the WTO if the US didn't just destroy it a couple years ago.

Secondary sanctions are an impediment to free trade and frequently argued to contravene against international law as a result.

Can you point to any notable instances of such arguments?

(It's easily searchable I'm sure, but I'd appreciate any tips you have).