Our Tokyo office is home to a team of leading lawyers with more than 30 years of experience providing a full range of multijurisdictional legal services. We help an array of clients—from industry-leading multinationals to innovative newcomers—navigate new paths to growth.

  • Recommended IP Foreign Firm

    IAM Patent 1000
  • Ranked Foreign Firm For Patent in IP Stars

    Managing IP
  • Litigation Star in Intellectual Property (Japan) by Benchmark Litigation Asia-Pacific

    Euromoney Legal Media Group


Paul Hastings was one of the first major international law firms to establish an Asia practice, and today we continue to be a leader in the region. Our Tokyo office is one of the few foreign law offices to provide a full range of multijurisdictional legal services together with licensed Japanese lawyers (bengoshi). Our Tokyo professionals work closely with our offices in Beijing, Hong Kong, Seoul, and Shanghai to advise clients in markets throughout Asia.

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  • Our award-winning Corporate and Mergers and Acquisitions practices focus on securities offerings, fund formation, and other corporate matters.

  • Our Intellectual Property practice delivers outstanding results in critical disputes in the life sciences and technology sectors.

  • The firm’s Life Sciences and Healthcare practice provides consistent, practical solutions for complex disputes, investigations, and transactions in this dynamic, global industry.

  • Our Technology, Media, Entertainment, and Telecommunications practice represents a wide variety of both leading and emerging companies, as well as the investment banks and private equity and venture capital firms that finance them.

  • The firm has a dynamic and sophisticated global Anti-corruption and Compliance practice with experienced lawyers who specialize in the U.S. Foreign Corrupt Practices Act (“FCPA”) and international anti-corruption laws.

Ark Hills Sengokuyama Mori Twr, 40th Floor, 1-9-10 Roppongi
Minato-Ku Tokyo, 13
Fax: +81 3 6229 7100

Office Chairs

Image: Toshiyuki Arai
Toshiyuki Arai

Partner, Corporate Department

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