How to describe that patents are not illegal?

1, producing its own patented products, from the perspective of patent law, will not violate the rules;

2. If the patented product has no significant influence on the country and the public and there is no monopoly, the general patent can't reach this level;

3. It is illegal not to open a factory, not to register with industry and commerce and tax, and not to sell products in the market;

4. If you produce in your own hospital, you have to go to the industrial and commercial and tax registration to legally produce.