Hiroaki Matsunaga

  • Partner
  • Admitted, 2007, Japan; 2017, New York
  • Languages: Japanese, English
  • Practice Areas
  • Professional Background / Education
  • Publications / Presentations

Professional Background / Education

Professional Background

Nishimura & Asahi
2013 to Present
City-Yuwa Partners
Research Assistant of International Competition Law to Professor Eleanor M. Fox at the New York University School of Law
Hunton & Williams LLP (Washington D.C. Office) (Foreign Law Clerk)
Shearman & Sterling LLP (Washington D.C. Office) (Visiting Trainee)


The University of Tokyo (LL.B.)
The University of Tokyo Graduate School of Law (J.D.)
Legal Training and Research Institute
New York University School of Law (LL.M. in Competition, Innovation, and Information Law)

Publications / Presentations

  • "Antitrust Case News - Commission's decision revoking the administrative surcharge which was imposed twice on the same bidding case" (in "Jurist" Vol. 1554, February 2021, Yuhikaku Publishing Co., Ltd., 2021) (in Japanese)
  • "Transportation laws and regulations, legal position of individual drivers and distribution of legal responsibility related to food delivery in Japan" (CY Japan Legal Update / Lexology, 2020)(PDF)
  • "The Legal 500: Cartels Country Comparative Guide - Japan: Cartels" (The Legal 500: Cartels Country Comparative Guide 2nd Edition, April, 2020)(PDF)
  • "Antitrust Case News - Merger Case in Which So-called "Failing Firm Defense" Was Essentially the Only Issue" (in "Jurist" Vol. 1538, November 2019, Yuhikaku Publishing Co., Ltd., 2019) (in Japanese)
  • "Antitrust Case News - Refusal to Admit New Members by Trade Association Which Has Entered into Insurance Agreement Necessary for Entering the Market" (in "Jurist" Vol. 1522, August 2018, Yuhikaku Publishing Co., Ltd., 2018) (in Japanese)
  • "Practice of Insider Trading Regulations (The second edition)" (co-author, Shojihomu Co., Ltd., 2014) (in Japanese)
  • "Corporate Scandal Management with Examples" (co-author, Keidanren Shuppan, 2012) (in Japanese)
  • "Analysis of Three Court Cases Concerning Whether Delaware Limited Partnership Falls under Corporation as Defined in Japanese Tax Law" (co-author, in "Zeimu Koho Vol. 60", Chuokeizai-sha, Inc., 2012) (in Japanese)
  • "Tax Collection Case/Moment When Aggregate Claim Becomes Mortgaged Property" (in "Sozei Soshou Vol. 5", Zaikei Shouhou-sha, 2012) (in Japanese)
  • "Practice of Insider Trading Regulations" (co-author, Shojihomu Co., Ltd., 2010) (in Japanese)


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