For the people saying Craig Wright is not Satoshi, who cares. You could argue about it for all eternity, even if he signed the genesis block, you could then say he stole the keys from the real Satoshi. Either way I hope the real Satoshi is never revealed, who would like a tax liability of 1 million BTC + BCH + other forks, as well as potentially having all crimes committed using BTC pinned on them.
The court filing is very real, and was submitted by Ira Kleiman, brother of Dave Kleiman on behalf of his estate. On the line are not only hundreds of thousands of Bitcoins, but also the Intellectual Property and patents. Whenever money, wealth and power are involved things can get ugly.
https://www.coindesk.com/satoshi-craig-wright-sued-10-billion/
https://www.scribd.com/document/372465601/Complaint#from_embed
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PS whoever Satoshi is they would have studied many fields, from Mathematics, Computer Science, Business, Law, Economics and more....