Constitutional Litigation

Civil actions filed against federal agencies for constitutional rights violations

Armstead v. United States of America
  1. Armstead v. United States of America
  2. Jurisdiction: United States (June 11, 2024)
  3. Victims<![CDATA[John Armstead]]>Defendants<![CDATA[United States of America]]>Plaintiffs<![CDATA[John Armstead]]>Investigators<![CDATA[Drug Enforcement Administration]]>Prosecutors<![CDATA[无]]>Defense Attorneys<![CDATA[Matthew M. Graves]]>Plaintiff Attorneys<![CDATA[Carrie F. Apfel]]>Judges<![CDATA[Carl J. Nichols]]>Institutions<![CDATA[United States District Court for the District of Columbia]]><![CDATA[Drug Enforcement Administration]]>
  4. Case Tags: Fourth Amendment;Drone Surveillance;Privacy Law;Constitutional Litigation
Reiwa 7 (Gyo-Ke) No. 2, Action to Invalidate Election Due to Vote Weight Disparity
  1. Reiwa 7 (Gyo-Ke) No. 2, Action to Invalidate Election Due to Vote Weight Disparity
  2. Jurisdiction: Japan (2025 (filed after the October 2024 general election))
  3. Original Case: 令和7(行ケ)2 人口比例選挙請求事件
  4. Key Figures: Plaintiffs: Voters from multiple electoral districts (including a group of attorneys specializing in constitutional litigation); Defendant: Japan (represented by the Central Election Management Council)
  5. Case Tags: Constitutional Litigation;Vote Weight Disparity;Election Invalidation;Supreme Court Grand Bench
Reiwa 7 (Gyo-Ke) No. 1 Population Ratio Election Lawsuit
  1. Reiwa 7 (Gyo-Ke) No. 1 Population Ratio Election Lawsuit
  2. Jurisdiction: Japan (2025 (filed shortly after the October 2024 House of Representatives election; Supreme Court judgment delivered in 2025))
  3. Original Case: 令和7(行ケ)1 人口比例選挙請求事件
  4. Key Figures: Plaintiffs: Group of voters and attorneys led by constitutional scholar Makoto Ito; Defendant: National Government (Minister of Internal Affairs and Communications, Tokyo Metropolitan Election Administration Commission, etc.)
  5. Case Tags: Constitutional Litigation;Election Law;Vote Value Disparity;Supreme Court of Japan
Reiwa 6 (Ne) 1861 Marriage Freedom for All Lawsuit Appeal Case
  1. Reiwa 6 (Ne) 1861 Marriage Freedom for All Lawsuit Appeal Case
  2. Jurisdiction: Japan (2025)
  3. Original Case: 令和6(ネ)1861 「結婚の自由をすべての人に」訴訟控訴事件
  4. Key Figures: Plaintiffs: multiple same-sex couples (including individuals from Tokyo and other regions); Defendant: the Government of Japan
  5. Case Tags: Constitutional Litigation;Same-Sex Marriage;Equal Protection;LGBTQ Rights