Act on Prohibition of Private Monopolization and Maintenance of Fair Trade

Promulgated, not yet in force

Other amendments e-Gov records

21 more amendments to this law that e-Gov records with no page of their own here: when each took effect, and the amending law. What each changed is not on this site yet.

• 21 May 2026

  The text on this site

  Act Partially Amending the Basic Act on the Formation of a Digital Society, etc. to Promote Regulatory Reform for the Formation of a Digital Society (Act No. 63 of 2023)

  デジタル社会の形成を図るための規制改革を推進するためのデジタル社会形成基本法等の一部を改正する法律

  The text after this amendment, on e-Gov

• 21 May 2026

  Since replaced

  Act Partially Amending the Code of Civil Procedure, etc. (Act No. 48 of 2022)

  民事訴訟法等の一部を改正する法律

  The text after this amendment, on e-Gov

• 18 December 2025

  Since replaced

  Act on Promotion of Competition for Specified Smartphone Software (Act No. 58 of 2024)

  スマートフォンにおいて利用される特定ソフトウェアに係る競争の促進に関する法律

  The text after this amendment, on e-Gov

• 1 June 2025

  Since replaced

  Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Penal Code, etc. (Act No. 68 of 2022)

  刑法等の一部を改正する法律の施行に伴う関係法律の整理等に関する法律

  The text after this amendment, on e-Gov

• 23 May 2025

  Since replaced

  Act Partially Amending the Code of Criminal Procedure, etc. to Respond to Advances in Information and Communications Technology, etc. (Act No. 39 of 2025)

  情報通信技術の進展等に対応するための刑事訴訟法等の一部を改正する法律

  The text after this amendment, on e-Gov

• 19 June 2024

  Since replaced

  Act on Promotion of Competition for Specified Smartphone Software (Act No. 58 of 2024)

  スマートフォンにおいて利用される特定ソフトウェアに係る競争の促進に関する法律

  The text after this amendment, on e-Gov

• 1 April 2024

  Since replaced

  Act Partially Amending the Basic Act on the Formation of a Digital Society, etc. to Promote Regulatory Reform for the Formation of a Digital Society (Act No. 63 of 2023)

  デジタル社会の形成を図るための規制改革を推進するためのデジタル社会形成基本法等の一部を改正する法律

  The text after this amendment, on e-Gov

• 16 June 2023

  Since replaced

  Act Partially Amending the Basic Act on the Formation of a Digital Society, etc. to Promote Regulatory Reform for the Formation of a Digital Society (Act No. 63 of 2023)

  デジタル社会の形成を図るための規制改革を推進するためのデジタル社会形成基本法等の一部を改正する法律

  The text after this amendment, on e-Gov

• 17 June 2022

  Since replaced

  Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Penal Code, etc. (Act No. 68 of 2022)

  刑法等の一部を改正する法律の施行に伴う関係法律の整理等に関する法律

  The text after this amendment, on e-Gov

• 25 May 2022

  Since replaced

  Act Partially Amending the Code of Civil Procedure, etc. (Act No. 48 of 2022)

  民事訴訟法等の一部を改正する法律

  The text after this amendment, on e-Gov

• 1 March 2021

  Since replaced

  Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Companies Act (Act No. 71 of 2019)

  会社法の一部を改正する法律の施行に伴う関係法律の整備等に関する法律

  The text after this amendment, on e-Gov

• 25 December 2020

  Since replaced

  Act Partially Amending the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade (Act No. 45 of 2019)

  私的独占の禁止及び公正取引の確保に関する法律の一部を改正する法律

  The text after this amendment, on e-Gov

• 1 January 2020

  Since replaced

  Act Partially Amending the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade (Act No. 45 of 2019)

  私的独占の禁止及び公正取引の確保に関する法律の一部を改正する法律

  The text after this amendment, on e-Gov

• 16 December 2019

  Since replaced

  Act Partially Amending the Act on Use of Information and Communications Technology in Administrative Procedures, etc., and Other Acts to Improve Convenience for Persons Concerned in Administrative Procedures, etc. and to Simplify and Streamline Administrative Operations through the Use of Information and Communications Technology (Act No. 16 of 2019)

  情報通信技術の活用による行政手続等に係る関係者の利便性の向上並びに行政運営の簡素化及び効率化を図るための行政手続等における情報通信の技術の利用に関する法律等の一部を改正する法律

  The text after this amendment, on e-Gov

• 14 December 2019

  Since replaced

  Act on the Development of Related Acts to Rationalize Measures concerning the Restriction of Rights of Adult Wards, etc. (Act No. 37 of 2019)

  成年被後見人等の権利の制限に係る措置の適正化等を図るための関係法律の整備に関する法律

  The text after this amendment, on e-Gov

• 11 December 2019

  Since replaced

  Act on the Arrangement of Related Acts upon the Enforcement of the Act Partially Amending the Companies Act (Act No. 71 of 2019)

  会社法の一部を改正する法律の施行に伴う関係法律の整備等に関する法律

  The text after this amendment, on e-Gov

• 14 September 2019

  Since replaced

  Act on the Development of Related Acts to Rationalize Measures concerning the Restriction of Rights of Adult Wards, etc. (Act No. 37 of 2019)

  成年被後見人等の権利の制限に係る措置の適正化等を図るための関係法律の整備に関する法律

  The text after this amendment, on e-Gov

• 26 July 2019

  Since replaced

  Act Partially Amending the Act on Prohibition of Private Monopolization and Maintenance of Fair Trade (Act No. 45 of 2019)

  私的独占の禁止及び公正取引の確保に関する法律の一部を改正する法律

  The text after this amendment, on e-Gov

• 14 June 2019

  Since replaced

  Act on the Development of Related Acts to Rationalize Measures concerning the Restriction of Rights of Adult Wards, etc. (Act No. 37 of 2019)

  成年被後見人等の権利の制限に係る措置の適正化等を図るための関係法律の整備に関する法律

  The text after this amendment, on e-Gov

• 30 December 2018

  Since replaced

  Act on the Arrangement of Related Acts upon the Conclusion of the Trans-Pacific Partnership Agreement (Act No. 108 of 2016)

  環太平洋パートナーシップ協定の締結に伴う関係法律の整備に関する法律

  The text after this amendment, on e-Gov

• 16 December 2016

  Since replaced

  Act on the Arrangement of Related Acts upon the Conclusion of the Trans-Pacific Partnership Agreement (Act No. 108 of 2016)

  環太平洋パートナーシップ協定の締結に伴う関係法律の整備に関する法律

  The text after this amendment, on e-Gov