The quality of being novel; in patent law, the requirement that an invention is not previously known (novelty).
特許を取るには、その発明が新規性を満たしている必要がある。
To obtain a patent, the invention must satisfy the requirement of novelty.
論文投稿の査読で、新規性が認められなかったため却下された。
The paper was rejected during peer review because its novelty was not recognized.