On one hand, this is a momentous day for private space flight. On the other, we're closer to Moon lobbyists than ever.
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(And for those inclined to take that as their cue to strike the fashionable misanthropic pose where they claim that would be a good thing, remember: The moon is a dead, sterile rock. The Moon has no copyright law because there is no creative activity of any kind there taking place that could be copyrighted. There is nothing there to abuse, no "environment" to foul, no natives to exploit, nothing, not even bacteria. The alternative to humans going there is death, forever. And not "human" death, either, but total death. No life. Deader than the worst possible nuclear holocaust could ever make Earth. If that is truly your position, fine, but I hope I can at least remove the fashionableness from your pose.)
I'm glad they didn't copyright the footprints.