The term of patent right for invention is 20 years, the term of patent right for utility model is 10 year, and the term of patent right for design is 15 year, all of which are counted from the date of application. The date when the patent administrative department of the State Council receives the patent application documents is the filing date. If the application documents are mailed, the postmark date of mailing shall be the application date. Inventions and utility models granted patent rights should be novel, creative and practical. In addition to novelty, a patented design should also have two conditions: aesthetic feeling and suitability for industrial application.