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Yamaguchi Lab
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A lab that explores a free and fair society in the age of DX and AI through the lens of information law.

AboutAbout the lab
A free and fair society, built through information and law.
The lab studies information, law, and policy.
It covers freedom of expression, information, and the media; privacy and personal data protection; cybersecurity; and intellectual property and copyright.
It examines how law and policy can respond to problems that grow larger as society undergoes digital transformation (DX) and artificial intelligence (AI) spreads.
Courses at the Graduate School of Interdisciplinary Information Studies can be taken without prior knowledge of law, and students learn practically through concrete cases, court precedents, and statutes from Japan, the US, and Europe.
Key terms
- DX
- Short for digital transformation. It refers to digital technology fundamentally changing how society and work operate.
- Case law (precedent)
- Past decisions made by courts. They serve as a guide to how the law should be interpreted in similar cases.
- Information asymmetry
- An imbalance of information in which one party has a great deal of information and the other does not.
ResearchResearch themes
The lab studies information law and information policy from a broad perspective that spans eras and national borders. Its work includes case studies on balancing conflicting values and a project to systematize information law as a theory.
*Illustrative imageInformation Law from a Global Historical Perspective
Imbalances of power and information asymmetries have recurred across eras and national borders, and they are growing in scale as DX and AI advance. The lab studies how legal rules are made and which policies are chosen in these areas, from the perspective of global legal history.
*Illustrative imageA Fair Balance Between Conflicting Values
Students study concrete cases from Japan, the US, and Europe involving information technology, media, and AI, along with the relevant precedents and statutes. When values such as privacy, freedom of expression, national security, and copyright come into conflict, they discuss how to strike a fair balance, based on facts and reasoning.
*Illustrative imageTheoretical Systematization of Information Law
This project defines information law as "the law that governs the value and design of information" and aims to systematize it theoretically. Building on the history of information law, which has developed in a distinctive way in Japan, it seeks to co-create a society that is "free and fair" for everyone.
MembersFaculty
- ProfessorItsuko YamaguchiPublications ↗
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Antique Scale (pingnews) ( )” pingnews.com / CC BY-SA 2.0 (cropped)
- Information Law from a Global Historical Perspective: “World Map 1689” Gerard van Schagen / Public domain (cropped)
- A Fair Balance Between Conflicting Values: “Rochester City Court part 1 courtroom” Bjengles3 / CC BY-SA 4.0 (cropped)
- Theoretical Systematization of Information Law: “Racks Amravati Data Center” PiDatacenters / CC BY-SA 4.0 (cropped)
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