I think those of us in the EU should push for a separate suit because there might be money in the polish account. It will also be easier.
I think the foundation are also to blame if they continued to accredit the exchange as a gold member when they were aware of these problems.
+1.
I Agree that it may worth investigating whether EU funds can be claimed directly from the polish bank.
Anybody in the forum with experience in related legal issues that can help?
There are good options for class-action suits in the Netherlands. Dutch courts are often used for pursuing class actions against firms (since they assume jurisdiction quite easily), and its judgments can be executed EU-wide.
Any person that has lost money/bc because of MT.Gox's mistakes has a civil claim that it can transfer to an institution or fund, which then in turn can initiate action on behalf of all claimants.