Does the second inventor of the patent have a certificate?

Legal analysis: No, all patents have only one certificate. Whether it is an invention patent, a utility model patent or a design patent, the Patent Office will only download a copy with the names of all inventors written on it. Patent books are generally in the hands of the patentee by default, and other inventors need to apply for printing copies of patent certificates if they want patent certificates.

Legal basis: People's Republic of China (PRC) Patent Law.

Article 4 Where an invention-creation applying for a patent involves national security or vital interests and needs to be kept confidential, it shall be handled in accordance with the relevant provisions of the state.

Article 5 No patent right shall be granted for inventions and creations that violate laws, social ethics or harm public interests. No patent right shall be granted to inventions and creations obtained or utilized in violation of laws and administrative regulations and completed by relying on genetic resources.