noun
introductory clause; chapeau; main paragraph
Refers to the opening or main paragraph of a law, patent, or similar formal document that sets out the purpose or scope. The term 'chapeau' is used in international legal contexts.
特許の柱書には発明の概要が記載されている。
The introductory clause of the patent describes the summary of the invention.
この法律の柱書を読めば、立法の趣旨がわかる。
Reading the main paragraph of this law reveals the legislative intent.
前文 is a preamble or introductory text, often used in constitutions or treaties, while 柱書 specifically refers to the opening clause of a legal provision or patent claim.
Compound of 柱 (pillar, main part) and 書 (writing), referring to the main written part of a document.