Works

Books, articles, case notes, commentaries, and presentations

A list of my research output. You can filter by type (Book / Peer-reviewed article / Article / Case note / Commentary / Presentation). Each entry is a post on the blog.

Date Type Title Venue
2026.09 Presentation Recent Developments in Japanese Competition Law: Through the Lens of Innovation 2026 Korea-Japan Competition Law Academic Research Conference (Korea University)
2026.08 Presentation Rules, Standards and Observability under Japan’s Mobile Software Competition Act Monash Warwick Alliance Digital Regulation Workshop (Monash University)
2026.08 Book Competition Policy in the Platform Era: At the Cutting Edge Yuhikaku (eds. 稲葉僚太, 大泉玄之助, 伊永大輔, 中島菜子; contributed chapters)
2026.03 Commentary Main Developments in Competition Law and Policy 2025 – Japan Kluwer Competition Law Blog
2026.02 Article Goals, Ideology, and the Interpretation of Competition Law Kosei Torihiki no.904 p.45
2026.01 Presentation From Data Hunt to Data Vault: A Closed-Chain Solution for Antitrust Compliance The IAFOR International Conference on Arts & Humanities in Hawaii (IICAH 2026)
2025.12 Presentation An Overview of the Major Developments in Japan’s Competition Law and Policy in 2025 2025 Taiwan-Japan Economic Law Conference
2025.11 Presentation Designing Remedies in Dynamic Markets: The District Court Decision of September 2, 2025 in United States v. Google LLC Shojihomu Antimonopoly Law Study Group
2025.10 Article Goals, Ideology, and the Interpretation of Competition Law CPRC Discussion Paper no.CPDP-102-J pp.1–31 (in Japanese)
2025.10 Case note A Case Holding that a Change in the Specifications of a Complementary Product Did Not Constitute an Unfair Trade Practice Hogaku Seminar special issue, Sokuho Hanrei Kaisetsu no.37
2025.05 Presentation Commentary on the MC Data Plus Case Japan Competition Law Forum (Unilateral Conduct Study Group)
2025.05 Commentary A Case Holding that a Change in the Specifications of a Complementary Product Did Not Constitute an Unfair Trade Practice Shin Hanrei Kaisetsu Watch (Economic Law) No.99
2025.03 Commentary Main Developments in Competition Law and Policy 2024 – Japan Kluwer Competition Law Blog
2025.02 Case note Antimonopoly Case Study Group (No. 78): A Case Holding that Restrictions by Fishery Cooperatives on Shipments outside the Cooperative System Constituted an Unfair Trade Practice NBL no.1284
2025.02 Article Strategic Conduct Aimed at Excluding Competitors and Innovation Kosei Torihiki no.892 pp.18–23
2025.01 Commentary [News from Japan] On Hosting the First National Forum for Economic Law Research at Law Faculties Kosei Torihiki no.891 pp.80–81
2024.12 Presentation Content Platforms and the Antimonopoly Act  
2024.10 Commentary Book Review: Eric A. Posner, How Antitrust Failed Workers Japanese Yearbook of International Economic Law pp.247–251
2024.09 Commentary Competition Law Dictionary  
2024.09 Presentation A Case Holding that Restrictions by Fishery Cooperatives on Shipments outside the Cooperative System Constituted an Unfair Trade Practice Antimonopoly Cases and Decisions Study Group
2024.08 Case note Excluding Competitors by Restricting Dealings with Rival Firms: The Minami Airport Service Case (Tokyo High Court, January 25, 2023) Keizaiho Hanrei Shinketsu Hyakusen, 3rd ed. (Bessatsu Jurist) vol.60 no.2 pp.28–29
2024.05 Case note A Case Holding that a Change in the Specifications of Printer Ink Cartridges Did Not Constitute an Unfair Trade Practice Jurist special issue, Important Cases of Reiwa 5 (2023) no.1597 pp.230–231
2024.03 Presentation Predatory Innovation and the Antimonopoly Act Japan Competition Law Forum
2024.03 Commentary Distribution agreement Global Dictionary of Competition Law, Concurrences, Art. N° 86010
2024.01 Presentation The Goals of Competition Law, Economic Welfare, and Ideology University of Tokyo KAKENHI research meeting
2023.12 Presentation Interplay of the Japanese Anti-monopoly Act and Blockchain Institute for Future Law, Seikei University
2023.12 Presentation How do we define illegal ‘self-preferencing’ under the Japanese Anti-monopoly Act? ASCOLA Asia 2023 (Kyoto University)
2023.10 Presentation The Goals of Competition Law and Ideology Advanced Competition Law Practice Study Group
2023.10 Article Interplay of the Japanese Anti-monopoly Act and Blockchain NBL no.1252 pp.4–14
2023.10 Presentation Research on the Place of the Concept of Economic Welfare and of Ideology in the Debate on the Goals of Competition Law (Final Report) CPRC Final Report Workshop
2023.10 Case note A Case Holding that Disadvantageous Treatment of Customers because of Their Dealings with a Competitor Constituted Private Monopolization Hogaku Seminar special issue, Sokuho Hanrei Kaisetsu no.33 pp.271–274
2023.09 Article Reconstructing the Concept of Exclusion in Private Monopolization Annual Report of the Japan Association of Economic Law, “Theoretical Issues in Merger Control”
2023.07 Article ‘Self-Preferencing’ under the Japanese Anti-monopoly Act Seikei Hogaku no.98 pp.171–202
2023.06 Case note A Case Holding that Disadvantageous Treatment of Customers because of Their Dealings with a Competitor Constituted Private Monopolization Shin Hanrei Kaisetsu Watch (Economic Law) No.88
2022.12 Presentation “New Exclusion” and the Antimonopoly Act Tohoku Economic Law Study Group
2022.12 Presentation Self-Preferencing by Digital Platforms and Competition Law Kansai Economic Law Study Group
2022.11 Presentation The Goals of Competition Law, Economic Welfare, and Ideology CPRC Interim Report Workshop
2022.10 Presentation Reconstructing the Concept of Exclusion in Private Monopolization Japan Association of Economic Law, 2022 Annual Conference
2022.09 Presentation Reconstructing the Concept of Exclusion in Private Monopolization Kansai Economic Law Study Group
2022.07 Presentation Above Cost Predatory Pricing and Private Monopolization ASCOLA 2022 (Universidade Católica Portuguesa)
2022.06 Presentation The Background and Developments of FTC v. Facebook in the United States Shojihomu Antimonopoly Law Study Group
2022.04 Case note U.S. and EU Antitrust Case Studies (No. 140): New Developments in the Regulation of Refusals to Deal in the EU — The Slovak Telekom Judgment of the Court of Justice Kosei Torihiki no.858 pp.70–77
2022.04 Book Reconstructing the Concept of Exclusion in Private Monopolization Shojihomu (ix, 235 pp.)
2022.04 Case note A Case Finding Unlawful Tying against Compatible Products Hogaku Seminar special issue, Sokuho Hanrei Kaisetsu no.30
2021.12 Case note A Case Finding Unlawful Tying against Compatible Products Shin Hanrei Kaisetsu Watch (Economic Law) No.79
2021.10 Case note A New EU Case on Margin Squeeze and Refusal to Deal — The Slovak Telekom Judgment of the Court of Justice International Business Law Executive Summary (IBLES) no.52
2021.07 Case note A Case on the Maintenance and Expansion of Monopoly and Monopsony Power over Fighters by a Mixed Martial Arts Promoter (Le v. Zuffa LLC, 216 F. Supp. 3d 1154) International Business Law Executive Summary (IBLES) no.50
2021.06 Presentation New Developments in the Regulation of Refusals to Deal in the EU — The Slovak Telekom Judgment of the Court of Justice Shojihomu Antimonopoly Law Study Group
2021.04 Presentation The Basis and Challenges of Regulating Unilateral, Direct Refusals to Deal Tokyo Economic Law Study Group
2021.02 Peer-reviewed article The Regulatory Basis for Unilateral Refusals to Deal in Japan Osaka Law Review vol.70 no.5 pp.1017–1082
2021.01 Presentation Research on the Place of the Concept of Economic Welfare and of Ideology in the Debate on the Goals of Competition Law Competition Policy Research Center (CPRC), Japan Fair Trade Commission
2021.01 Peer-reviewed article Regulating Predatory Pricing as a Form of Private Monopolization in Japan (4) Hogaku Ronso vol.187 no.3 pp.77–105
2020.12 Presentation The Regulation of Exclusionary Private Monopolization and Economic Welfare Contract and Equality Study Group
2020.11 Presentation The Basis and Challenges of Regulating Unilateral, Direct Refusals to Deal Kansai Economic Law Study Group
2020.09 Presentation A Case on the Maintenance and Expansion of Monopoly and Monopsony Power over Fighters by a Mixed Martial Arts Promoter (Le v. Zuffa LLC, 216 F. Supp. 3d 1154) Shojihomu Antimonopoly Law Study Group
2020.08 Case note Spirit Airlines Case: An Analysis of the Judgment of the Sixth Circuit Kosei Torihiki no.838 pp.91–98
2020.07 Peer-reviewed article Regulating Predatory Pricing as a Form of Private Monopolization in Japan (3) Hogaku Ronso vol.187 no.1 pp.104–119
2020.07 Peer-reviewed article Regulating Predatory Pricing as a Form of Private Monopolization in Japan (1) (2) Hogaku Ronso vol.186 no.3 pp.78–101 and vol.186 no.4
2020.02 Presentation The Role of Competition Law and Policy in Human Resources (Competition in Services Provided by Individuals) 8th meeting, International Economic Law and Policy Research Network
2020.02 Presentation A Case Accepting the Reasonableness of Expert Testimony Showing a Possibility of Recoupment through Prices above Average Variable Cost and Remanding the District Court Judgment — Spirit Airlines, Sixth Circuit Shojihomu Antimonopoly Law Study Group
2019.12 Presentation Revisiting the Regulation of Predatory Pricing Kansai Economic Law Study Group
2019.11 Presentation Regulating Predatory Pricing as a Form of Private Monopolization in Japan Tokyo Economic Law Study Group
2019.03 Doctoral dissertation Reconstructing the Concept of Exclusion in Private Monopolization: Focusing on the Actor’s Intent Doctoral dissertation, Graduate School of Law, Kyoto University
2017.10 Case note Regulation of Selective Price Cuts under EU Competition Law: Post Danmark I Kosei Torihiki no.802 pp.80–85
2017.04 Peer-reviewed article The Role of Intent for Identifying Exclusionary Conduct: A Comparative Analysis between the Japanese Antimonopoly Act and the U.S. Antitrust Law (2, final) Aoyama Law Forum (ALF) vol.5 no.2 pp.235–268
2016.12 Presentation A Case on Whether Selective Price Cuts Constitute an Exclusionary Abuse Antimonopoly Law Study Group, Kyoto Comparative Law Center
2016.07 Peer-reviewed article The Role of Intent for Identifying Exclusionary Conduct: A Comparative Analysis between the Japanese Antimonopoly Act and the U.S. Antitrust Law (1) Aoyama Law Forum (ALF) vol.5 no.1 pp.79–112
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researchmap: https://researchmap.jp/sei_shishido/?lang=en