Copy rights are different from trademarks or patent rights. Related rights to copy rights are e.g. moral rights in France. CC0 and other public domain deeds (

Copy rights are different from trademarks or patent rights. Related rights to copy rights are e.g. moral rights in France. CC0 and other public domain deeds (e.g. Unlicense) are about copy rights alone. If you mean to also disclaim trademarks or patent rights, you will need additional waivers for each of those, as they're different aspects of rights and law.