What are the circumstances in which Hong Kong companies refuse to accept applications for mainland patents?

what are the circumstances in which Hong Kong companies refuse to accept applications for mainland patents? According to Article 38 of the Detailed Rules for the Implementation of the Patent Law, after receiving the request, specification (utility model must include attached drawings) and claim of an application for a patent for invention or utility model, or the request for a patent for design and the pictures or photographs of the design, the patent administration department in the State Council shall specify the date of application, give the application number and notify the applicant. So what are the cases in which Hong Kong companies apply for mainland patents that are not accepted? Article 4 Patent Application: In case of any of the following circumstances, the patent administrative department of the State Council will not accept the patent application document, and notify the applicant of the following circumstances: (1) An application for a patent for invention or utility model lacks a request, a specification (utility model has no drawings) and a patent claim, or an application for a patent for design lacks a request, a picture or a photograph; (2) Not using Chinese; (three) does not comply with the provisions of the first paragraph of article 12th of these rules; (4) The applicant's name and address are missing in the request; (5) It is obviously not in conformity with the provisions of Article 18 or Paragraph 1 of Article 19 of the Patent Law; (6) The category of the patent application (invention, utility model or design) is unclear or difficult to determine.