Legal analysis: Application method: You can go to the Registration Hall of the Trademark Office (Beijing) to apply in person, or you can entrust a trademark agency to apply. Application fee: You need to pay an official fee of 1,000 yuan to the Trademark Office. If you entrust an agency to handle the application, you also need to pay an agency fee of about 600--800 yuan to the agency.

Legal basis: "Patent Law of the People's Republic of China"

Article 29: The date on which the applicant first files a patent application for an invention or utility model in a foreign country. Within twelve months from the date of first filing a patent application for a design in a foreign country, if another patent application is filed in China on the same subject matter, the foreign country shall file a patent application in accordance with the agreement signed between the foreign country and China or *** Priority may be enjoyed by international treaties to which the same party is a party, or in accordance with the principle of mutual recognition of priority. Within twelve months from the date of first filing a patent application for an invention or utility model in China, or within six months from the date of first filing a patent application for a design in China, the applicant shall submit the application to the Patent Administration Department of the State Council. Patent applications filed on the same subject matter can enjoy priority.

Article 30 If an applicant requires priority for an invention or utility model patent, he or she shall submit a written statement at the time of application and submit a second declaration within 16 months from the date of first filing of the application. A copy of the patent application document filed once. If the applicant claims priority for a design patent, he shall make a written statement when applying and submit a copy of the first patent application document within three months. If the applicant fails to make a written statement or fails to submit a copy of the patent application documents within the time limit, it shall be deemed that the applicant has not claimed priority.