Awards
Hiromi Hattori is a partner at Nagashima Ohno & Tsunematsu. She has extensive experience in general corporate legal affairs, with a focus on M&A, private equity and acquisition finance.
While on secondment to a major general trading company, she was involved in cross-border projects related to the energy business field, such as oil and gas, and venture investment projects.
Awards:
The Legal 500 Asia Pacific 2025 Next Generation Partners “Banking and finance”
The Best Lawyers in Japan 2026 “Corporate and Mergers and Acquisitions Law”, “Private Equity, Private Funds and Venture Capital Law”
IFLR1000 2025 Notable practitioner “Banking and finance”
asialaw 2024 Leading Lawyers “Banking and finance”
Practice Areas
Education/Professional Experience
- 2005
- Keio University (LL.B.)
- 2007
- The University of Tokyo School of Law (J.D.)
- 2008 -
- Nagashima Ohno & Tsunematsu
- Oct 2011 -
Sep 2012 - Adjunct Lecturer, The University of Tokyo School of Law
- 2014
- Columbia Law School (LL.M.)
- 2014 - 2015
- Ropes & Gray LLP, New York
- 2017 - 2018
- Mitsubishi Corporation
- 2021 - present
- Partner, Nagashima Ohno & Tsunematsu
Awards
Seminars
-
November 14, 2023 (Tue) -Book Launch Seminar “ESG Legal Practice”: Part 3 – “Key Issues in ESG Legal Practice -Social”
- Ayumi Fukuhara
- Hiromi Hattori
- Yuichi Miyashita
Online (On-Demand)
- Global Investigations / Crisis Management / Compliance
-
October 31, 2023 (Tue) - December 20, 2024 (Fri)
Book Launch Seminar “ESG Legal Practice”: Part 2 – “Key Issues in ESG Legal Practice – Environment”
- Jiro Mikami
- Kiyoshi Honda
- Hiromi Hattori
Online (On-Demand)
- Infrastructure/Energy/Environment
-
December 7, 2022 (Wed) 15:00 - 16:30
Book Launch Seminar “Carbon Neutrality Legal Practice”: Part 3— “Corporate Disclosures and Financing for Carbon Neutrality”
- Hiromi Hattori
- Yuichi Miyashita
Online (Live & On-Demand)
- Infrastructure/Energy/Environment
Publications
-
Articles
Chambers Global Practice Guides Acquisition Finance 2025 Japan – Law & Practice
(May 2025)
Jiro Mikami, Ryo Okubo, Hiromi Hattori, Tomohiro Koyasu (Co-author)
- Finance
- Acquisition Finance
-
Articles
In-Depth: Sustainable Finance Law – Edition 3 Japan
(December 2024)
Hiromi Hattori, Yuichi Miyashita (Co-author)
- Finance
- Capital Markets
- Banking
- Infrastructure/Energy/Environment
-
Articles
In-Depth: Sustainable Finance Law – Edition 2 Japan
(December 2023)
Hiromi Hattori, Yuichi Miyashita (Co-author)
- Finance
- Capital Markets
- Banking
- Environmental Law
-
Articles
Chambers Global Practice Guides Acquisition Finance 2023 Japan – Law & Practice
(June 2023)
Jiro Mikami, Ryo Okubo, Hiromi Hattori (Co-author)
- Finance
- Acquisition Finance
