Related Cases (3)
Reiwa 7 (Gyo-Ke) No. 9 Election Invalidation Case
- Jurisdiction: Japan (July 28, 2025)
- Original Case: 令和7(行ケ)9 選挙無効請求事件
- DefendantsState of JapanPlaintiffsHidetoshi MasunagaPlaintiff AttorneysHidetoshi MasunagaJudgesPresiding Judge of Tokyo High CourtInstitutionsTokyo High Court
- Case Tags: Election Invalidation Lawsuit;Vote Weight Disparity;House of Councillors Election;Constitutional Litigation
Reiwa 7 (Gyo-Ke) 2 Election Invalidity Lawsuit
- Jurisdiction: Japan (October 27, 2024 (election date); 2025 (lawsuit filing and ruling))
- Original Case: 令和7(行ケ)2 選挙無効請求事件
- PlaintiffsHidetoshi MasunagaGroup of AttorneysPlaintiff AttorneysHidetoshi MasunagaJudgesYukihiko ImasakiInstitutionsSupreme Court of JapanTokyo High Court
- Case Tags: Election Invalidity;Vote Value Disparity;Japan Supreme Court;Constitutionality Review
2025 House of Representatives Election Invalidation Case
- Jurisdiction: Japan (October 2025)
- Original Case: 令和7(行ケ)1 選挙無効請求事件
- DefendantsTokyo Metropolitan Election Administration CommissionOsaka Prefecture Election Administration CommissionState of JapanPlaintiffsTaro YamadaHanako SuzukiIchiro SatoPlaintiff AttorneysHidetoshi MasunagaJudgesYukihiko ImasakiMichiharu HayashiToru SakaiInstitutionsSupreme Court of JapanTokyo High CourtTokyo Metropolitan Election Administration Commission
- Case Tags: Election Invalidation;Vote Value Disparity;Unconstitutionality;Japanese Supreme Court