(1) patent application documents and other relevant documents required by China National Intellectual Property Administration (electronic application documents in XML format);
(2) Letter of Commitment stamped with the official seal of the applicant (the template can be downloaded from the patent pre-examination system);
(3)*** The same R&D certificate (which should be submitted when the patent application involves multiple applicants);
(4) Other relevant materials (such as classification description, search report, background technology, etc. ) helps to understand the patent application.