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Law of Criminal Evidence in the Era of the Saiban-in Trials

Research Project

Project/Area Number 17K03439
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Criminal law
Research InstitutionThe University of Tokyo (2020)
Waseda University (2017-2019)

Principal Investigator

Inouye Masahito  東京大学, 大学院法学政治学研究科(法学部), 名誉教授 (30009831)

Project Period (FY) 2017-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Keywords司法制度改革 / 裁判員 / 証拠法 / 直接主義・口頭主義 / 証拠能力 / 証明 / 事実認定 / 事実誤認 / 国民参加 / 刑事司法 / 刑事訴訟法
Outline of Final Research Achievements

The introduction of Saiban-in system as a fruit of the justice system reform in the first decade of this Century has brought about drastic changes in various aspects of Japanese criminal trials that had traditionally been conducted exclusively by professional judges. Among others, there have been several movements by judicial rulings as well as in trail practices for adjusting evidentiary rules and handlings to Saiban-in trials where regular citizens participate in the judgement of facts based on the evaluation of evidence as equal-footed members of the panel court. At the same time, such changes in turn have caused new challenges to be encountered. This research is an attempt to search for and suggest a direction of solving the challenges comprehensively.

Academic Significance and Societal Importance of the Research Achievements

戦後直ぐの現行刑事訴訟法の制定を契機に,主としてアメリカの証拠法の考え方や法理・法則が盛んに学ばれ,学説上共有されるようになって久しいが,その後,現行法の自白や伝聞証拠に関する規定の解釈や違法収集証拠排除の問題などを除き,証拠法の理論やルールに大きな発展は見られなかった。一般国民が裁判官と協働して証拠を評価して事実認定に当たる裁判員制度の導入は,その状態を見直し,より相応しい証拠法としていくべき一大契機となるもので,判例や学説,実務の運用にも意識的な試みが見られるようになっているが,本研究はそこに一つの方向性を提示しようとするもので,学術的にも社会的ないし実際的にも意義がある試みだと言える。

Report

(5 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (6 results)

All 2019 2018

All Journal Article (1 results) Presentation (5 results) (of which Invited: 5 results)

  • [Journal Article] Citizen Participation in Criminal Trials and Reformation of Criminal Justice in Japan2018

    • Author(s)
      Masahito INOUYE
    • Journal Title

      UNAFEI Resource Material Series

      Volume: 105 Pages: 74-115

    • Related Report
      2018 Research-status Report
  • [Presentation] 裁判員制度と刑事司法――二人三脚の歩み2019

    • Author(s)
      井上正仁
    • Organizer
      最高裁判所=法務省・最高検察庁=日本弁護士連合会共催「裁判員制度10周年記念シンポジウム」
    • Related Report
      2019 Research-status Report
    • Invited
  • [Presentation] 裁判員裁判と刑事司法――改革の原点とその背景2019

    • Author(s)
      井上正仁
    • Organizer
      司法研修所令和元年刑事実務研究会
    • Related Report
      2019 Research-status Report
    • Invited
  • [Presentation] 裁判員制度と刑事司法2019

    • Author(s)
      井上正仁
    • Organizer
      最高裁判所=法務省検察庁=日本弁護士連合会共催「裁判員制度10年記念シンポジウム」
    • Related Report
      2018 Research-status Report
    • Invited
  • [Presentation] Citizens' Participation in Criminal Trials and Reformation of Criminal Justice in Japan2018

    • Author(s)
      Masahito Inouye
    • Organizer
      United Nations Asia and Far East Institute for the Prevention of Crime and the Treatment of Offenders, the 168th International Senior Seminar
    • Related Report
      2017 Research-status Report
    • Invited
  • [Presentation] 裁判員裁判と上訴2018

    • Author(s)
      井上正仁
    • Organizer
      台湾台南地方法院専題講演会
    • Related Report
      2017 Research-status Report
    • Invited

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Published: 2017-04-28   Modified: 2022-01-27  

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