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.
Hideaki Kuwahara
Mori Hamada & Matsumoto Tokyo Office

Practice head

The lawyer(s) leading their teams.

Yutaka Miyoshi, Yoshifumi Onodera, Atsushi Okada

Other key lawyers

Hideaki Kuwahara