As the is often said on here a chicken breed is not a breed until the APA says it's a breed.well, they are a breed, but a newly imported one, which is why they are not APA approved.
this is from a UK site, which is where they come from
"The Cream Legbar is quite an old, now very rare in its true form, pure breed."
saying they are not a breed makes them sound like a mutt, like an olive egger...which is the green egg laying mixes of ameraucana x marans, but cream legbars are in fact a pure breed
So in theory a Legbar is just an importerd mutt chicken.