Is it necessary to pay patent fees for the implementation of national defense patents?

Those who exploit other people's national defense patents shall pay the national defense patent royalties to the national defense patentee. The implementation fee of national defense patent refers to the expenses incurred in the process of implementing national defense patent for providing technical information, training personnel and further developing technology. 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.