Legal analysis: Trademark transfer is legal. The owner of a registered trademark has the right to transfer the registered trademark, that is, the right to transfer the registered trademark to others in accordance with legal procedures and conditions.

Legal basis: "Trademark Law of the People's Republic of China" Article 42: If a registered trademark is transferred, the transferor and the transferee shall sign a transfer agreement and submit the same request to the Trademark Office Make an application. The transferee shall ensure the quality of the goods using the registered trademark.