Bitcoin is invented by Satoshi Nakamoto but it is common knowledge that his identity is not known.If there arise any dispute related to bitcoin or its ownership,how would it be settled by court of law or in other words who is the legal owner of bitcoin?
There is no need to confuse the concept of ownership of the invention of bitcoin and ownership of a certain number of bitcoins.
Nobody has a patent for the invention of Bitcoin, so we can assume that no one has a legal owner for this invention.
Ownership of a specific number of bitcoins can be in any natural or legal person. If the states legalize cryptocurrency, everyone can prove in court the legality of obtaining bitcoins, and therefore the right of ownership to them, which includes three rights - ownership, use and disposal.