Even with a trademark you don't 'own' the name, you'll have to go to court for every infringement, which is for almost anybody that does not have a very large business interest in a name an un-affordable option.
Also, given googles actions in the gmail.de case it seems as though they don't really care about trademarks anyway, they'll just keep on pushing.
Also, given googles actions in the gmail.de case it seems as though they don't really care about trademarks anyway, they'll just keep on pushing.