Department profile
Momo-o, Matsuo & Namba

Competition/Antitrust

Asia-Pacific Guide 2026 : Japan

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Momo-o, Matsuo & Namba

Rankings

Chambers Review

Provided by Chambers

Competition/Antitrust - Japan

Band 4

What the Team is Known For
Momo-o, Matsuo & Namba maintains a respected team highlighted for its prowess in antitrust compliance issues and often mandated as lead counsel in investigations. The firm frequently represents Japanese corporates in reviews into anti-competitive conduct by the JFTC as well as in conjunction with international co-counsel in other jurisdictions.
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Work Highlights

Provided by Chambers

  • Momo-o, Matsuo & Namba handled multijurisdictional coordination and the Japanese aspects of a capacitor multijurisdictional cartel case.

Strengths

Provided by Chambers

  • The MMN team have a particularly strong international focus on antitrust work. They provide quick and timely responses even under time pressure and also on complex questions.

    Competition/Antitrust respondentAsia-Pacific

Notable Practitioners

Provided by Chambers

  • Nobuaki Mukai
    Nobuaki Mukai

    Nobuaki Mukai

    Nobuaki Mukai enjoys a strong representation for his representation of Japanese corporates and individual defendants in investigations and follow-on litigation concerning anti-competitive behaviour.

    • Nobuaki is a seasoned and very well-versed antitrust lawyer.

      Competition/Antitrust respondentAsia-Pacific

    • He handled the case with great sensitivity and care, demonstrating a high level of expertise.

      Competition/Antitrust respondentAsia-Pacific

    • He is extremely bright, thoughtful and analytical. He is also good at anticipating issues and very experienced.

      Competition/Antitrust respondentAsia-Pacific
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Ranked Individuals at Momo-o, Matsuo & Namba (1)

Japan

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