Hideki Utsunomiya


Hideki Utsunomiya

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Contact Information


Practice Areas

Work Highlights

  • Sale of Hitachi Metals by Hitachi to Bain Capital (May 2021)​
  • Carve-out M&A of overseas home appliance business by Hitachi Global Life Solutions (Established a joint venture with ARÇELİK A.Ş., a major Turkish company) (December 2020)

Hideki Utsunomiya:Awards

The Best Lawyers in Japan™ and Best Lawyers: Ones to Watch in Japan™ (2025 edition)
Top rankings received from The Legal 500 Asia Pacific 2024
Top rankings received from Chambers Asia-Pacific 2024

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Hideki Utsunomiya:News

Public Service
Hideki Utsunomiya became the member of Study Group on Data and Competition Policy, Japan Fair Trade Commission
Firm News
Firm Elects 9 Associates to Partnership
Firm News
Our firm held the MHM seminar and hosted a reception afterward

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Hideki Utsunomiya:Seminars

Aug. 26, 2021External Seminars
”Cartel regulation in the Asia-Pacific region"
Jun. 17, 2021External Seminars
"Panel "Refining competition policy in regulating the digital economy""
May 21, 2015External Seminars
"2nd GRAND Panel - Ask the Experts - Enforcement In Other Countries - Japan, India, HK, China, USA - Q/A"

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Hideki Utsunomiya:Publications

”Comprehensive Analysis of M&A Laws of Japan, 2nd edition”
Magazine Other
"GCR Digital Markets Guide - Second Edition CHAPTER 18 Japan"
"Japanese Anti-monopoly Act- Annotated 2nd Edition"

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Hideki Utsunomiya:Other


  • The University of Tokyo (LL.B., 1999)
  • New York University School of Law (LL.M., 2006)
  • with Arnold & Porter LLP in Washington, D.C. (2006-2007)

Major Activities

  • Part-time lecturer (Economic Law) at Keio University Law School (2011-2023)
  • Member of the Antitrust Legislation Study Group, The 21st Century Public Policy Institute, Nippon Keidanren (2012)
  • Member of Study Group on Data and Competition Policy, Japan Fair Trade Commission (2017-2018)

Practice Group

  • Competition/Antitrust Law Practice Group

Bar Admissions

admitted in Japan, 2000
Tokyo Bar Association