Innosilicon A1 was No. 1 btc Asic in 2014, independently developed by innosilicon, who subsequently developed A2 to A6 various leading performance mining asic in the world.  There has been zero legal issues whatsoever. It's well known Bitmine screwed up and didn't not know to do asic or miners. Innosilicon issued lengthy statement regarding bitmine with full explanation in bitcoin talk before, it's said and done for years!

Folks, it's easy to point finger, but remember, any spread of rumor or false allegation without proof is ill intended, wrong and subject to legal consequences.