Department profile
White & Case LLP

Competition/Antitrust

Asia-Pacific Guide 2026 : Japan

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White & Case LLP

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To learn more about our practice, please visit: whitecase.com/law

Chambers Review

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Competition/Antitrust - Japan

Band 3

What the Team is Known For
White & Case is regularly mandated by domestic and international clients in cartel and unfair trade investigations and ensuing class actions, as well as Phase I and II merger reviews. The firm leverages its notable US antitrust team to represent Japanese corporations in overseas investigations and also works closely with its offices elsewhere in Asia as well as Europe to obtain clearance for large-cap M&A deals.
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Work Highlights

Provided by Chambers

  • White & Case advised the distribution committee of Pharmaceutical Research and Manufacturing of America in Japan on antitrust and competition compliance.

Strengths

Provided by Chambers

  • They have strong connections with stakeholders in Japan and the US and play an important role by proposing effective and efficient options.

    Competition/Antitrust respondentAsia-Pacific

  • We can respond quickly to situations in multiple countries with one stop via White & Case's Tokyo office.

    Competition/Antitrust respondentAsia-Pacific

  • This team has a very high level of response capability, and in particular, it has a good team that considers the intentions of the Japanese competition authorities.

    Competition/Antitrust respondentAsia-Pacific

Notable Practitioners

Provided by Chambers

  • Takako Onoki
    Takako Onoki

    Takako Onoki

    Takako Onoki is an active counsel, supporting clients on a wide range of antitrust transactions. She is an emerging name in the field of competition and antitrust, focusing on cross-border mandates.

    • Takako has an in-depth knowledge of antitrust law, an understanding and inquisitive mindset of new complex business models, and a high level of communication skills. She also responds promptly.

      Competition/Antitrust respondentAsia-Pacific

    • Ms Onoki provides appropriate feedback on what we should do.

      Competition/Antitrust respondentAsia-Pacific

    • She is very kind and listens to what we have to say and then responds accordingly.

      Competition/Antitrust respondentAsia-Pacific
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  • Toshio Dokei
    Toshio Dokei

    Toshio Dokei

    Toshio Dokei is an experienced practitioner offering advice in relation to cross-border merger control and behavioural investigations.

    • He provides the necessary insights from very important information such as the intentions and information of the Japan Fair Trade Commission.

      Competition/Antitrust respondentAsia-Pacific
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Ranked Individuals at White & Case LLP (2)

Japan

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