# 著作権法 / Copyright Act — 第六十五条 (Article 65) - 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: 第六十五条 (Article 65)（共有著作権の行使） — address `art-65` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/copyright-act/art-65 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/345AC0000000048/art-65 - 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. --- ### 第六十五条（共有著作権の行使） — (Exercise of a Joint Copyright) caption: Ministry of Justice translation — Japanese Law Translation Database System art-65 · https://japanlaw.org/ja/copyright-act/art-65 · https://japanlaw.org/l/345AC0000000048/art-65 **第一項** 共同著作物の著作権その他共有に係る著作権（以下この条において「共有著作権」という。）については、各共有者は、他の共有者の同意を得なければ、その持分を譲渡し、又は質権の目的とすることができない。 art-65/par-1 · https://japanlaw.org/ja/copyright-act/art-65/par-1 · https://japanlaw.org/l/345AC0000000048/art-65/par-1 The owner of a copyright to a joint work or any other jointly owned copyright (hereinafter in this Article referred to as a "joint copyright") is not entitled to transfer or pledge that share of the joint copyright without the consent of the other co-owners. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 共有著作権は、その共有者全員の合意によらなければ、行使することができない。 art-65/par-2 · https://japanlaw.org/ja/copyright-act/art-65/par-2 · https://japanlaw.org/l/345AC0000000048/art-65/par-2 A joint copyright may not be exercised without the unanimous agreement of all the co-owners. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 前二項の場合において、各共有者は、正当な理由がない限り、第一項の同意を拒み、又は前項の合意の成立を妨げることができない。 art-65/par-3 · https://japanlaw.org/ja/copyright-act/art-65/par-3 · https://japanlaw.org/l/345AC0000000048/art-65/par-3 In a case referred to in the preceding two paragraphs, a co-owner may not, without justifiable grounds, refuse the consent referred to in paragraph (1) or prevent the agreement referred to in the preceding paragraph from being reached. Ministry of Justice translation — Japanese Law Translation Database System **第四項** 前条第三項及び第四項の規定は、共有著作権の行使について準用する。 art-65/par-4 · https://japanlaw.org/ja/copyright-act/art-65/par-4 · https://japanlaw.org/l/345AC0000000048/art-65/par-4 The provisions of paragraphs (3) and (4) of the preceding Article apply mutatis mutandis to the exercise of a joint copyright. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-65/par-1: この条 → 著作権法 第六十五条 (Article 65), art-65 — https://japanlaw.org/ja/copyright-act/art-65 · https://japanlaw.org/l/345AC0000000048/art-65 - art-65/par-3: 前二項 → 著作権法 第六十五条第一項 (Article 65, paragraph (1)), art-65/par-1 — https://japanlaw.org/ja/copyright-act/art-65/par-1 · https://japanlaw.org/l/345AC0000000048/art-65/par-1 - art-65/par-3: 前二項 → 著作権法 第六十五条第二項 (Article 65, paragraph (2)), art-65/par-2 — https://japanlaw.org/ja/copyright-act/art-65/par-2 · https://japanlaw.org/l/345AC0000000048/art-65/par-2 - art-65/par-4: 前条第三項 → 著作権法 第六十四条第三項 (Article 64, paragraph (3)), art-64/par-3 — https://japanlaw.org/ja/copyright-act/art-64/par-3 · https://japanlaw.org/l/345AC0000000048/art-64/par-3 - art-65/par-4: 第四項 → 著作権法 第六十四条第四項 (Article 64, paragraph (4)), art-64/par-4 — https://japanlaw.org/ja/copyright-act/art-64/par-4 · https://japanlaw.org/l/345AC0000000048/art-64/par-4 ## Cited by 3 provisions cite this one. No official source publishes this direction. - 著作権法 第六十五条第一項（共有著作権の行使） — https://japanlaw.org/ja/copyright-act/art-65/par-1 · https://japanlaw.org/l/345AC0000000048/art-65/par-1 - 著作権法 第六十五条第三項（共有著作権の行使） — https://japanlaw.org/ja/copyright-act/art-65/par-3 · https://japanlaw.org/l/345AC0000000048/art-65/par-3 - 著作権法 第百三条第一項（著作隣接権の譲渡、行使等） — https://japanlaw.org/ja/copyright-act/art-103/par-1 · https://japanlaw.org/l/345AC0000000048/art-103/par-1 --- ## 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