Department profile
Anderson Mori & Tomotsune

Life Sciences

Asia-Pacific Guide 2026 : Japan

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Anderson Mori & Tomotsune

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About

Provided by Anderson Mori & Tomotsune

Anderson Mori & Tomotsune (“AMT”) has a long history of advising international and Japanese health care, health food industry, pharmaceutical and life sciences clients on virtually all legal and regulatory aspects of doing business in Japan. Our work spans intellectual property, pharmaceutical and medical device regulations, general corporate, M&As and joint ventures, corporate finance, employment, as well as dispute resolution.

Chambers Review

Provided by Chambers

Life Sciences - Japan

Band 1

What the Team is Known For

Anderson Mori & Tomotsune has a pre-eminent practice highly proficient in advising Japanese and international pharmaceutical companies on M&A and joint ventures. The firm is equally skilled in working on contentious patent infringement and invalidation claims and has a proven track record in providing assistance with licensing and distribution agreements, alongside regulatory matters in the medical device and pharmaceutical spaces. The team also provides advisory services to life sciences clients on competition and consumer law matters, such as advice on the Act against Unjustifiable Premiums and Misleading Representations.

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Work Highlights

Provided by Chambers

  • Anderson Mori & Tomotsune advised M3 on its tender offer for the common shares of ELAN.

Strengths

Provided by Chambers

  • The team provides advice based on our intentions and a deep understanding of our business, offering courteous service and speedy responses.

    Life Sciences respondentAsia-Pacific

  • Regardless of the project, in or outside of Japan, they can provide high-quality and prompt advice and support. They respond to all cases with a thorough understanding of the background information.

    Life Sciences respondentAsia-Pacific

Notable Practitioners

Provided by Chambers

  • Junichi Kondo
    Junichi Kondo

    Junichi Kondo

    Junichi Kondo is one of the best-known figures in the market, with a standout reputation for corporate and regulatory matters in this space.

    • We always receive practical advice based on our business situation.

      Life Sciences respondentAsia-Pacific

    • He provides advice that allows us to easily measure risks and also suggests creative ideas. He is absolutely a valuable adviser to our company.

      Life Sciences respondentAsia-Pacific
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  • Yasufumi Shiroyama
    Yasufumi Shiroyama

    Yasufumi Shiroyama

    Yasufumi Shiroyama is a key member of the life sciences team, utilising his IP expertise to handle patent disputes in this sector.

    • He has a wealth of experience in patent cases in the pharmaceutical industry, and we have a sense of trust in him on the cases we cannot afford to lose.

      Life Sciences respondentAsia-Pacific
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  • Hiroshi Ishihara
    Hiroshi Ishihara

    Hiroshi Ishihara

    Hiroshi Ishihara is a co-head of Anderson Mori's healthcare, pharmaceutical and life sciences department, and he routinely advises clients on regulatory issues and handles commercial transactions, such as licence agreements.

    • In addition to his own problem-solving skills, he can also lead us to a quick and appropriate solution to complex problems by involving the most suitable experts according to the problem.

      Life Sciences respondentAsia-Pacific
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Ranked Individuals at Anderson Mori & Tomotsune (3)

Japan

Members

Provided by Anderson Mori & Tomotsune

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