Legal analysis: Derivative acquisition refers to the acquisition based on the existing rights of others. Legal acts or factual acts can be made in a specific way, such as obtaining ownership through buying and selling, that is, obtaining property ownership through legal acts and obtaining property ownership through inheritance, that is, derivative acquisition, also known as transmission, which means that the trademark owner obtains trademark rights based on the trademark rights of the original trademark owner. This way of obtaining mainly includes the transfer of trademark rights and the inheritance of trademark rights.

Legal basis: Article 123 of the Civil Law of People's Republic of China (PRC), after the beginning of inheritance, it shall be handled according to legal inheritance; If there is a will, it shall be inherited or bequeathed according to the will; If there is a legacy support agreement, it shall be handled in accordance with the agreement.

Article 42 of the Trademark Law of People's Republic of China (PRC) Where a registered trademark is assigned, the assignor and the assignee shall sign an assignment agreement and file an application with the Trademark Office. The transferee shall guarantee the quality of the goods using the registered trademark.