- Languages
- JapaneseEnglish
Contact Information
- TEL
- +1-646-255-1158 (New York)
- +81-3-5223-7757 (Tokyo)
- FAX
- +1-646-255-1149 (New York)
- +81-3-5223-7657 (Tokyo)
Practice Areas
-
Competition/Antitrust
- International Practice
- Crisis Management
- Disputes/Dispute Resolution
- Regulatory/Regulated Transactions
Work Highlights
- Teijin Pharma to acquire four diabetes products in Japan from Takeda (February 2021)
- Acquisition of RBI GmbH and LEAS GmbH by JRC mobility (April 2020)
- Sale of Hitachi Chemical to Showa Denko by Hitachi (November 2019)
- Business integration of Hitachi Automotive Systems, Keihin, Showa and Nisshin Kogyo (October 2019)
Aruto Kagami：Awards
- Awards
- MHM lawyers selected in "Who’s Who Legal: Japan 2024"
- Awards
- The Best Lawyers in Japan™ and Best Lawyers: Ones to Watch in Japan™ (2025 edition)
- Awards
- MHM lawyers selected in “Who’s Who Legal: Global Practice Area Report 2023” and “Thought Leaders Report 2023”
Aruto Kagami：News
- Firm News
- MHM holds seminars and reception celebrating the opening of the New York Office
- Firm News
- Opening of New York Office
- Firm News
- Mori Hamada & Matsumoto to open New York office
Aruto Kagami：Seminars
- Nov. 28, 2023External Seminars
- “Trends in Global Enforcement and Expectations for Compliance Programs”
- Nov. 21, 2014External Seminars
- "Leniency and Global Coordination in Cartel Enforcement"
Aruto Kagami：Publications
- Book
- ”Comprehensive Analysis of M&A Laws of Japan, 2nd edition”
- Book
- "Japanese Anti-monopoly Act- Annotated 2nd Edition"
- Book Article
- "Indonesian Business Law and Practice"
Aruto Kagami：Other
Background
- Kyoto University (LL.B., 2001)
- with Irokawa Law Office (2002-2009, 2013-2014)
- University of California, Berkeley, School of Law (LL.M., 2010)
- with Bingham McCutchen, New York (2010-2011)
- with Sumitomo Electric Industries, Ltd. (2011)
- with Sumitomo Electric Finance UK Limited, London (2011-2013)
- King’s College London, Centre of European Law (PG Diploma in EU Competition Law, 2012)
- King’s College London, Centre of European Law (PG Diploma in Economics for Competition Law, 2013)
- King's College London, Centre of European Law (Master of Arts in Economics for Competition Law, 2014)
Major Activities
- International Committee member, Daini-Tokyo Bar Association (2021-)
- Ambassador of the Antitrust Law Section, American Bar Association (2023-)
Bar Admissions
admitted in Japan, 2002; New York, 2011
Daini-Tokyo Bar Association
New York State Bar Association