I'm pretty sure the US has the same thing, basically. You can't copyright facts, but you can copyright presentation. So someone can't copy your map directly a

I'm pretty sure the US has the same thing, basically. You can't copyright facts, but you can copyright presentation. So someone can't copy your map directly and sell it, because there's an artistic component to it. But they can make their own map with the same data, with a different style to it, and sell that.