AI systems write, paint, compose music and so on. Does this mean thattheir novels, paintings and songs are (or should be) protected bycopyright? If so, who would be the author and copyright holder? New AI tools as Chat GPT-4, Midjourney or DALL-E 2 challenge copyrightregulations. This book provides 25 key factors for analyzing thecopyright of artificial intelligence works, distinguishing betweenthose works created autonomously by intelligent machines and those for which a relevant, verified human contribution has formed part of thecreative process.