See 17 U.S.C. § 103 (b) as an example of domestic law: The copyright in a compilation or
derivative work extends only to the material contributed by the author of such work, as distinguished from the preexisting...
(b) The copyright in a compilation or
derivative work extends only to the material contributed by the author of such work, as distinguished from the preexisting material employed in the work, and does not imply any exclusive right in the preexisting material.
Not exact matches
Buoyed by these results, Dana - Farber researchers are
working to create a
derivative of dBET1 that can be used as a drug in human patients — and to
extend the conjugate strategy for the treatment of other cancers and other genetically - caused diseases.
In this post on QuestionCopyright.org, Paley argues that while all creative
work is
derivative, copyright control nonetheless
extends not just to verbatim copies, but to «
derivative works.»
S / he builds upon the project and
extends the functionality (which I'm assuming would counts as
derivative work).