# 著作権法 / Copyright Act — 第八条 (Supplementary Provisions, Article 8) - 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: 第八条 (Supplementary Provisions, Article 8)（利用権の対抗力についての経過措置） — address `suppl-5021-48/art-8` - Text in force since: 2026-06-24 - URL (the page that opens at this provision): https://japanlaw.org/ja/copyright-act/suppl-5021-48/art-8 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/345AC0000000048/suppl-5021-48/art-8 - 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. --- ### 第八条（利用権の対抗力についての経過措置） — (Transitional Measures for Perfection of Right of Exploitation) caption: Ministry of Justice translation — Japanese Law Translation Database System suppl-5021-48/art-8 · https://japanlaw.org/ja/copyright-act/suppl-5021-48/art-8 · https://japanlaw.org/l/345AC0000000048/suppl-5021-48/art-8 **第一項** 第一条改正後著作権法第六十三条の二（第一条改正後著作権法第八十条第四項及び第百三条において準用する場合を含む。）の規定は、附則第一条第二号に掲げる規定の施行の日（以下「第二号施行日」という。）の前日において現に存する第一条の規定による改正前の著作権法（以下この条において「第一条改正前著作権法」という。）第六十三条第一項（第一条改正前著作権法第百三条において準用する場合を含む。）及び第八十条第三項の許諾に係る著作物等（著作物、実演、レコード、放送又は有線放送をいう。以下この条において同じ。）を第一条改正前著作権法第六十三条第二項（第一条改正前著作権法第八十条第四項及び第百三条において準用する場合を含む。）の規定により利用することができる権利にも適用する。ただし、当該権利は、第二号施行日以後に当該権利に係る著作物等の著作権、出版権又は著作隣接権を取得した者その他の第三者に対してのみ対抗することができる。 suppl-5021-48/art-8/par-1 · https://japanlaw.org/ja/copyright-act/suppl-5021-48/art-8/par-1 · https://japanlaw.org/l/345AC0000000048/suppl-5021-48/art-8/par-1 The provisions of Article 63-2 of the Copyright Act amended under Article 1 (including as applied mutatis mutandis pursuant to Article 80, paragraph (4) and Article 103 of the Copyright Act amended under Article 1) also apply to the right to exploit a work (meaning a work, performance, phonogram, broadcast, or cablecast; hereinafter the same applies in this Article) under the authorization referred to in Article 63, paragraph (1) of the Copyright Act prior to the amendment under the provisions of Article 1 (hereinafter referred to as the "Copyright Act prior to amendment under Article 1" in this Article) (including cases where Article 63, paragraph (1) of Copyright Act prior to amendment under Article 1 is applied mutatis mutandis pursuant to Article 103 of the same Act) and the authorization referred to in Article 80, paragraph (3) of the same Act, as prescribed in Article 63, paragraph (2) of the Copyright Act prior to amendment under Article 1 (including as applied mutatis mutandis pursuant to Article 80, paragraph (4) and Article 103 of the Copyright Act prior to amendment under Article 1), if the authorization has been established before the day preceding the day on which the provisions set forth in Article 1, item (ii) of the Supplementary Provisions come into effect (hereinafter referred to as the "effective date under item (ii)"); provided, however, that this right may be asserted only against a person that has acquired the copyright, print right or neighboring rights for a work that is subject to the right of exploitation on or after the effective date under item (ii) or any other third party. Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "The provisions of Article 63-2 of the Copyright Act amended under Article 1 (including as applied mutatis mutandis pursuant to Article 80, paragraph (4) and Article 103 of the Copyright Act amended under Article 1) also apply to the right to exploit a work (meaning a work, performance, phonogram, broadcast, or cablecast; hereinafter the same applies in this Article) under the authorization referred to in Article 63, paragraph (1) of the Copyright Act prior to the amendment under the provisions of Article 1 (hereinafter referred to as the "Copyright Act prior to amendment under Article 1") in this Article) (including cases where Article 63, paragraph (1) of Copyright Act prior to amendment under Article 1 is applied mutatis mutandis pursuant to Article 103 of the same Act) and the authorization referred to in Article 80, paragraph (3) of the same Act, as prescribed in Article 63, paragraph (2) of the Copyright Act prior to amendment under Article 1 (including as applied mutatis mutandis pursuant to Article 80, paragraph (4) and Article 103 of the Copyright Act prior to amendment under Article 1), if the authorization has been established before the day preceding the day on which the provisions set forth in Article 1, item (ii) of the Supplementary Provisions come into effect (hereinafter referred to as the "effective date under item (ii)"); provided, however, that this right may be asserted only against a person that has acquired the copyright, print right or neighboring rights for a work that is subject to the right of exploitation on or after the effective date under item (ii) or any other third party." — https://www.japaneselawtranslation.go.jp/en/laws/view/4207/tb --- ## Cites - suppl-5021-48/art-8/par-1: 第一条改正後著作権法第六十三条の二 → 著作権法 第六十三条の二 (Article 63-2), art-63-2 — https://japanlaw.org/ja/copyright-act/art-63-2 · https://japanlaw.org/l/345AC0000000048/art-63-2 - suppl-5021-48/art-8/par-1: 第一条改正後著作権法第八十条第四項 → 著作権法 第八十条第四項 (Article 80, paragraph (4)), art-80/par-4 — https://japanlaw.org/ja/copyright-act/art-80/par-4 · https://japanlaw.org/l/345AC0000000048/art-80/par-4 - suppl-5021-48/art-8/par-1: 第百三条 → 著作権法 第百三条 (Article 103), art-103 — https://japanlaw.org/ja/copyright-act/art-103 · https://japanlaw.org/l/345AC0000000048/art-103 - suppl-5021-48/art-8/par-1: 附則第一条第二号 → 著作権法 附則第一条第一項第二号 (Supplementary Provisions, Article 1, paragraph (1), item (ii)), suppl-5021-48/art-1/par-1/item-2 — https://japanlaw.org/ja/copyright-act/suppl-5021-48/art-1/par-1/item-2 · https://japanlaw.org/l/345AC0000000048/suppl-5021-48/art-1/par-1/item-2 - suppl-5021-48/art-8/par-1: この条 → 著作権法 附則第八条 (Supplementary Provisions, Article 8), suppl-5021-48/art-8 — https://japanlaw.org/ja/copyright-act/suppl-5021-48/art-8 · https://japanlaw.org/l/345AC0000000048/suppl-5021-48/art-8 ## Cited by 4 provisions cite this one. No official source publishes this direction. - 著作権法 附則第一条第一項第二号（施行期日） — https://japanlaw.org/ja/copyright-act/suppl-5021-48/art-1/par-1/item-2 · https://japanlaw.org/l/345AC0000000048/suppl-5021-48/art-1/par-1/item-2 - 著作権法 附則第四条第一項（罰則についての運用上の配慮） — https://japanlaw.org/ja/copyright-act/suppl-5021-48/art-4/par-1 · https://japanlaw.org/l/345AC0000000048/suppl-5021-48/art-4/par-1 - 著作権法 附則第八条第一項（利用権の対抗力についての経過措置） — https://japanlaw.org/ja/copyright-act/suppl-5021-48/art-8/par-1 · https://japanlaw.org/l/345AC0000000048/suppl-5021-48/art-8/par-1 - 著作権法 附則第十二条第一項（政令への委任） — https://japanlaw.org/ja/copyright-act/suppl-5021-48/art-12/par-1 · https://japanlaw.org/l/345AC0000000048/suppl-5021-48/art-12/par-1 --- ## Sources - claude-opus-5-5 — Corrections to the Ministry of Justice's English of paragraphs, written 2026-10-19 - 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 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Copyright Act (著作権法), Supplementary Provisions, Article 8, paragraph (1) — the Ministry of Justice's English as printed (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