特許 とっきょ申請 しんせい ちゅうではありませんでした
tokkyoshinseichūdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 特許申請中

1. Was not applying for a patent.; Had not filed a patent application.

Past/Perfective
Negative
Polite
Formal Register