# 会社法 / Companies Act — 第八百四十三条 (Article 843) - Law: 会社法 (Companies Act), 平成十七年法律第八十六号 - English title "Companies 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: 第八百四十三条 (Article 843)（合併又は会社分割の無効判決の効力） — address `art-843` - Text in force since: 2026-08-12 - URL (the page that opens at this provision): https://japanlaw.org/ja/companies-act/art-843 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/417AC0000000086/art-843 - 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. --- ### 第八百四十三条（合併又は会社分割の無効判決の効力） — (Effects of a Judgment of Invalidation of a Merger or Company Split) caption: Ministry of Justice translation — Japanese Law Translation Database System art-843 · https://japanlaw.org/ja/companies-act/art-843 · https://japanlaw.org/l/417AC0000000086/art-843 **第一項** 次の各号に掲げる行為の無効の訴えに係る請求を認容する判決が確定したときは、当該行為をした会社は、当該行為の効力が生じた日後に当該各号に定める会社が負担した債務について、連帯して弁済する責任を負う。 art-843/par-1 · https://japanlaw.org/ja/companies-act/art-843/par-1 · https://japanlaw.org/l/417AC0000000086/art-843/par-1 When a judgment upholding a claim relating to an action seeking invalidation of any one of the acts set forth in the following items becomes final and binding, the company that carried out relevant act is liable jointly and severally to perform the obligations assumed by the companies specified respectively in those items after the day on which relevant act became effective: Ministry of Justice translation — Japanese Law Translation Database System **一** 会社の吸収合併　吸収合併後存続する会社 art-843/par-1/item-1 · https://japanlaw.org/ja/companies-act/art-843/par-1/item-1 · https://japanlaw.org/l/417AC0000000086/art-843/par-1/item-1 absorption-type merger:the company surviving the absorption-type merger; Ministry of Justice translation — Japanese Law Translation Database System **二** 会社の新設合併　新設合併により設立する会社 art-843/par-1/item-2 · https://japanlaw.org/ja/companies-act/art-843/par-1/item-2 · https://japanlaw.org/l/417AC0000000086/art-843/par-1/item-2 consolidation-type merger:the company that is incorporated in the consolidation-type merger; Ministry of Justice translation — Japanese Law Translation Database System **三** 会社の吸収分割　吸収分割をする会社がその事業に関して有する権利義務の全部又は一部を当該会社から承継する会社 art-843/par-1/item-3 · https://japanlaw.org/ja/companies-act/art-843/par-1/item-3 · https://japanlaw.org/l/417AC0000000086/art-843/par-1/item-3 absorption-type company split:the company succeeding to all or part of the rights and obligations held by the company effecting the absorption-type company split in connection with its business by transfer from relevant company; or Ministry of Justice translation — Japanese Law Translation Database System **四** 会社の新設分割　新設分割により設立する会社 art-843/par-1/item-4 · https://japanlaw.org/ja/companies-act/art-843/par-1/item-4 · https://japanlaw.org/l/417AC0000000086/art-843/par-1/item-4 incorporation-type company split:the company that is incorporated in the incorporation-type company split. Ministry of Justice translation — Japanese Law Translation Database System **第二項** 前項に規定する場合には、同項各号に掲げる行為の効力が生じた日後に当該各号に定める会社が取得した財産は、当該行為をした会社の共有に属する。ただし、同項第四号に掲げる行為を一の会社がした場合には、同号に定める会社が取得した財産は、当該行為をした一の会社に属する。 art-843/par-2 · https://japanlaw.org/ja/companies-act/art-843/par-2 · https://japanlaw.org/l/417AC0000000086/art-843/par-2 In the cases prescribed in the preceding paragraph, the property acquired, after the day on which the acts set forth in the items of that paragraph became effective, by the companies specified respectively in those items is co-owned by the companies that carried out relevant acts; provided, however, that if the act set forth in item (iv) of that paragraph has been carried out by a single company, the property acquired by the company specified in that item is owned by the single company that carried out relevant act. Ministry of Justice translation — Japanese Law Translation Database System **第三項** 第一項及び前項本文に規定する場合には、各会社の第一項の債務の負担部分及び前項本文の財産の共有持分は、各会社の協議によって定める。 art-843/par-3 · https://japanlaw.org/ja/companies-act/art-843/par-3 · https://japanlaw.org/l/417AC0000000086/art-843/par-3 In the cases prescribed in paragraph (1) and the main clause of the preceding paragraph, each company's portion of the obligations to be assumed referred to in paragraph (1) and share of co-ownership of property referred to in the main clause of the preceding paragraph are decided through discussion among the companies. Ministry of Justice translation — Japanese Law Translation Database System **第四項** 各会社の第一項の債務の負担部分又は第二項本文の財産の共有持分について、前項の協議が調わないときは、裁判所は、各会社の申立てにより、第一項各号に掲げる行為の効力が生じた時における各会社の財産の額その他一切の事情を考慮して、これを定める。 art-843/par-4 · https://japanlaw.org/ja/companies-act/art-843/par-4 · https://japanlaw.org/l/417AC0000000086/art-843/par-4 If no agreement is reached in the discussion set forth in the preceding paragraph with regard to each company's portion of the obligations to be assumed referred to in paragraph (1) and share of co-ownership of property set forth in the main clause of the preceding paragraph, the court comes to a decision, in response to a petition by the companies, by taking into account the amount of property of each company as of the time the act set forth in any one of the items of paragraph (1) became effective and all other circumstances. Ministry of Justice translation — Japanese Law Translation Database System --- ## Cites - art-843/par-2: 前項 → 会社法 第八百四十三条第一項 (Article 843, paragraph (1)), art-843/par-1 — https://japanlaw.org/ja/companies-act/art-843/par-1 · https://japanlaw.org/l/417AC0000000086/art-843/par-1 - art-843/par-2: 同項第四号 → 会社法 第八百四十三条第一項第四号 (Article 843, paragraph (1), item (iv)), art-843/par-1/item-4 — https://japanlaw.org/ja/companies-act/art-843/par-1/item-4 · https://japanlaw.org/l/417AC0000000086/art-843/par-1/item-4 - art-843/par-3: 第一項 → 会社法 第八百四十三条第一項 (Article 843, paragraph (1)), art-843/par-1 — https://japanlaw.org/ja/companies-act/art-843/par-1 · https://japanlaw.org/l/417AC0000000086/art-843/par-1 - art-843/par-3: 前項 → 会社法 第八百四十三条第二項 (Article 843, paragraph (2)), art-843/par-2 — https://japanlaw.org/ja/companies-act/art-843/par-2 · https://japanlaw.org/l/417AC0000000086/art-843/par-2 - art-843/par-4: 第一項 → 会社法 第八百四十三条第一項 (Article 843, paragraph (1)), art-843/par-1 — https://japanlaw.org/ja/companies-act/art-843/par-1 · https://japanlaw.org/l/417AC0000000086/art-843/par-1 - art-843/par-4: 第二項 → 会社法 第八百四十三条第二項 (Article 843, paragraph (2)), art-843/par-2 — https://japanlaw.org/ja/companies-act/art-843/par-2 · https://japanlaw.org/l/417AC0000000086/art-843/par-2 - art-843/par-4: 前項 → 会社法 第八百四十三条第三項 (Article 843, paragraph (3)), art-843/par-3 — https://japanlaw.org/ja/companies-act/art-843/par-3 · https://japanlaw.org/l/417AC0000000086/art-843/par-3 ## Cited by 6 provisions cite this one. No official source publishes this direction. - 会社法 第八百四十三条第二項（合併又は会社分割の無効判決の効力） — https://japanlaw.org/ja/companies-act/art-843/par-2 · https://japanlaw.org/l/417AC0000000086/art-843/par-2 - 会社法 第八百四十三条第三項（合併又は会社分割の無効判決の効力） — https://japanlaw.org/ja/companies-act/art-843/par-3 · https://japanlaw.org/l/417AC0000000086/art-843/par-3 - 会社法 第八百四十三条第四項（合併又は会社分割の無効判決の効力） — https://japanlaw.org/ja/companies-act/art-843/par-4 · https://japanlaw.org/l/417AC0000000086/art-843/par-4 - 会社法 第八百六十八条第六項（非訟事件の管轄） — https://japanlaw.org/ja/companies-act/art-868/par-6 · https://japanlaw.org/l/417AC0000000086/art-868/par-6 - 会社法 第八百七十条第二項第六号（陳述の聴取） — https://japanlaw.org/ja/companies-act/art-870/par-2/item-6 · https://japanlaw.org/l/417AC0000000086/art-870/par-2/item-6 - 社会保険労務士法 第二十五条の二十三の三第一項（合併の無効の訴えに関する会社法の準用） — https://japanlaw.org/ja/labor-and-social-security-attorney-act/art-25-23-3/par-1 · https://japanlaw.org/l/343AC1000000089/art-25-23-3/par-1 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 会社法 — the text in force from 2026-08-12 (https://laws.e-gov.go.jp/law/417AC0000000086/20260812_508AC0000000064), retrieved 2026-09-17 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Companies Act — Ministry of Justice translation (part 1 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/4481/tb), retrieved 2026-09-17 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Companies Act — Ministry of Justice translation (part 2 of 2) (https://www.japaneselawtranslation.go.jp/en/laws/view/4482/tb), retrieved 2026-09-17 - This site's parser, version 211 — 会社法 — structure, counts, cross-references and defined terms, computed 2026-09-17