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The Patent 1000 focuses exclusively on patent practice and has firmly established itself as the definitive 'go-to' resource for those seeking world-class legal patent expertise.

Recommended - Firms: transactions

Silver - Firms: litigation

Gold - Firms: prosecution

Established over 120 years ago, YUASA and HARA is a steadfast presence on the Japanese IP scene. Its strengths span the contentious/non-contentious spectrum, and the comprehensive, timely and reliable services consistently attract marquee names. Former chief judge of the IP High Court Toshiaki Iimura is a disputes veteran who enjoys a storied reputation among clients and peers alike. Also a reputed litigator, Tsuyoshi Sueyoshi effortlessly handles bet-the-company disputes regarding cutting-edge technologies. “Tsuyoshi is a high-level thinker who quickly gets to the heart of the key issues. His advice is precise and practical, based on deep knowledge and an acute understanding of technology. He can analyse contractual risk, not only based on purely legal matters, but also based on a scientific point of view. In addition, he always considers whether his advice actually works for the patron. He is friendly and has technical expertise that lends itself to being effective at pharmaceutical patent litigation.” Engineer Masafumi Takahashi often assists him. Also an engineer, Minako Matsuyama excels on the non-contentious front and is proficient in highly technical matters.

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