This is not about things that authors have "released" to the public domain, but about works whose copyright expired in the US, but not in Europe, before the copyright lengths were aligned.
No one is suggesting a general principle whereby one could go about copyrighting random works from the public domain as a matter of course.
This is not about things that authors have "released" to the public domain, but about works whose copyright expired in the US, but not in Europe, before the copyright lengths were aligned.
No one is suggesting a general principle whereby one could go about copyrighting random works from the public domain as a matter of course.