In general, among the three types of patents, patent for invention offers protection of the broadest subject matters, including products, processes and usages. Patent for utility model aims at protecting product with the shape, structure, or their combination. Accordingly, method, usage, ingredient and the like cannot be protected by utility model. Patent for design protects the appearance of product in the form of shape, pattern, or their combination, or the combination of the color with shape or pattern of product, which creates an aesthetic feeling.
August 29 2017