This also means that franchises can protect the franchise name even if they lost copyright on individual works. But it is much more limited than copyright and

This also means that franchises can protect the franchise name even if they lost copyright on individual works. But it is much more limited than copyright and it might have a little but I would guess not that much impact on the stuff that GOG does, for example. Most game companies are not using 20 year old graphics to promote their new games.