What are the functions and functions of patents?

Legal analysis: protect the legitimate rights and interests of patentees, encourage inventions, promote the application of inventions, improve innovation ability, and promote scientific and technological progress and economic and social development.

Legal basis: Patent Law of People's Republic of China (PRC) Article 1 This Law is formulated for the purpose of protecting the legitimate rights and interests of patentees, encouraging inventions and creations, promoting the application of inventions and creations, improving innovation ability, and promoting scientific and technological progress and economic and social development.