Copyright laws are by country. Some countries have treaties to respect each other’s copyrights and some don’t.
So, it is entirely possible to have something considered “public domain” in the USA still be protected in the UK.
…But given the relative economic weight of the two countries, simply banning the export of your locally-infringing Peter Pan/Steamboat Willie slash fic novel would be pretty easy.
Copyright laws are by country. Some countries have treaties to respect each other’s copyrights and some don’t.
So, it is entirely possible to have something considered “public domain” in the USA still be protected in the UK.
…But given the relative economic weight of the two countries, simply banning the export of your locally-infringing Peter Pan/Steamboat Willie slash fic novel would be pretty easy.