> That is why so called derivative works are allowed (and even encouraged). Derivative works are not "allowed (and even encouraged)" without a license from the

> That is why so called derivative works are allowed (and even encouraged). Derivative works are not "allowed (and even encouraged)" without a license from the copyright holder. Creating a derivative work is an exclusive right of the copyright holder just like making verbatim copies and requires a license for anyone else, unless an exception to copyright protection (like fair use) applies. https://www.law.cornell.edu/uscode/text/17/106 https://www.law.cornell.edu/uscode/text/17/106