Seiji Ohno

IAM Research

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.

Gold - Individuals: litigation

Through a seamless cooperation of the patent attorneys and attorneys at law, boutique IP service OHNO & PARTNERS offers comprehensive, holistic solutions to its patrons’ IP needs. The experts are not afraid to tackle complex patent matters in the area of cutting-edge technologies. From bioinformatics to semiconductors to nanotechnology, nothing is outside of their scope of work. In 2021, the group continued to expand – it welcomed three new patent attorneys and one attorney at law. OHNO also has a strong track record of establishing new case law before the Supreme Court. Notably, it also dispenses opinions and legal advice on Chinese IP law and contracts. Dual-qualified in Japan and the United States, gold-tier litigator Seiji Ohno leads the eponymous practice. One peer has described him as “famous in the patent field”. Indeed, he has worked for the Ministry of Economy, Trade and Industry, and has taught pharmaceutical and medical business as well as IP law in universities. This rich and diverse experience has shaped him as one of the leading IP practitioners in the country.

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