History
| March 2009 | Graduated from The University of Tokyo, Faculty of Law (LL.B.) |
| April 2009 - August 2010 | The Legal Training and Research Institute of the Supreme Court of Japan |
| August 2010 | Admitted to Japanese Bar (The Dai-ichi Tokyo Bar Association) |
| August 2010 | Momo-o, Matsuo & Namba |
| May 2016 | Master of Laws (LL.M.) at Columbia University, Law School (Harlan Fiske Stone Scholar) |
| August 2016 - June 2017 | Weil, Gotshal & Manges LLP in New York |
| 2017 | Admitted to New York Bar |
| July 2017 | Momo-o, Matsuo & Namba |
| January 2020 | Became Partner of Momo-o, Matsuo & Namba |
Publications
《English Translation of Title Only. Language of Publication is Japanese》
- Practice Manual for Petition of Corporate Bankruptcy (2nd Edition)
Co-author, Seirin Shoin (2020) - Legal Affairs regarding Finance by Venture Companies
General Editor, Shojihomu (2019)
News
The Global Outreach Practice Group has begun publishing practical articles for our non-Japanese clients. Hirotoshi Kakumoto of the Global Outreach Practice Group has authored an article on how to respond when a business counterparty becomes bankrupt. Please see the article at the link below:
Q&A: When a Business Counterparty Becomes Bankrupt (2025.12.09)
Masao Torikai, Hirotoshi Kakumoto and Masayuki Inui authored “Corporate Finance by Venture Companies (2nd edition)” published by Shojihomu (January 2022).
Hirotoshi Kakumoto have co-authored the book, "Practice Manual for Petition of Corporate Bankruptcy (2nd Edition)", issue of Seirin Shoin.
Hirotoshi Kakumoto has been promoted to partner in the firm as from January 2020.