written work; literary work; copyrighted work
Refers to a work that is the product of creative intellectual effort, especially in legal contexts such as copyright law. Covers books, musical compositions, and other fixed expressions of ideas.
This work is protected by copyright.
His works have been translated into many languages.
orphan works
derivative work
Compound of 著作 (chosaku, 'writing, authorship') + 物 (butsu, 'thing, object'). The term is a straightforward Sino-Japanese compound used primarily in legal and formal contexts.