Fine here's the best proof you're going to get.
Compare Layton
To Metroid...
Even Kirby which was developed by HAL is still copyright Nintendo here:
Look
Nintendo will always say when they own something. And they don't own Layton.
Compare Layton
To Metroid...
Even Kirby which was developed by HAL is still copyright Nintendo here:
Look
Nintendo will always say when they own something. And they don't own Layton.