# 著作権法 / Copyright Act — 第五十七条 (Article 57) - 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: 第五十七条 (Article 57)（保護期間の計算方法） — address `art-57` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/copyright-act/art-57 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/345AC0000000048/art-57 - 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. --- ### 第五十七条（保護期間の計算方法） — (Calculation of Terms of Protection) caption: Ministry of Justice translation — Japanese Law Translation Database System art-57 · https://japanlaw.org/ja/copyright-act/art-57 · https://japanlaw.org/l/345AC0000000048/art-57 **第一項** 第五十一条第二項、第五十二条第一項、第五十三条第一項又は第五十四条第一項の場合において、著作者の死後七十年又は著作物の公表後七十年若しくは創作後七十年の期間の終期を計算するときは、著作者が死亡した日又は著作物が公表され若しくは創作された日のそれぞれ属する年の翌年から起算する。 art-57/par-1 · https://japanlaw.org/ja/copyright-act/art-57/par-1 · https://japanlaw.org/l/345AC0000000048/art-57/par-1 In calculating the end of the seventy-year period following the death of the author; or the seventy-year period after a work is made public or created, in a case referred to in Article 51, paragraph (2); Article 52, paragraph (1); Article 53, paragraph (1); or Article 54, paragraph (1), the starting point for the calculation is the year after the year in which the author dies or the work is made public or created. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-57/par-1: 第五十一条第二項 → 著作権法 第五十一条第二項 (Article 51, paragraph (2)), art-51/par-2 — https://japanlaw.org/ja/copyright-act/art-51/par-2 · https://japanlaw.org/l/345AC0000000048/art-51/par-2 - art-57/par-1: 第五十二条第一項 → 著作権法 第五十二条第一項 (Article 52, paragraph (1)), art-52/par-1 — https://japanlaw.org/ja/copyright-act/art-52/par-1 · https://japanlaw.org/l/345AC0000000048/art-52/par-1 - art-57/par-1: 第五十三条第一項 → 著作権法 第五十三条第一項 (Article 53, paragraph (1)), art-53/par-1 — https://japanlaw.org/ja/copyright-act/art-53/par-1 · https://japanlaw.org/l/345AC0000000048/art-53/par-1 - art-57/par-1: 第五十四条第一項 → 著作権法 第五十四条第一項 (Article 54, paragraph (1)), art-54/par-1 — https://japanlaw.org/ja/copyright-act/art-54/par-1 · https://japanlaw.org/l/345AC0000000048/art-54/par-1 ## Cited by 1 provision cites this one. No official source publishes this direction. - 著作権法 附則第七条第一項（著作権法の一部改正に伴う経過措置） — https://japanlaw.org/ja/copyright-act/suppl-4281-108/art-7/par-1 · https://japanlaw.org/l/345AC0000000048/suppl-4281-108/art-7/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