Anderson Mori & Tomotsune handles a diverse spectrum of disputes, including international arbitration, commercial litigation, shareholder conflicts, product liability issues, and cross-border trade disputes. Hiroki Wakabayashi is highly regarded for his deep expertise in dispute resolution across both domestic and international matters. He regularly advises and represents a broad clientele of Japanese and foreign corporations in disputes involving commercial transactions, IT system development, shareholder derivative claims, real estate matters, administrative actions, professional negligence, white-collar investigations, and employment-related conflicts. When it comes to complex business disputes, such as those arising from joint ventures, licensing agreements, construction projects, product liability, and financial instruments, clients frequently turn to Aoi Inoue for strategic counsel and representation. He is especially noted for his work in cases involving labour and employment matters. Masahiro Yano brings wide-ranging experience to litigation and alternative dispute resolution, including mediation and international arbitration, where he advises on multifaceted commercial disagreements involving both domestic and overseas parties.
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Work Department
International Arbitration, Litigation
Position

Partner and Head of International Arbitration

Career

Mr. Aoi Inoue is a partner and the Head of the International Arbitration practice at Anderson Mori & Tomotsune. He specializes in international arbitration and litigation. He represents clients in a wide range of business disputes, including joint venture, construction and infrastructure projects, distributorship, licensing, franchising, complex financial products, labor & employment and product liability. He has acted as counsel in a number of international arbitrations under various rules including the ICC, SIAC, HKIAC, AAA-ICDR, JCAA, CIETAC, VIAC and UNCITRAL. He also serves as arbitrator and has been appointed to the panel of arbitrators of the JCAA, KCAB INTERNATIONAL and Japan Sports Arbitration Agency (JSAA). He has been recognized as a leading arbitration lawyer in Lexology Index Thought Leaders: Arbitration, Chambers and Partners, The Legal 500, Best Lawyers and Benchmark Litigation.

Mr. Inoue received his LL.B. from the University of Tokyo, and holds an LL.M. from Columbia Law School. He is admitted to practice in Japan (2004) and New York (2011). He worked for Hughes Hubbard & Reed LLP, a New York law firm as a visiting attorney (2010 to 2011) before he resumed his position at Anderson Mori & Tomotsune. He co-authored Law and Practice of International Commercial Arbitration (Maruzen-Yushodo, 2016).

Languages
Japanese (first language), English
Memberships
Member, Dai-ni Tokyo Bar Association Managing Director, Japan Association of Arbitrators (JAA) Fellow, Chartered Institute of Arbitrators (FCIArb) Member, International Chamber of Commerce - Commission on Arbitration and ADR Member, Singapore International Arbitration Centre (SIAC) Users Council Member, International Advisory Board of the Vienna International Arbitral Centre (VIAC)
Education

The University of Tokyo (LL.B, 2001); Columbia University School of Law (LL.M, 2010)

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Testimonials

Collated independently by Legal 500 research team.

  • ‘AMT has very talented litigation lawyers who are familiar with foreign practice as well. Unlike the other traditional Japanese law firms, they understand the commercial interests of foreign firms and take action based on that. They also have strong collaboration with foreign law firms as well as Japanese academic scholars. ’

    ‘The team at Anderson Mori & Tomotsune is distinguished by the strong strategic direction provided by its partners. This leadership allows them to effectively organise large-scale teams and establish a robust operational framework capable of managing a significant volume of cases with high efficiency.'

    ‘‘This dispute resolution team is composed of excellent partner attorneys and many quick-moving junior attorneys. They not only inspire confidence but also swiftly deliver satisfying results.’

    ‘Mr. Kei Akagawa skillfully leads this team with great efficiency. He keeps lines of communication open with clients and proactively designs the best operational framework for his team.’

    ‘Hiroki Wakabayashi is a former judge and possesses deep insight into how Japanese courts evaluate cases and what strategies are effective in relation to them. He has a strong professional network among Japanese attorneys, including close collaboration with attorneys at boutique firms specialising in disputes.’

    ‘Led by Mr.Aoi Inoue, the team has ample experience in domestic and international dispute resolution. Based on that experience, they can provide specific suggestions on how to scrutinise contract contents and avoid risks.’

    ‘Mr. Aoi Inoue is a leading arbitration lawyer and listens to his customers' problems, explains issues and solutions from a broad perspective in an easy-to-understand way, And under him, team members, each well-experienced in their own field, solve problems satisfactorily.'

    ‘Extensive experience in litigation. A reliable technique backed by such experience.’

Key clients

  • Zeon Corporation Taiwan Semiconductor Co., Ltd. and Taiwan Semiconductor Japan Ltd. Mitsuiwa Corporation Google LLC Shimizu Corporation JVCKENWOOD Corporation Dip Corporation

Work highlights

Advising Google in a high-profile litigation concerning user reviews on Google Maps—a core feature at the intersection of free speech and platform liability.
Defended Dip Corporation, a TSE-listed recruitment platform, in a landmark civil lawsuit over platform liability—following a 2024 incident in which an unknown third party used Dip’s system to target lawyers with thousands of fraudulent job applications.
Representing Suruga Bank in a wave of investor-led litigation involving allegations of misconduct related to real estate investment loans. As of January 2025, around 40 lawsuits have been filed nationwide—many raising complex legal and factual questions.