To be fair, Canada plays hardball with foreign medical IP. The "evil tax" may be passed on to foreigners instead. The US could be unique in that compulsory lic

To be fair, Canada plays hardball with foreign medical IP. The "evil tax" may be passed on to foreigners instead. The US could be unique in that compulsory licensing laws and aggressive patent invalidation don't work--there aren't many desirable foreign patents to invalidate or inventions to compel licensure.