Generally, it includes the following procedures: patent search or trademark inquiry → signing an agency contract → the client making technical disclosure and filling in relevant forms → the agent preparing relevant legal documents and submitting them to the client for confirmation → submitting an application to China National Intellectual Property Administration or the State Trademark Office → tracking the case and replying to the review opinions until the case is closed → closing the case according to the contract or continuing the follow-up management of the case-Zhuo Yi Intellectual Property.