Patent application is a highly professional, technical and legal task. The quality of patent application documents will affect whether the patent application can be authorized and whether the scope of protection after patent authorization is optimized. Except where the law specifically stipulates that foreign individuals, foreign enterprises or other foreign organizations without regular residence or business offices in China should entrust a foreign-related patent agency designated by the State Intellectual Property Office to apply for patents and handle other patent matters in China, apply for Chinese patents The applicant can apply by himself, or the patent applicant can entrust a patent agency to apply on his behalf. A patent agency that is entrusted by a patent applicant will usually send a patent agent who is familiar with the relevant profession to specifically complete the entrusted patent application work. A patent agent is a social patent practitioner who has a higher education background in science and engineering, has passed the national unified examination for patent agent qualifications organized by the State Intellectual Property Office, and has thus obtained the qualification of a Chinese patent agent and practices in a certain patent agency. worker. The State Intellectual Property Office and Shanghai Intellectual Property Office also organized professional training for corporate patent workers. Writing patent application documents and handling patent application matters are one of the main training contents. This professional training is conducive to cultivating patent work professionals within the enterprise, including professionals who are familiar with drafting patent application documents. Generally speaking, larger companies or companies with more patent applications should train their own professionals who can write patent application documents and engage in corporate patent work. They should write simple general patent application documents for the company and handle patent applications on their own. For application matters, if the writing of patent application documents is more complex or in a technical field that the unit's patent personnel are not familiar with, it should still be entrusted to a large-scale patent agency with complete professional talents and covering related technical fields. Small and medium-sized enterprises or companies with few patent applications should give priority to entrusting a specialized patent agency to apply for patents to ensure the accuracy and efficiency of drafting patent application documents and handling patent application matters.