Hiroyuki Hagiwara
Asia-Pacific Guide 2025
Band 2 : Intellectual Property: International
Contact number
81-3-6229-6015Share profile
Band 2
About
Provided by Hiroyuki Hagiwara
Practice Areas
Hiroyuki Hagiwara is a partner based in Paul Hastings’ Tokyo office. Mr. Hagiwara offers more than 20 years of experience in cross-border litigations and transactions. Patent infringement litigations, licensing transactions and disputes, arbitrations and investigations are the main focus of his practice.
In patent disputes, Mr. Hagiwara has handled wide-ranging subject matters from electronics, software, chemical, pharmaceutical, biologics, semiconductor, telecommunication to automotive.
Mr. Hagiwara has represented clients in US DOJ investigations, international arbitrations and mediations, US Federal Court actions, ITC Section 337 investigations, US PTAB proceedings. He has represented US, European, Asian and Japanese clients in various legal matters.
EDUCATION
New York University School of Law, LLM, 1999; Heiwa Nakajima Scholar
Tokyo University of Science (Tokyo Rika Daigaku), B.S. in Electrical Engineering, 1998
Keio University, LLB, 1993; Dartmouth-Keio Exchange Scholar, 1990-1991
Chambers Review
Asia-Pacific
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.
Strengths
Provided by Chambers
"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."
"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."
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