Hello my name is ***** ***** I will help you with this.
A derivative work is a work that is based on (derived from) another work; for example a painting based on a photograph, a collage, a musical work based on an existing piece or samples, a screenplay based on a book.
You do need permission - Legally only the copyright owner has the right to authorise adaptations and reproductions of their work - this includes the making of a derivative work.
They are exceptions to this:
Permitted use would be within an school, or If copyright has expired (70 years or the work will be in the public domain. Otherwise you will need permission.Can I clarify anything for you about this today please?
There is always a risk of course. But if its changed significantly and you are only using the original idea and its minimal you should be ok
Does that clarify?
I can but you would need to accept the additional service for that.