At least here in Portugal, while we do have Author's Rights (which include moral rights) instead of copyright, they still expire to Public Domain, and I believe the same is true for most EU nations: https://en.wikipedia.org/wiki/List_of_countries'_copyright_l...
Authors' Rights expire, but (at least in Germany and Austria) you cannot voluntarily put a work into public domain before and give up your rights on it, like you can under the US concept of Public Domain.