特許 とっきょ代理 だいり ぎょうではありませんでした
tokkyodairigyōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 特許代理業

1. Was not a patent agency.; Was not working as a patent agent.

Past/Perfective
Negative
Polite
Formal Register