Legal basis: Article 69 of the Patent Law of People's Republic of China (PRC) * * * The department in charge of patent law enforcement has the right to take the following measures according to the evidence obtained when investigating suspected patent counterfeiting:
(a) ask the relevant parties and 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;
(four) to inspect the products related to the suspected illegal acts;
(5) Products proved to be counterfeit patents may be sealed up or detained.
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.