Faculty Profiles - SAITO KOU

写真a

SAITO KOU

Organization

Undergraduate School School of Information and Communication Associate Professor

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Research Interests

損害賠償
債務不履行
契約法

Research Areas

Humanities & social sciences / Civil law

Education

Chuo University

- 2016

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Country/Region： Japan

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The University of Tokyo Faculty of Law

- 2014

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Country/Region： Japan

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Research History

Meiji University School of Information and Communication Associate Professor

2026.4

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Meiji University School of Information and Communication Senior Assistant Professor

2023.4 - 2026.4

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Kagawa University Faculty of Law Associate Professor

2020.4 - 2023.3

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Chuo University Law School Assistant Professor (non-tenured)

2017.4 - 2020.3

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Professional Memberships

日米法学会

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日本私法学会

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Committee Memberships

香川県公益認定等審議会委員

2020 - 2023

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Committee type：Municipal

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法務省法教育推進協議会成年年齢引下げに向けた法教育施策検討部会委員

2020 - 2022

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Committee type：Government

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Papers

生成AIを用いた契約の有効性

齋藤航

アメリカ契約法の新しい発展 2025.11

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Publishing type：Part of collection (book)

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The Cancellation or Correction of a Registration by a Co-owner of Real Property Reviewed

SAITO,Kou

24 153 - 184 2025.3

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Language：Japanese Publishing type：Research paper (bulletin of university, research institution)

CiNii Research

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使用者責任における逆求償の発生原因 ―最判令和2年2月28日民集74巻2号106頁を契機として― Reviewed

齋藤航

不法行為法研究5 67 - 96 2025.2

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Damages for Value and Emotional Distress for Injuries to Animals Reviewed

SAITO,Kou

23 55 - 85 2024.3

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Language：Japanese Publishing type：Research paper (bulletin of university, research institution)

CiNii Research

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The liability for physical harm caused by animals (2)

42 ( 3・4 ) 473 - 492 2023.3

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Language：Japanese

DOI： 10.57372/00011586

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The liability for physical harm caused by animals (1)

42 ( 2 ) 209 - 235 2022.9

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Language：Japanese

DOI： 10.57372/00011411

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解雇期間中の賃金請求における損害軽減原則に基づく減額可能性

齋藤航

香川法学 41 ( 3・4 ) 197 - 246 2022.3

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The application by analogy of Article 418 of the Civil Code

40 ( 3・4 ) 341 - 366 2021.3

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Language：Japanese

CiNii Research

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The Diminution of Damages in the Law of Tort — comparative negligence and avoidable consequence —

40 ( 1・2 ) 109 - 144 2020.9

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Language：Japanese

CiNii Research

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Other Link： http://id.nii.ac.jp/1731/00000430/
"Comparative Negligence" in the Law of Contract(5)

16 ( 4 ) 75 - 109 2020.3

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Language：Japanese

CiNii Research

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"Comparative Negligence" in the Law of Contract(4)

16 ( 3 ) 31 - 60 2019.12

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Language：Japanese

CiNii Research

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"Comparative Negligence" in the Law of Contract(3)

16 ( 1 ) 71 - 98 2019.6

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Language：Japanese

CiNii Research

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"Comparative Negligence" in the Law of Contract(2)

15 ( 4 ) 43 - 67 2019.3

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Language：Japanese

CiNii Research

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"Comparative Negligence" in the Law of Contract(1)

15 ( 3 ) 85 - 107 2018.12

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Language：Japanese

This article calls for recognition of "comparative negligence" under the Civil Code of Japan. "Comparative negligence" is the doctrine that allows apportionment of damages between those primarily responsible for causing harm and the victims. The doctrine can be invoked by defendants in both contract and tort cases. This article focuses on contract cases in order to clarify the relationship between the contract and the negligence of the injured party.In this context, justification of the doctrine is of foremost importance. "Justification" means the reason for imputing some part of the damages to the injured party. In addition to consideration of the Civil Code of Japan, this article views the doctrine of comparative negligence in the United States for investigation into suitable justification.

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Other Link： http://id.nii.ac.jp/1648/00011878/

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MISC

裁判書面における生成AIの使用とハルシネーション : アメリカ

齋藤航

ジュリスト = Monthly jurist / 有斐閣 [編] ( 1615 ) 79 2025.10

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Language：Japanese Publisher：東京 : 有斐閣

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Other Link： https://ndlsearch.ndl.go.jp/books/R000000004-I034321301
内部通報に対する不利益人事における報復的意図 : アメリカ

齋藤航

ジュリスト = Monthly jurist / 有斐閣 [編] ( 1605 ) 97 2025.1

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Language：Japanese Publisher：東京 : 有斐閣

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Other Link： https://ndlsearch.ndl.go.jp/books/R000000004-I033864402
＜判批＞１中学校におけるいじめによって自殺した亡生徒の自殺に係る損害につき、いじめ行為から「通常生ずべき損害」に当たるとして、いじめ行為との相当因果関係を認めた事例２いじめによる自殺に係る損害賠償額につき、亡生徒は自らの意思で自殺を選択し、さらに金銭窃取という違法行為により自らを逃げ場のない状態に追い込んだという点で、両親も家庭環境を適切に整えることができず、亡生徒を精神的に支えることができなかったという点で、過失相殺の適用及び類推適用を基礎づける事情があると認定し、４割を減額した事例

齋藤航

判例評論 ( 756 ) 2022.3

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機会主義的行動とその抑止[Robert E. Scott, Contract Design and the Shading Problem]

アメリカ法 2017 ( 2 ) 301 - 306 2018.7

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Language：Japanese Publisher：日米法学会

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Research Projects

契約違反における過失相殺の法的性質―アメリカ法における債権者の過失分析を通じて―

Grant number：19K13569 2019.4 - 2021.3

日本学術振興会科学研究費助成事業若手研究若手研究

齋藤航

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Grant amount：\1820000 （ Direct Cost: \1400000 、 Indirect Cost：\420000 ）

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債務不履行に基づく損害賠償における過失相殺の根拠と構造

2018.4 - 2019.3

日本私立学校振興・共済事業団平成30年度若手研究者奨励金

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Authorship：Principal investigator

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