There are a number of lawsuits like this one, alleging online defamation and invasion of privacy, making their way through the court system.

FORBES: The frustrating quest for protection from anonymous Web surfers

There's lots more - about defamation online and controlling costs, for example.

BBC: Cheering the changes

They also seem to be claiming libel (that might work under UK laws but clearly not under US given the differences) plus defamation and online impersonation.

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Cahuzac, a former plastic surgeon who specialized in hair plugs, has countered with a defamation complaint against the online site Mediapart.

NPR: Offshore Account Dispute Snarls Top French Taxman

The need for a more ethical conduct of online media and the balance between defamation and ethics were other key issues raised at the roundtable.

UNESCO: Communication and Information

Earlier this month the German Federal Court of Justice ruled the New York Times could be sued in Germany for defamation arising from the online version of an article that appeared in the newspaper.

FORBES: Libel Tourism Spreads to Germany