This is the 8430th most frequent Japanese word.
意匠
"意匠" means "design" or "artistic concept."
意匠 here indicates the legally protected design aspect of an invention.
意匠権はその発明を保護する法律です。
A design right is the law that protects that invention.
意匠 refers to the design or artistic concept of the building.
この建物の意匠はとても独特です。
The design of this building is very unique.
意匠 is used here to denote the conceptual design of the product.