googolullage
This involves trade treaties between the U.S. and the particular European nation involved; or maybe now, any treaties Usono Amerika may have with the European Economic Community. You need to contact a specialist in International Business, Trade and Patents. Sorry, but thanks for two points. That's about what this is, "my two points (cents) worth. :-)

TradeMark Express
Is this for an OHIM filing or for a WIPO filing? An OHIM filing is for the EU while WIPO is a filing for those that have joined the Madrid Protocol. This makes a difference in that the US has joined the Madrid Protocol. Either way, I agree with the other poster -- contact a trademark attorney to discuss these matters. Hope that helps! I wish you much success & happiness in all your ventures!