Re: Did Satoshi steal other people's ideas for Bitcoin and one reason why he left?
⭐ Merited by vapourminer (1)
I have had many silent thoughts on this matter and I contemplated the outcome of this experiment, if Satoshi decided to reveal his true identity. How many people would actually take him to court for intellectual copyright infringement? Companies like PayPal revolutionized person-to-person payments online and they might even find a reason to sue him. 
You can't copyright an idea (at least, in the U.S.).
" Intellectual property is protected by laws specific to the expression of an idea. Copyright is the law specific to the expression of ideas in visual or audio form. Unlike a trademark that indicates a specific item or design is protected, copyright covers a different expression of thought. Source : https://info.vethanlaw.com/blog/2015/10/what-is-the-difference-between-copyright-and-intellectual-property
Intellectual property rights are the rights given to persons over the creations of their minds. They usually give the creator an exclusive right over the use of his/her creation for a certain period of time. Source : https://www.wto.org/english/tratop_e/trips_e/intel1_e.htm
In the U.S., there are several types of intellectual property, which include patents, trade marks, copyrights, and trade secrets. Patents allow their owner to determine who can make, use, or sell an invention. ... An intellectual property attorney can help you identify, protect, and enforce your IP rights in the U.S. Source : https://www.uspto.gov/sites/default/files/documents/UK-SME-IP-Toolkit_FINAL.pdf