# 私的独占の禁止及び公正取引の確保に関する法律 / Act on Prohibition of Private Monopolization and Maintenance of Fair Trade — 第八十七条の二 (Article 87-2)

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- Law: 私的独占の禁止及び公正取引の確保に関する法律 (Act on Prohibition of Private Monopolization and Maintenance of Fair Trade), 昭和二十二年法律第五十四号
- English title "Act on Prohibition of Private Monopolization and Maintenance of Fair Trade": 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: 第八十七条の二 (Article 87-2) — address `art-87-2`
- Text in force since: 2026-05-21
- URL (the page that opens at this provision): https://japanlaw.org/ja/antimonopoly-act/art-87-2
- e-Gov law ID: 322AC0000000054 — never renamed. A permanent link, `/l/{lawId}/{address}` on this site, redirects to the page.
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- 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.

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### 第八十七条の二
<sup>art-87-2 · https://japanlaw.org/ja/antimonopoly-act/art-87-2</sup>

**第一項**  裁判所は、第二十四条の規定による侵害の停止又は予防に関する訴えが提起された場合において、他の裁判所に同一又は同種の行為に係る同条の規定による訴訟が係属しているときは、当事者の住所又は所在地、尋問を受けるべき証人の住所、争点又は証拠の共通性その他の事情を考慮して、相当と認めるときは、申立てにより又は職権で、訴訟の全部又は一部について、当該他の裁判所又は当該訴えにつき第八十四条の二第一項の規定により管轄権を有する他の裁判所に移送することができる。
<sup>art-87-2/par-1 · https://japanlaw.org/ja/antimonopoly-act/art-87-2/par-1</sup>
If an action to suspend or prevent an infringement pursuant to the provisions of Article 24 has been filed, and an action pursuant to the Article in connection with the same or similar acts are pending before another court, when the court finds it proper in consideration of the addresses or locations of the parties, addresses of witnesses to be examined, the commonality of issues or evidence, and any other circumstances, the court may transfer the case in whole or in part to the relevant other court or other courts having jurisdiction over the relevant action pursuant to the provisions of Article 84-2, paragraph (1), upon petition or by the court's own authority.
<sup>Ministry of Justice translation with a slip corrected by this site — not the Ministry's text; the Ministry printed: "If an action to suspend or prevent an infringement pursuant to the provisions of Article 24 has been filed, and an action pursuant to the Article in connection with the same or similar acts are pending before another court, when the court finds it proper in consideration of the addresses or locations of the parties, addresses of witnesses to be examined, the commonality of issues or evidence, and any other circumstances, the court may transfer, the case in whole or in part to the relevant other court or other courts having jurisdiction over the relevant action, by the court's own authority pursuant to the provisions of Article 84-2, paragraph (1)." — https://www.japaneselawtranslation.go.jp/en/laws/view/5212/tb</sup>

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## Cites
- art-87-2/par-1: 第二十四条 → 私的独占の禁止及び公正取引の確保に関する法律 第二十四条 (Article 24), art-24 — https://japanlaw.org/ja/antimonopoly-act/art-24
- art-87-2/par-1: 第八十四条の二第一項 → 私的独占の禁止及び公正取引の確保に関する法律 第八十四条の二第一項 (Article 84-2, paragraph (1)), art-84-2/par-1 — https://japanlaw.org/ja/antimonopoly-act/art-84-2/par-1

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## Sources

- claude-opus-5-5 — Corrections to the Ministry of Justice's English of paragraphs, written 2026-11-06
- e-Gov 法令検索, Digital Agency (デジタル庁) — 私的独占の禁止及び公正取引の確保に関する法律 — the text in force from 2026-05-21 (https://laws.e-gov.go.jp/law/322AC0000000054/20260521_505AC0000000063), retrieved 2026-11-06
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Prohibition of Private Monopolization and Maintenance of Fair Trade (私的独占の禁止及び公正取引の確保に関する法律), Article 87-2, paragraph (1) — the Ministry of Justice's English as printed (https://www.japaneselawtranslation.go.jp/en/laws/view/5212/tb), retrieved 2026-11-06
- Japanese Law Translation Database System, Ministry of Justice (法務省) — Act on Prohibition of Private Monopolization and Maintenance of Fair Trade — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/5212/tb), retrieved 2026-11-06
- This site's parser, version 225 — 私的独占の禁止及び公正取引の確保に関する法律 — structure, counts, cross-references and defined terms, computed 2026-11-06
