1. regionality: the so-called regionality refers to the spatial (national) restriction of patent protection rights.
2. Exclusivity: The object of patent protection refers to the object of patent protection. According to the provisions of China's patent law, the objects of patent protection refer to inventions, utility models and designs.
3. Timeliness: from the date of filing, the invention patent is 20 years, the utility model patent is 10 year, and the design patent is 10 year.
Legal basis: Article 42 of the Patent Law of People's Republic of China (PRC) has a term of 20 years, and the term of utility model patent and design patent is 10 years, counting from the date of filing.