How long is the patent protection period for drugs
Patents are divided into three types: invention, utility model and design. The protection period for inventions is 20 years, and the protection period for utility models and designs is 10 years. It starts from the date of application.
1. Invention patent - 20 years span>
2. Utility model - 10 years
3. Appearance design - 10 years
It should be noted that the starting date of the patent protection period is calculated from the filing date, not the patent grant date.
Invention patent refers to a new technical solution proposed for a product, method or improvement thereof. Such as the manufacturing method or process of the product, the formula of the material, the formula of the medicine, etc.
Utility model patent refers to the shape of the product , structures or their combinations to propose new technical solutions that are suitable for practical use. For any product structure, shape or combination of structure and shape, apply for a utility model patent.
Mentioned in both invention and utility model patents" "New technical solution" simply means that it must be creative and more advanced than the existing technology. If it is lagging behind the existing technology, it cannot apply for a patent.
A design patent refers to the shape of a product , patterns, colors or their combination to create new designs that are aesthetically pleasing and suitable for industrial application. The emphasis here is on "appearance", that is, appearance.
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