As regards the immunity of the State, the 6 - 1 decision in Jones and Others v the United Kingdom to uphold the immunity of Saudi Arabia was to be expected: in the Jurisdictional Immunities Judgment, the principal judicial organ of the UN clearly stated that that there was no exception to State immunity
for jus cogens violations.
In Samantar v Yousef (699 F. 3rd 763, 2012) the Federal Court of Appeals for the Fourth Circuit concluded that «under international and domestic law, officials from other countries are not entitled to foreign official immunity
for jus cogens violations, even if the acts are performed in an official capacity».
Not exact matches
In my 2009 comment on this case, when it was still pending before the Quebec Superior Court, I was hopeful that the law was rapidly moving towards holding states, and individuals acting under colour of state authority, accountable
for breaches of
jus cogens norms.