Okuyama & Sasajima is celebrating its 90th anniversary in 2015.
We are conveniently located in Akasaka in central Tokyo, just a subway stop away from the Japan Patent Office. Our attorneys have advanced degrees from universities in Japan and the US. We also have in-house staff of translators and native English editors.
Applications for patents, plant patents, designs, and trademarks for major companies in the US and Europe in fields such as chemistry, biochemistry, biotechnology, pharmaceuticals, medical devices, electronics, electrical engineering, and mechanical engineering
Searches of Japanese patent and technical literature
Infringement opinions and suits, and oppositions
AIPPI, JPAA, LES, FICPI, APAA