
Lexi Takamatsu
Counsel


Lexi Takamatsu
Lexi Takamatsu
Counsel
Tokyo
English / Japanese
+81-3-6266-8788
+81-3-6266-8788
Introduction
Lexi is a US-qualified international arbitration lawyer with bilingual fluency in Japanese. She regularly acts as lead counsel in international arbitration matters, with a particular emphasis on construction disputes involving Japanese parties. She is a member of the YSIAC Council, the IBA Arb40 committee, the SVAMC Asia Working Group, and the Daini Tokyo Bar Association International Arbitration PG. Before becoming an international arbitration specialist, she practiced US federal litigation, and completed a prestigious federal judicial clerkship in the Central District of California.
Seminars
Past
October 25, 2023 (Wed)“Ask the Experts—Expedited & Emergency Procedures in International Arbitration Leading into 2024—Is Faster Better and Who Really Benefits?”External Seminars
Past
September 20, 2023 (Wed) 6:30~8:00 (JST)"Let’s debate night on 'Preliminary Arbitrator Views the Path to Smarter and More Efficient Arbitration?' "External Seminars
Past
March 5, 2025 (Wed) 3:00 p.m. - 5:00 p.m. (JST)“Japan/U.S. Seminar: The Current U.S. M&A and National Security Environment”Mori Hamada Seminars
【Kirkland & Ellis LLP】 Sarkis Jebejian, Ivan A. Schlager, Marshall P. Shaffer【Mori Hamada & Matsumoto】Past
February 25, 2025 (Tue) 4:00 p.m. - 5:00 p.m."GAR / Lexology Masterclass – Construction Arbitration in APAC: Trends and Tips"External Seminars
Past
November 21, 2024 (Thu) 2:00 p.m. - 3:00 p.m. (JST)“Insights from Japan and Beyond: Regional Enforcement”External Seminars
Past
Past
November 5, 2024 (Tue) 3:00 p.m. - 6:30 p.m. (JST)“Arbitration Insights: Bridging Japan and Hong Kong”External Seminars
Past
November 1, 2024 (Fri) 9:00 a.m. - 10:30 a.m. (KST)❝Navigating the Use of AI in Arbitration❞External Seminars
Past
October 29, 2024 (Tue) 9:00 a.m. - 12:00 p.m. (KST)“The Art of Cross-Examination: Mock Proceedings and a Discussion on Effective Cross-Examination”External Seminars
Past
October 5, 2024 (Sat) 6:00 p.m. - 7:00 p.m. (JST)“The Role of the Modern Tribunal Secretary”External Seminars
Past
March 13, 2024 (Wed) 12:45 p.m. - 2:00 p.m. (PDT)"International Arbitration and Practice in Japan"External Seminars
Past
October 25, 2023 (Wed)“Ask the Experts—Expedited & Emergency Procedures in International Arbitration Leading into 2024—Is Faster Better and Who Really Benefits?”External Seminars
Past
September 20, 2023 (Wed) 6:30~8:00 (JST)"Let’s debate night on 'Preliminary Arbitrator Views the Path to Smarter and More Efficient Arbitration?' "External Seminars
Past
March 5, 2025 (Wed) 3:00 p.m. - 5:00 p.m. (JST)“Japan/U.S. Seminar: The Current U.S. M&A and National Security Environment”Mori Hamada Seminars
【Kirkland & Ellis LLP】 Sarkis Jebejian, Ivan A. Schlager, Marshall P. Shaffer【Mori Hamada & Matsumoto】Past
February 25, 2025 (Tue) 4:00 p.m. - 5:00 p.m."GAR / Lexology Masterclass – Construction Arbitration in APAC: Trends and Tips"External Seminars
Past
November 21, 2024 (Thu) 2:00 p.m. - 3:00 p.m. (JST)“Insights from Japan and Beyond: Regional Enforcement”External Seminars
Past
Past
November 5, 2024 (Tue) 3:00 p.m. - 6:30 p.m. (JST)“Arbitration Insights: Bridging Japan and Hong Kong”External Seminars
Past
November 1, 2024 (Fri) 9:00 a.m. - 10:30 a.m. (KST)❝Navigating the Use of AI in Arbitration❞External Seminars
Past
October 29, 2024 (Tue) 9:00 a.m. - 12:00 p.m. (KST)“The Art of Cross-Examination: Mock Proceedings and a Discussion on Effective Cross-Examination”External Seminars
Past
October 5, 2024 (Sat) 6:00 p.m. - 7:00 p.m. (JST)“The Role of the Modern Tribunal Secretary”External Seminars
Past
March 13, 2024 (Wed) 12:45 p.m. - 2:00 p.m. (PDT)"International Arbitration and Practice in Japan"External Seminars
Past
October 25, 2023 (Wed)“Ask the Experts—Expedited & Emergency Procedures in International Arbitration Leading into 2024—Is Faster Better and Who Really Benefits?”External Seminars
Past
September 20, 2023 (Wed) 6:30~8:00 (JST)"Let’s debate night on 'Preliminary Arbitrator Views the Path to Smarter and More Efficient Arbitration?' "External Seminars
Related Topics
Profile
Background
University of Southern California (B.A., 2008)
U.C. Berkeley, School of Law (J.D., 2015)
Law Clerk for the U.S. Federal District Court of the Central District of California (2015-2016)
Skadden, Arps, Slate Meagher & Flom (Los Angeles, 2016-2018)
Morrison & Foerster (Tokyo, 2018-2020)
Major Activities
- Member of YSIAC (Young SIAC) Council (2023-)
- IBA Arb40 Steering Committee Member (2024-)
Qualifications & Affiliations
Admitted in California, 2015
admitted as a registered foreign lawyer, 2021
membership: Daini Tokyo Bar Association
admitted as a registered foreign lawyer, 2021
membership: Daini Tokyo Bar Association
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