
Motoyasu Hirose
Lawyer: Japan, France / Patent Attorney
Profile and Expertise
Joined One Asia Lawyers in May 2026. Primarily handles matters relating to Europe and Africa, as well as South Asia. Holds bar qualifications and practical experience in both Japan and France, advising domestic and international corporations on a wide range of cross-border matters — including M&A transactions and disputes with complex or specialized issues in developed and emerging markets.
Particular expertise in global compliance (including data protection law) and science-related fields such as artificial intelligence.
Has served in leadership roles at the Union Internationale des Avocats (UIA) and maintains an extensive network of legal and other professionals worldwide.
- Experience
- Publications
- Seminars
- Newsletter
M&A
• Advised a Japanese resources company on the acquisition of a German entity following the insolvency of a trading partner
• Assisted a major Japanese consumer goods manufacturer in exiting a joint venture in the Philippines
• Advised a Japanese chemical venture on investment and dispute matters in Indonesia, Mongolia, and Spain
• Assisted a major Japanese retail department store chain in withdrawing from a joint venture in Germany
• Supported a Canadian agricultural company on investment and corporate restructuring in Japan
• Advised a major Japanese food manufacturer on startup support in Morocco
Dispute Resolution
• Assisted a Japanese industrial products manufacturer in complex litigation proceedings in France
• Handled a construction dispute in France for a Japanese asset management company
• Managed an intellectual property dispute in India for a Japanese automotive-related company
• Represented and supported a Japanese pharmaceutical manufacturer in international arbitration
• Supported a major Japanese insurance company in international arbitration and settlement negotiations
• Assisted a Moroccan machinery manufacturer in a commercial dispute with a Japanese counterparty
Global Compliance
• Advised a major Japanese automaker on the development of anti-bribery programs and internal whistleblowing systems
• Assisted a major Japanese financial institution in establishing a compliance framework for a joint venture with a U.S. company
• Conducted due diligence for a major French power utility on a Japanese trading company counterparty
• Supported an internal investigation into corporate misconduct for a U.S. apparel company
• Assisted a major Japanese telecommunications provider in contract execution across multiple jurisdictions
• Helped an international environmental organization establish a compliance framework in Japan
Artificial Intelligence
• Advised a U.S.-based AI venture on its Japan startup operations, including contract negotiation and compliance management
Emerging Markets
• Conducted legal research and other support in Kenya, Tanzania, Uganda, Zimbabwe, Zambia, and the Democratic Republic of the Congo for a Japanese industrial products company
• Assisted a Japanese machinery manufacturer in litigation over counterfeit goods in Costa Rica
• Supported a Japanese nanotechnology venture in commercial transactions and dispute resolution in Mongolia
• Assisted a Japanese general contractor in resolving a dispute over infrastructure works in Algeria
• Supported a Japanese energy company in negotiations with counterparties on a power project in Saudi Arabia
"The Handbook of Trade Enforcement 2008 (Japanese Anti-Dumping Regulations)," Global Competition Review, 2008
"Overview of the 2012 Revision of the ICC Arbitration Rules," International Commercial Law, Vol. 39, No. 12, December 2011
"Intellectual Property Laws in North Africa - with a Focus on Moroccan Patent Law," IP Forum, Vol. 97, Spring 2014
"Investment and Legal Frameworks in North African Emerging Markets - Focus on Company Law in Maghreb Countries including Morocco," JCA Journal, Vol. 61, No. 5, May 2014
"Strategic Use of Anti-Bribery Laws and International Arbitration," Shoji-Homu, 2015
"Prevention of Bribery Involving Foreign Public Officials and Private Parties -with Special Reference to the Sports Sector," Jurist, No. 1497, September 2016
"Compliance - Challenges and Opportunities for the Legal Profession: International Trade Control and Compliance: A Perspective From Japan," UIA - LexisNexis Publications Collections, 2017
"Legal Practice on Cross-Border Transfer of Personal Data," Chuo Keizaisha, 2019
"French and African Legal Systems and IP Strategy" Intellectual Property Research Institute (May 2015)
"Corporate Defense in Crisis Situations" Tokyo Bar Association / UIA (July 2015)
"Anti-Bribery Laws and Their Strategic Use" United Nations Asia and Far East Institute for the Prevention of Crime and the Treatment of Offenders (UNAFEI) (November 2015)
"M&A and Investment Issues in Japan" American Bar Association (November 2015)
"Latest Developments in European Business Transaction Law" Tokyo Bar Association / UIA (May 2016)
"Practical GDPR Compliance" URYU & ITOGA (July 2018)
"Legal Considerations for E-Commerce Business Expansion in the European Market" French Chamber of Commerce and Industry in Japan (CCIFJ) (July 2019)
"The Latest Situation of Asian Nations regarding Data Protection Laws - From a Comparative Perspective with GDPR and Chinese Data Protection Law" LAWASIA (September 2022)
"Legal Risk Hedging for Russian Investments under the Ukraine Invasion" Japanese Society of International Law (13th Autumn Research Conference) (November 2022)
"Diversity & Inclusion and Well-being in the Legal Profession" American Bar Association (ABA) / Tokyo Bar Association Joint Session (March 2023)
"Dialogue in the Employment Relationship in France and in Japan" Association des Avocats Japonophiles (November 2023)
"A Road to Human Rights Due Diligence - PANEL #3: Anti-Corruption" Tokyo Bar Association / UIA Joint Seminar (March 2024)
Education/Background
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2001 Passed the Japanese Bar Examination
2002 Graduated from the University of Tokyo, Faculty of Law (LL.B.)
2004–2005 Completed Statutory Legal Trainee Course
2005 Admitted to the Dai-ni Tokyo Bar Association (2012- Tokyo Bar)
2005 Joined Anderson Mori & Tomotsune
2009 Obtained Master's degree in Business Law (DSU), Université Paris II
2009 Joined Hashimoto & Partners (Paris)
2009–2011 Part-time lecturer, EURASIAM University (Paris)
2010 Passed the French Bar Examination; Admitted to the Paris Bar
2012 Joined URYU & ITOGA
2016 Became Partner at URYU & ITOGA
2017–2020 Vice-Chairperson, International Committee, Tokyo Bar Association
2023–2026 President, Japan National Committee, Union Internationale des Avocats (UIA)
Admitted/Professional Experience
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Tokyo Bar Association (Member, International Committee)
Paris Bar (Barreau de Paris)
Union Internationale des Avocats (UIA)
Association des Avocats Japonophiles (Japan-France Lawyers' Association)
Languages
Japanese, English, French, Spanish, German
Contact
motoyasu.hirose@oneasia.legal
+81-3-6550-9000 (Tokyo, Jaoan)

