The team at Mori Hamada & Matsumoto Tokyo Office is highly experienced in handling both domestic and cross-border IP-related infringement matters, such as patents, trade marks, and copyrights. The team is led by Yutaka Miyoshi, who has extensive experience in IP-related tech transactions, including M&A and licensing; Yoshifumi Onodera, who focuses on international dispute resolution, arbitration, and licensing with expertise in chemistry and biology; and Atsushi Okada, who is well-versed in tech law matters, such as those concerning product liability. Hideaki Kuwahara is a name to note in relation to IT-related dispute resolution matters, including complex system development disputes and sender information disclosure litigation.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘The IP team is very experienced and professional and supports clients' business with deep market and legal knowledge.’

  • 'We worked closely with Atsushi Okada and Hideaki Kuwahara. They delivered consistent and stable legal support with a lot of enthusiasm.’

  • ‘Very experienced and business-driven team, with a longstanding track record in assisting international clients with a very agile and analytic approach.’

Key clients

  • Shiseido Company, Limited
  • Pan Pacific International Holdings Corporation (“PPIH”)
  • Hitachi Metals (currently Proterial)
  • Kowa Company, Ltd.
  • Japan Football Association

Lawyers

Leading partners: Bengoshi
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners: Bengoshi
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Practice head

The lawyer(s) leading their teams.

Yutaka Miyoshi, Yoshifumi Onodera, Atsushi Okada

Other key lawyers

Hideaki Kuwahara