noun
Technical term in patent law; refers to the requirement that an invention must be new and not previously known to the public.
特許を取得するには、発明に新規性が必要です。
To obtain a patent, the invention must have novelty.
審査官はその技術の新規性を否定した。
The examiner denied the novelty of the technology.
General term for 'new' or 'novel'; 新規性 is the abstract noun form used specifically in legal/patent contexts.
Compound of 新規 (new, novel) and 性 (-ness, property). The term is a direct translation of the English legal concept 'novelty' in patent law.