Translation guide
A pirated edition is an unauthorized copy of a published work, such as a book, movie, or software. In Japanese, this concept is expressed with specific terms that emphasize illegality and unauthorized reproduction.
To refer to a book, movie, software, or other media that has been copied and distributed without permission.
The standard term for a pirated edition, literally 'pirate edition'. Used for books, movies, software, etc.
この海賊版のDVDは画質が悪い。
This pirated DVD has poor quality.
海賊版の書籍がオンラインで出回っている。
Pirated editions of books are circulating online.
Literally 'illegal copy'. A broader term that can refer to any unauthorized duplication, not just published editions.
違法コピーは著作権侵害です。
Illegal copying is a copyright infringement.
Slang term for counterfeit or pirated goods, often used for physical items like DVDs or branded products. Very casual.
海賊版 is the most direct and widely understood term. Use 違法コピー when emphasizing the illegal act of copying, especially for digital files. パチモン is slang and should be avoided in formal situations.
This bootleg DVD broke right away.