Awards
Nobuaki Ito is a partner at Nagashima Ohno & Tsunematsu. He provides a wide range of legal advice on antitrust and competition law matters, including merger control, cartel investigations, unilateral conduct, as well as other general corporate matters. He previously worked in the competition group of Ashurst (London office) as a visiting attorney from 2016 to 2017, and for the M&A Division of the Japan Fair Trade Commission as a Chief Investigator from 2017 to 2019 where he reviewed a number of high-profile M&A transactions (mainly in steel, pharmaceutical, chemical, IT, and energy sectors), and drafted the latest Merger Guidelines.
Practice Areas
Education/Professional Experience
- 2006
- Waseda University (B.A. in Politics)
- 2009
- Nagoya Law School (J.D.)
- 2010 -
- Nagashima Ohno & Tsunematsu
- 2016
- Columbia Law School (LL.M.)
- 2016 - 2017, 2019
- Ashurst, London
- 2017 - 2019
- Mergers and Acquisitions Division, Japan Fair Trade Commission
- 2022- present
- Partner, Nagashima Ohno & Tsunematsu
Awards
Seminars
-
September 4, 2025 (Thu) 15:00 - 17:00Global Competition Law Update: Key Insights and Critical Points from US, EU, and Japanese Lawyers
- Kaoru Hattori
- Yoshitoshi Imoto
- Ryohei Tanaka
Nagashima Ohno & Tsunematsu Tokyo Office
- Antitrust and Competition
- Antitrust and Competition Law Advice
-
October 19, 2023 (Thu) 15:00 - 17:10Latest Developments in Competition Law
- Kaoru Hattori
- Yoshitoshi Imoto
- Ryohei Tanaka
Nagashima Ohno& Tsunematsu (Tokyo)
- M&A
- Mergers & Acquisitions
- Antitrust and Competition
-
October 12, 2022 (Wed) -Recent Developments in Merger Review
- Ryohei Tanaka
- Nobuaki Ito
Online (On-Demand)
- M&A
- Mergers & Acquisitions
- Antitrust and Competition
-
March 30, 2022 (Wed) 22:15 - 23:45Merger prequels: What happens before the notification of a merger? The experience of competition lawyers. (Panel Discussion)
- Nobuaki Ito
Deville Prime Salvador (Brazil) / Online
- Antitrust and Competition
- Merger Control
Publications
-
Articles
The International Comparative Legal Guide to: Merger Control 2025 – Chapter 17 Japan
(December 2024)
Ryohei Tanaka, Tsuyoshi Isshiki, Nobuaki Ito, Haruki Koyama (Co-author)
- Antitrust and Competition
- Merger Control
-
Articles
The International Comparative Legal Guide to: Merger Control 2024 – Chapter 16 Japan
(December 2023)
Ryohei Tanaka, Nobuaki Ito, Keiichiro Ikawa (Co-author)
- Antitrust and Competition
- Merger Control
-
Articles
The International Comparative Legal Guide to: Merger Control 2023 – Chapter 19 Japan
(December 2022)
Ryohei Tanaka, Nobuaki Ito, Keiichiro Ikawa (Co-author)
- Antitrust and Competition
- Merger Control
-
Newsletters
Changes to rating algorithms used by online platform business operators may violate the Antimonopoly Act
Nobuaki Ito
- Antitrust and Competition
- Dispute Resolution