To be perfectly honest, I have looked into a few things where the owner/creator claimed that their name/product/service was copyrighted and it wasn't. A very simple search of the database will tell you one way or the other. I think they just assume that the threat enough will scare people away from bothering.
Originally Posted by Birdiechic
I do not think it does work. That is probably the reason why she says it so many times.