Intellectual Property: Domestic
Asia-Pacific Guide 2025 : Japan
Band 4
Contact number
(81)6-6316-1261Chambers Review
Aoyama & Partners is a boutique patent prosecution firm with a robust practice. The firm is also engaged in IP infringement cases, including for patents, trade marks and designs, as well as licensing agreements. Its expertise includes chemistry, life sciences, engineering and technology.
Work Highlights
- Aoyama & Partners represented Izumi Corporation both in prosecution and litigation for protecting an invention regarding a portable screen for video projection.
Strengths
Provided by Chambers
"They are extremely knowledgeable and sophisticated in US litigation."
"Aoyama & Partners are thoughtful, intelligent and trusted advisers. All of the firm members that I have worked with are very technically strong and detail-oriented."
"I have been extremely impressed with the depth of their team."
"They are extremely knowledgeable and sophisticated in US litigation."
"Aoyama & Partners are thoughtful, intelligent and trusted advisers. All of the firm members that I have worked with are very technically strong and detail-oriented."
"I have been extremely impressed with the depth of their team."
Notable Practitioners
Hiroshi Tamura handles patent prosecution and litigation for clients in the electronics, medical device and pharmaceutical industries.
"An impressive patent attorney whose attention to detail is legendary."
"Tamura-san is a trusted adviser, intelligent, a pleasure to work with and delivers sound advice."