1. Invention patent is the most common kind of patent, and the technical scheme it protects is novel, practical and creative. The term of protection of the invention patent is 20 years from the date of application.
2. The design patent protects the design of the product, including shape, pattern and color. The protection period of a design patent is 15 years from the date of application.
3. Plant patents protect new plant varieties propagated by artificial means such as asexual propagation or tissue culture. The term of protection of plant patents is 20 years from the date of application.