[uncountable, countable] copyright (in/on something) if a person or an organization holds the copyright on a piece of writing, music, etc., they are the only people who have the legal right to publish, broadcast, perform it, etc., and other people must ask their permission to use it or any part of it Who owns the copyright on this song? Copyright expires seventy years after the death of the author. They were sued for breach/infringement of copyright. See related entries: Legal processesExtra examples Copyright protects your work from being commercially exploited by someone else without your consent. Databases are generally protected by copyright. His work is now out of copyright. Ownership of copyright can be transferred. The family still holds the copyright on his works. The publisher has the copyright on all his books. The songs remain in copyright. They sued her for breach of copyright.