We're not lawyers so we don't give copyright advice. This page is primarily a place to provide Leanpub authors with links to helpful resources.
If you come across any other resources you think are credible and would be helpful to Leanpub authors, please send links to hello@leanpub.com.
For U.S. copyright:
https://www.copyright.gov/help/faq/faq-general.html#what
https://americaneditor.wordpress.com/2018/11/19/literary-theft-fact-or-fiction/