How to apply for a patent in a foreign country? How to entrust a patent agent?

China units or individuals who file international applications can apply in the following two ways: (1) apply in the China National Intellectual Property Administration Patent Office, and then request priority to apply abroad within one year. (This country has a priority agreement with China) (2) Apply for PCT directly in China National Intellectual Property Administration Patent Office. With regard to patent agency, Article 18 of the Patent Law stipulates that foreigners, foreign enterprises or other foreign organizations that have no habitual residence or business office in China apply for patents in China, and the application shall be handled in accordance with the agreement signed between their countries and China or the international treaties to which * * * is a party, or in accordance with the principle of reciprocity. Article 19 of the Patent Law stipulates that foreigners, foreign enterprises or other foreign organizations that have no habitual residence or business office in China shall entrust a patent agency designated by the patent administration department in the State Council to apply for patents and handle other patent affairs in China. China units or individuals applying for patents and handling other patent affairs in China may entrust a patent agency to handle them. Patent agencies shall abide by laws and administrative regulations and handle patent applications or other patent affairs as entrusted by the principal; The content of the principal's invention and creation shall be kept confidential, except that the patent application has been published or announced. The specific measures for the administration of patent agencies shall be formulated by the State Council.