Refer to relevant laws:
Article 11 of the Patent Law After the patent right for invention and utility model is granted, except as otherwise provided in this Law, no unit or individual may exploit the patent without the permission of the patentee, that is, it may not manufacture, use, promise to sell, sell or import its patented products for production and business purposes, nor may it use its patented methods and use, promise to sell, sell or import products directly obtained according to the patented methods.
After the design patent is granted, no unit or individual may exploit its patent without the permission of the patentee, that is, it may not manufacture, promise to sell, sell or import its patented product for production and business purposes.
Article 12 of the Supreme People's Court's Interpretation on Several Issues Concerning the Application of Law in the Trial of Cases of Patent Infringement, if a product infringing the patent right of an invention or utility model is used as a component to manufacture another product, the people's court shall determine that it belongs to the use behavior stipulated in Article 11 of the Patent Law; If a person sells another person's product, the people's court shall determine that it belongs to the sales behavior stipulated in Article 11 of the Patent Law.
Where a product infringing the patent right of a design is used as a component to manufacture another product and sell it, the people's court shall determine that it belongs to the sales behavior stipulated in Article 11 of the Patent Law, except that the product infringing the patent right of a design only has technical functions in another product.
If there is a division of labor and cooperation between the accused infringers under the circumstances specified in the preceding two paragraphs, the people's court shall consider it as * * * joint infringement.