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Skipped a very interesting reading.
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As no court cases on the matter are in the news, I would expect that Russia hasn't tried their luck in finding how far their reputation has been dragged by Putin, but it is not likely that any court direction coming out of a criminal state such as Russia will be accepted in Ireland under the treaty. (I certainly hope that is an overly optimistic expectation of jurisprudence)
Think: What, when China has to make a choice between a Russian court decision (granting Russian state-ownership to impounded aircrafts) and (for now non-existing public) Western court ruling around the same ownership ? TBH, I think, they just raise their hands to the sky and tell all parties to first resolve their court-issues and for now, China will not take action. At least, that's my guess. China's att covered against sanctions and Russia happy, they still can fly to China.