The patent application confidentiality review procedure refers to a review procedure that needs to be carried out in accordance with relevant regulations when the applicant intends to apply for a patent abroad for an invention created in the country to determine whether the patent application itself involves national security or major interests . For the sake of national security, most countries in the world have formulated corresponding confidentiality review systems. Patent applicants need to submit a request for confidentiality review to their own intellectual property management agencies before filing patent applications in foreign countries, and they can only do so after meeting the corresponding conditions. Apply to a foreign country.
- Spanish Patent Confidential Examination Application System: Only when the first application is a Spanish application, the foreign application can be submitted if the foreign application requires domestic priority and the content does not involve national defense security