# 著作権法 / Copyright Act — 第百十八条 (Article 118) - 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: 第百十八条 (Article 118)（無名又は変名の著作物に係る権利の保全） — address `art-118` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/copyright-act/art-118 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/345AC0000000048/art-118 - 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. --- ### 第百十八条（無名又は変名の著作物に係る権利の保全） — (Preservation of Rights to Anonymous and Pseudonymous Works) caption: Ministry of Justice translation — Japanese Law Translation Database System art-118 · https://japanlaw.org/ja/copyright-act/art-118 · https://japanlaw.org/l/345AC0000000048/art-118 **第一項** 無名又は変名の著作物の発行者は、その著作物の著作者又は著作権者のために、自己の名をもつて、第百十二条、第百十五条若しくは第百十六条第一項の請求又はその著作物の著作者人格権若しくは著作権の侵害に係る損害の賠償の請求若しくは不当利得の返還の請求を行なうことができる。ただし、著作者の変名がその者のものとして周知のものである場合及び第七十五条第一項の実名の登録があつた場合は、この限りでない。 art-118/par-1 · https://japanlaw.org/ja/copyright-act/art-118/par-1 · https://japanlaw.org/l/345AC0000000048/art-118/par-1 The publisher of an anonymous or pseudonymous work may file the claim referred to in Article 112, Article 115, or Article 116, paragraph (1) or may claim damages or the return of the benefit of any unjust enrichment in that person's own name, on behalf of the author or the owner of the copyright to the work; provided, however, that this does not apply if the pseudonym is the name by which the author is commonly known or if the true name of the author has been registered as referred to in Article 75, paragraph (1). Ministry of Justice translation — Japanese Law Translation Database System **第二項** 無名又は変名の著作物の複製物にその実名又は周知の変名が発行者名として通常の方法により表示されている者は、その著作物の発行者と推定する。 art-118/par-2 · https://japanlaw.org/ja/copyright-act/art-118/par-2 · https://japanlaw.org/l/345AC0000000048/art-118/par-2 A person whose true name or the pseudonym by which the person is commonly known is indicated in the customary manner on copies of an anonymous or pseudonymous work as the name of the publisher of the work is presumed to be the publisher of that work. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-118/par-1: 第百十二条 → 著作権法 第百十二条 (Article 112), art-112 — https://japanlaw.org/ja/copyright-act/art-112 · https://japanlaw.org/l/345AC0000000048/art-112 - art-118/par-1: 第百十五条 → 著作権法 第百十五条 (Article 115), art-115 — https://japanlaw.org/ja/copyright-act/art-115 · https://japanlaw.org/l/345AC0000000048/art-115 - art-118/par-1: 第百十六条第一項 → 著作権法 第百十六条第一項 (Article 116, paragraph (1)), art-116/par-1 — https://japanlaw.org/ja/copyright-act/art-116/par-1 · https://japanlaw.org/l/345AC0000000048/art-116/par-1 - art-118/par-1: 第七十五条第一項 → 著作権法 第七十五条第一項 (Article 75, paragraph (1)), art-75/par-1 — https://japanlaw.org/ja/copyright-act/art-75/par-1 · https://japanlaw.org/l/345AC0000000048/art-75/par-1 ## Cited by 1 provision cites this one. No official source publishes this direction. - 著作権法 第百二十三条第四項 — https://japanlaw.org/ja/copyright-act/art-123/par-4 · https://japanlaw.org/l/345AC0000000048/art-123/par-4 --- ## 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