It wasn't a dot-com, and he let it expire after a year. He (also) goes for $company-criticism.ccTLD etc. whatever he can get his hands on that he thinks he can rank for your company name. That's why I said similar case. The legally-not-slander stopped because we made him work to keep it on the first page on SERPs.

I just checked his blog/authority site and he does exactly the same thing to others now. Apparently he won a court case where he did this to a government agency and his current target seems to be a cleaning company that took his parking spot once.