著作 ちょさく けん所有 しょゆう しゃじゃなかったです
chosakukenshoyūshajanakattadesu

Noun
Desu Copula

The polite, past negative form of 著作権所有者

1. Was not a copyright holder.; Was not the copyright owner.

Past/Perfective
Negative
Polite
Casual Register