Does copyright exist if there is no one to exercise it?
Paul,
In the US, we, like most everyplace else in the world these days, have "automatic copyright", that is, copyright exists for the copyright owner from the moment of creation. Enforcement, however is locomotive of another guage. In the US, to be able to pursue infringements in the legal system (beyond hiring a soliciter to write a "cease and desist" letter), the copyright must be registered. But there are two other facts that complicate the issue, too. Only the owner of the copyright, or his agent, can initiate an enforcement action. Even in those cases where criminal infringement is held to have occurred, the action was brought not by the State (or Crown, in your case), but was initiated by the copyright holder. So, in the US, this is currently the situation: if the holder of a copyright does not properly transfer that copyright to heirs, the copyright stays with the original copyright holder. After that copyright holder dies or otherwise ceases to exist, in the absence of proof of registration, and proof of transfer of copyright, there is no one to bring an action. This is common enough in the US that there is a name for it: an "orphan copyright". This is a common enough situation that there are WIKI pages discussing the matter <
http://en.wikipedia.org/wiki/Orphan_works>.
Frankly, I think the implication of orphan copyrights for the Trainz community is minor. While I understand bringing forward beloved older content, the fact of the matter is, it's still old content. I suspect that a skilled creator could, for just a bit more time and investment than it takes to track down a living departed member for permission, create a new mesh up to newer standards.
ns