patent attorney; patent agent
A legal professional qualified to represent clients in obtaining patents and other intellectual property rights in Japan.
He is studying to become a patent attorney.
I consulted a patent attorney about my new invention.
司法書士 handles legal document preparation and registration, but does not represent clients in patent matters like 弁理士.
Compound of 弁理 (management of affairs, from 弁 'manage' and 理 'reason/principle') and 士 (professional). The term was coined in the modern era to designate a specialist in patent affairs.