I am not a lawyer, but I am nearly 100% sure that what you are talking about is trademark protection [1] rather than copyright, people get these wrong frequentl

I am not a lawyer, but I am nearly 100% sure that what you are talking about is trademark protection [1] rather than copyright, people get these wrong frequently. As far as I know, you can enforce your copyright completely arbitrarily. [1]: https://en.wikipedia.org/wiki/Trademark#Maintaining_rights https://en.wikipedia.org/wiki/Trademark#Maintaining_rights