参考リンク: [1] Res judicata - Wikipedia: https://en.wikipedia.org/wiki/Res_judicata [2] What is res judicata?: https://legal.thomsonreuters.com/blog/what-is-res-judicata [3] Doctrine of Res Judicata: Meaning, History, and Legal Significance: https://bnblegal.com/article/what-is-res-judicata [4] Res Judicata: Understanding Its Importance in Modern Litigation: https://www.pjlesq.com/post/res-judicata-what-it-means-and-how-it-applies-in-modern-litigation [5] HP of Satoshi Iriinafuku - 民事訴訟法講義ノート - 判決の確定とその効力: https://eu-info.jp/CPL/judgment-final.html [6] The doctrine of res judicata | Legal Guidance | LexisNexis: https://www.lexisnexis.co.uk/legal/guidance/the-doctrine-of-res-judicata