patent agency; patent attorney business
Refers to the business or profession of a patent attorney (弁理士), handling patent applications and related intellectual property matters.
He runs a patent agency.
To qualify for patent agency work, one must pass the patent attorney examination.
弁理士 is the individual patent attorney, while 特許代理業 refers to the business or profession itself.
Compound of 特許 (patent) + 代理 (representation) + 業 (business).