A long time ago, I got a nastygram from Google, saying one of my domain names infringed on their trademark.

Fortunately, I didn't need the domain, since I didn't want this headache or expense. (The domain name was a pun on "Orkut", intended for a site critiquing the emerging ridiculous influencer behavior, and I'd guess it was protected speech, but I never got around to making the site.)

But the experience didn't seem very Googley to me, so I initiated a domain name transfer to the Stanford email address of one of their founders, then told the nastygram people, so maybe they could have a talk about "Don't Be Evil".