What are the infringements of product patents?

Legal analysis: infringement of product patents includes: (1) the act of manufacturing patented products of inventions, utility models and designs; (2) the act of using patented products of inventions and utility models; (3) promising to sell patented products of inventions, utility models and designs; (4) the act of selling patented products of inventions, utility models or designs; (5) the act of importing patented products of inventions, utility models and designs; (6) using patented methods and using, promising to sell, selling or importing products directly obtained according to patented methods; (7) the act of counterfeiting others' patents. For the purpose of production and operation, using or selling a product that is not known to be patented and manufactured and sold without the permission of the patentee or a product that is directly obtained according to the patented method, which can prove the legal source of the product, is still a patent infringement, and it is necessary to stop the infringement but not bear the liability for compensation.

Legal basis: Article 69 of the Patent Law of People's Republic of China (PRC) * * * When investigating suspected patent counterfeiting according to the obtained evidence, the department in charge of patent law enforcement has the right to take the following measures: (1) Ask the relevant parties to investigate the situation related to the suspected illegal act; (two) on-site inspection of the places where the parties are suspected of illegal acts; (3) consulting and copying contracts, invoices, account books and other relevant materials related to suspected illegal acts; (4) check the suspected illegal behavior. When handling patent infringement disputes, the administrative department for patent affairs may, at the request of the patentee or interested party, take the measures listed in Items (1), (2) and (4) of the preceding paragraph. When the patent law enforcement department and the patent administration department exercise their functions and powers as prescribed in the preceding two paragraphs according to law, the parties concerned shall give assistance and cooperation, and shall not refuse or obstruct them.