The Guide to IP Arbitration - Second Edition
Hiroyuki Tezuka and Anne-Marie Doernenburg co-authored the chapter on “Arbitrability of IP Disputes” in Global Arbitration Review’s second edition of The Guide to IP Arbitration (2022).
Authors
External Seminars
- Singapore Convention Week 2025
External Seminars
- Roundtable on SIAC Arbitration
External Seminars
- SIAC Tokyo Conference 2024

Having worked in many different jurisdictions, including in Germany, London, Paris, and Washington D.C., Anne-Marie regularly advises corporations and governments on investor-state and commercial disputes, as well as related negotiations. She is dual-qualified (Germany/England & Wales) and comes from a trilingual background. Prior to joining Nishimura & Asahi, Anne-Marie worked at Freshfields Bruckhaus Deringer LLP from 2014 to 2018.
Dispute Resolution
Competition Law / International Trade
- The Modernized Energy Charter Treaty and Its Provisional Application
External Seminars
- IPBA Annual Meeting and Conference in Tokyo
Related Knowledge
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Forefront of International Mediation
Kyoto
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KCAB International in Tokyo
Tokyo
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IP & Legal Considerations for Investing in Japan
London
External Seminars
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Arbitration Through the Eyes of the Users: What Works and What Doesn’t
Seoul
External Seminars
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Seoul ADR Festival 2025
Seoul
External Seminars
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AI and Copyright landscape in Japan and Singapore
Robotics / Artificial Intelligence
Competition Law / International Trade


Hiroyuki heads our international dispute resolution practice. He specializes in international commercial litigation, arbitration, and mediation, and has represented many international clients, including multinational manufacturers, banking and securities firms, insurance companies, and information media companies, in disputes involving M&A, antitrust laws, corporate governance, insurance laws, intellectual property, defamation, joint ventures, licensing, construction, and other commercial matters, as well as international bankruptcy proceedings. He has been involved in a number of international arbitrations as counsel, sole arbitrator, and co-arbitrator (including chair) before the ICC, JCAA, AAA-ICDR, VIAC, KCAB, and SIAC.
Hiroyuki serves as Vice President of the Japan Association of Arbitrators and as Chief Director of the Japan International Mediation Center in Kyoto; formerly, he served as the Vice Chair of the Arbitration Committee of the IBA Legal Practice Division, and as Co-Chair of the Dispute Resolution and Arbitration Committee at the IPBA (2016-2020). From 2013 to 2016, he taught international arbitration and international dispute resolution at the University of Tokyo, School of Law as a visiting professor. He also served as a member of the International Court of Arbitration of the ICC (second term, through June 2024), a Council Member of the ICC Institute of World Business Law (ongoing, since 2018), and a member of the Court of Arbitration of the SIAC (2013-2024).