Intellectual Property: International
Asia-Pacific Guide 2025 : Japan
Band 3
Contact number
+813 6229 6100Chambers Review
Paul Hastings maintains a strong reputation for its work on patent litigation and infringement disputes. The firm is particularly adept at handling mandates involving the USA and is highly regarded forrepresenting domestic and international companies active in the pharmaceutical, TMT, chemical and manufacturing industries. The team also handles transactional and IP licensing matters.
Work Highlights
- Paul Hastings represented Daiichi Sankyo in a life science breach of contract and patent dispute concerning cancer drugs.
Strengths
Provided by Chambers
"They have a large team, comprised of members in Japan and the USA, that has the expertise to handle any IP-related matters or questions."
"Paul Hastings helps its clients understand the key points of a case and provides useful advice at the right time."
"They were able to accurately grasp our needs and act upon them."
"They have a large team, comprised of members in Japan and the USA, that has the expertise to handle any IP-related matters or questions."
"Paul Hastings helps its clients understand the key points of a case and provides useful advice at the right time."
"They were able to accurately grasp our needs and act upon them."
Notable Practitioners
Hiroyuki Hagiwara is a US-qualified and registered foreign lawyer in Japan, often handling patent litigation. He advises international clients on matters including IP licensing and disputes.
"He always thinks about his clients and provides us with a high level of expertise in the best possible way."
"Based on the differences in litigation systems between the USA and other countries, he gave us accurate advice on specific risks and how to minimise them."
"Hagiwara is good at devising strategies and team arrangement. He is highly competent and client-oriented."