Are patents divided at home and abroad?

Patents are divided into different regions and have certain regional protection, so many advanced patented technologies abroad have become the fetters of China's technological development, and at the same time, because of the existence of patents, China's patented technologies have been protected from being infringed by others! If you want to apply for a wide range of patents, then to apply for a PCT patent is to apply for the patent you want to apply for in China according to normal procedures, file a PCT application within 12 months after the application, and finally follow the international and national stages! In this way, the scope of your patent protection is not only in China, but also in the country you entered.