OWN TOMORROW WITH REVOLUTION TODAY
Where Innovation and Excellence Meet
SPEED & QUALITY
Where Innovation and Excellence Meet
SERVING BORDERLESS INNOVATION SEAMLESSLY
Where Innovation and Excellence Meet
SPEED & QUALITY
Where Innovation and Excellence Meet
OWN TOMORROW WITH REVOLUTION TODAY
Where Innovation and Excellence Meet
Top 10
Largest Patent Prosecution Firms in Japan
98,700+
Patent, TM and Design Cases Filed Since Inception of the Firm, Inside and Outside of Japan
SHUSAKU·YAMAMOTO is one of the largest and highly-esteemed one-stop solution intellectual property, technology and related commercial law firms in Japan, with the expertise and extensive network to represent your interests in Japan and other jurisdictions.
We have a far-reaching global network of foreign associates from North America, Latin America, Europe, People’s Republic of China, South Korea, Taiwan, Southeast Asia, India, Australia and Africa to fortify our IP services for our global clients.
We represent not only market leading Japanese clients, but also North America, European, Korean and other international notable clients in Japan.
We pride ourselves on delivering unmatched quality and innovative solutions that cater to the evolving needs of our clients. With a specialization in your specific services or industry, we combine deep expertise with a commitment to excellence, ensuring that every project exceeds expectations.
INTELLECTUAL PROPERTY
Business Disputes and Litigation (Domestic and Cross-Border)
Corporate and M&A
Privacy, Cybersecurity and Technology
69
Advanced Degrees
9.8 Years
Average Attorney Tenure
10 Jurisdictions
Attorneys are Qualified to Practice
17 Countries
Staff Originated From
SY’s Patent Client Wins 2024 Nobel Prize for Chemistry
SY’s Patent Client Wins 2023 Nobel Prize for Physiology or Medicine
Shusaku Yamamoto Wins Japan Intellectual Property Law Firm
SY’S Patent Client Wins 2022 Nobel Prize for Chemistry
SY’s Patent Client Wins 2021 Nobel Prize for Chemistry
SY’s Patent Client Wins 2019 Nobel Prize for Chemistry
Highly Regarded by Various Legal Directories





