Department profile
Abe, Ikubo & Katayama

Life Sciences

Asia-Pacific Guide 2026 : Japan

Share profile

Abe, Ikubo & Katayama

Rankings

About

Provided by Abe, Ikubo & Katayama



With a wide range of experience and knowledge in the life sciences field, we provide our clients with advice that draws upon various perspectives that takes into consideration intellectual property, research ethics, conflicts of interest, as well as anti-trust law relating to research and development, clinical trials, and sales of new drugs and medical devices by domestic and overseas pharmaceutical companies and research institutes. Regarding pharmaceutical products that have received approval and are being marketed, we advise on regulatory issues relating to pharmaceuticals as well as on patent rights and patent term extensions, and have been extensively involved in numerous JPO trials and litigation regarding such matters. We also advise medical institutions on malpractice litigation.


Chambers Review

Provided by Chambers

Life Sciences - Japan

Band 3

What the Team is Known For

Abe, Ikubo & Katayama is renowned for its strengths in handling high-stakes domestic patent disputes, and counts a number of major international pharmaceutical companies among its clients. The team is particularly skilled in assisting with High Court appeals and maintains a portfolio of work that also includes patent term extensions and negotiations involving generic companies. It offers additional support in patent prosecution and protection strategy, as well as invalidation actions.

View ranking table

Work Highlights

Provided by Chambers

  • Abe, Ikubo & Katayama advised Nippon Shinyaku on a suit filed by Sarepta alleging a Japanese patent infringement with regard to the client's novel drug Villtepso.

Strengths

Provided by Chambers

  • This law firm has a high level of expertise and deep insight into patent matters in the pharmaceutical field based on its extensive practical experience.

    Life Sciences respondentAsia-Pacific

  • They are excellent in patent litigations, particularly in pharmaceutical field.

    Life Sciences respondentAsia-Pacific

Notable Practitioners

Provided by Chambers

  • Mami Hino
    Mami Hino

    Mami Hino

    Mami Hino is a benrishi and registered foreign lawyer, complementing her life sciences practice. She has extensive experience representing both Japanese and global companies, from heavy machinery companies to chemical and pharmaceutical companies.

    • She is always eager to meet her clients' requirements with a flexible approach, supported by her extensive knowledge and experience in the area of patent litigation.

      Life Sciences respondentAsia-Pacific

    • She has a deep understanding of the pharmaceutical industry, so her legal advice on patents is very reliable.

      Life Sciences respondentAsia-Pacific
    View profile

Ranked Individuals at Abe, Ikubo & Katayama (1)

Japan

Members

Provided by Abe, Ikubo & Katayama

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership