We know how much Ashcroft and the neo-con thugs are trying to make the American Constitution's First Amendment irrelevant, but here's a case settled by the US Court of Appeals in favour of an individual whose surname happened to be the same as that of a big multinational.
Nissan Motors sued Mr Uzi Nissan for setting up a website registered as nissan.com. After winning their case, the decision was overturned in Mr Nissan's favour at appeal.
Details on the Public Citizen website: http://www.citizen.org/pressroom/release.cfm?ID=1767.
See also www.ncchelp.org.