expression
all rights reserved; unauthorized copying forbidden
Formal copyright notice phrase, equivalent to 'all rights reserved' or 'unauthorized reproduction prohibited'. Commonly seen in books, websites, and other published materials.
この本の奥付には「不許複製」と書いてある。
The colophon of this book says 'all rights reserved'.
Similar copyright notice, but specifically prohibits unauthorized reprinting or republication, often used for online content.
Compound of 不許 (fukyo, 'not permitted') and 複製 (fukusei, 'reproduction'). A set phrase used in copyright contexts.