Yes, there are. Specifically, there's one in India under a similar jurisdictional set-up to ours in terms of separation of powers, the judiciary and the legislative, and so on. There's a case against India that has done exactly that: a Supreme Court decision in favour of the government and an arbitration decision that reviewed, overrode, and essentially reversed that Supreme Court decision.
On December 5th, 2013. See this statement in context.