Tsukasa ASO

Associate Professor of Keio University Law School

Tsukasa ASO joined the faculty of Keio University Law School as associate professor in April 2025, after teaching since April 2013 as an assistant professor and, since June 2019 as an associate professor, at the Graduate School of Design, Kyushu University. He has been a visiting professor at the University of Poitiers (2020).

He graduated from Keio University (LL.B. in 2005 and with LL.M. in 2007, before completing his Ph.D. coursework at Keio University Graduate School of Law in 2012) and received his Ph.D. of the Science of Law from Keio University (2013).

At the Law School, he has taught intellectual property law.

◆Fields of Expertise

Intellectual property law

◆Publications 　　　

A. Articles and Book Chapters Written in English

• Tsukasa Aso＝Christoph Rademacher 'Regulation of Digital Platforms and the Digital Economy in Japan', GRUR int., vol.71, No.10(2022), p.980-995

• Tsukasa Aso 'History and Current Status of Design Protection in France', Tsukasa Aso＝Christoph Rademacher＝Jonathan Dobinson, eds.『History of Design and Design Law - An International and Interdisciplinary Perspective -』(Springer, 2022), p.249-272

• Jonathan Dobinson＝Tsukasa Aso＝Christoph Rademacher 'History of Design and Design Law: Connections, Influences and Observations', Tsukasa Aso＝Christoph Rademacher＝Jonathan Dobinson, eds.『History of Design and Design Law - An International and Interdisciplinary Perspective -』(Springer, 2022), p.535-562

• Tsukasa Aso＝Christoph Rademacher 'Noteworthy features of Japanese design Law from the perspective of European law', Christoph Rademacher＝Tsukasa Aso, eds.『Japanese Design Law and Practice』(Max Planck Series on Asian Intellectual Property Law Volume 18, 2020, Kluwer Law International) p.353-366

• Tsukasa Aso 'Overlap of protection under the Design Act and other intellectual property and related laws', Christoph Rademacher, Tsukasa Aso, eds.『Japanese Design Law and Practice』(Max Planck Series on Asian Intellectual Property Law Volume 18, 2020, Kluwer Law International), p.209-224

• Tsukasa Aso 'Purpose of the design law system and the definition of 'Design' under the Design Act', Christoph Rademacher＝Tsukasa Aso, eds.『Japanese Design Law and Practice』(Max Planck Series on Asian Intellectual Property Law Volume 18, 2020, Kluwer Law International) p.19-32

B. Articles and Book Chapters Written in French

• Tsukasa Aso 'Marge de protection du droit de la propriété intellectuelle et droit de la responsabilité civile'，『Mélanges en l'honneur de Michel Vivant』(Lexis Nexis et Dalloz, 2020), p.519-531

• Tsukasa Aso 'Droit de la propriété intellectuelle', N.Kanayama et al. eds.『Droit japonais des affaire』(Larcier, 2019), p.127-171

• Tsukasa Aso 'Nouvelles technologies et droit de la propriété intellectuelle', Keita Baba et al. eds.『Droit civil japonais : Quelle(s) réforme(s) à la lumière du droit français ?』(L.G.D.J, 2020), p.237-247

• Tsukasa Aso＝Amélie Favreau 'Les transferts de technologies respectueuses de l'environnement, regards croisés entre le Japon, l'Europe et la France', Propriété industrielle, Octobre 2017, No.10(2017), p.6-8

• Tsukasa Aso 'La réforme de l'invention de salarié au Japon', Propriété industrielle, Mars 2017, No.3(2017), p.18-25

• Naoki Kanayama＝Tsukasa Aso＝Kazuma Yamashiro 'Contrat et immatériel. Rapport japonais' : Association Henri Capitant『Journées espagnoles: L'immatérial』(LB2V et Bruylant, 2015), p.491-513

• Tsukasa Aso 'La possession personnelle antérieure : analyse du fondement au travers des visions japonaises, françaises et allemandes', Revue Francophone de la Propriété Intellectuelle, No.1(2015), p.76-85

C. Articles Written in Japanese

More than 30 articles in the field of intellectual property law.

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