# 著作権法 / Copyright Act — 第二十一条 (Article 21) - Law: 著作権法 (Copyright Act), 昭和四十五年法律第四十八号 - English title "Copyright Act": Ministry of Justice translation - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 第二十一条 (Article 21)（複製権） — address `art-21` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/copyright-act/art-21 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/345AC0000000048/art-21 - Every provision below carries its address and both URLs on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. --- ### 第二十一条（複製権） — (Right of Reproduction) caption: Ministry of Justice translation — Japanese Law Translation Database System art-21 · https://japanlaw.org/ja/copyright-act/art-21 · https://japanlaw.org/l/345AC0000000048/art-21 **第一項** 著作者は、その著作物を複製する権利を専有する。 art-21/par-1 · https://japanlaw.org/ja/copyright-act/art-21/par-1 · https://japanlaw.org/l/345AC0000000048/art-21/par-1 The author of a work has the exclusive right to reproduce the work. Ministry of Justice translation — Japanese Law Translation Database System ## Cited by 10 provisions cite this one. No official source publishes this direction. - 著作権法 第三条第一項（著作物の発行） — https://japanlaw.org/ja/copyright-act/art-3/par-1 · https://japanlaw.org/l/345AC0000000048/art-3/par-1 - 著作権法 第三条第二項（著作物の発行） — https://japanlaw.org/ja/copyright-act/art-3/par-2 · https://japanlaw.org/l/345AC0000000048/art-3/par-2 - 著作権法 第四条第一項（著作物の公表） — https://japanlaw.org/ja/copyright-act/art-4/par-1 · https://japanlaw.org/l/345AC0000000048/art-4/par-1 - 著作権法 第十七条第一項（著作者の権利） — https://japanlaw.org/ja/copyright-act/art-17/par-1 · https://japanlaw.org/l/345AC0000000048/art-17/par-1 - 著作権法 第四十九条第一項（複製物の目的外使用等） — https://japanlaw.org/ja/copyright-act/art-49/par-1 · https://japanlaw.org/l/345AC0000000048/art-49/par-1 - 著作権法 第四十九条第二項（複製物の目的外使用等） — https://japanlaw.org/ja/copyright-act/art-49/par-2 · https://japanlaw.org/l/345AC0000000048/art-49/par-2 - 著作権法 第七十九条第一項（出版権の設定） — https://japanlaw.org/ja/copyright-act/art-79/par-1 · https://japanlaw.org/l/345AC0000000048/art-79/par-1 - 著作権法 第百四条の三第一項第二号イ（指定の基準） — https://japanlaw.org/ja/copyright-act/art-104-3/par-1/item-2/sub-1 · https://japanlaw.org/l/345AC0000000048/art-104-3/par-1/item-2/sub-1 - 著作権法 第百四条の三第一項第二号ロ（指定の基準） — https://japanlaw.org/ja/copyright-act/art-104-3/par-1/item-2/sub-2 · https://japanlaw.org/l/345AC0000000048/art-104-3/par-1/item-2/sub-2 - 著作権法 附則第二項（経過措置） — https://japanlaw.org/ja/copyright-act/suppl-4111-77/par-2 · https://japanlaw.org/l/345AC0000000048/suppl-4111-77/par-2 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 著作権法 — the text in force from 2026-06-24 (https://laws.e-gov.go.jp/law/345AC0000000048/20260624_508AC0000000048), retrieved 2026-10-19 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Copyright Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/4207/tb), retrieved 2026-10-19 - This site's parser, version 210 — 著作権法 — structure, counts, cross-references and defined terms, computed 2026-10-19