In the case where the trademark transfer contract is invalid, the purpose of reviewing the validity of the trademark transfer contract is mainly to review whether the trademark transfer contract is valid and revocable, and whether the transferred trademark has been frozen by the people's court. trademark or a trademark that has been registered as a pledge. So what are the circumstances under which a trademark transfer contract is invalid? Trademark transfer contract: The trademark transfer contract is invalid: 1. If one party signs the contract with fraudulent means, thereby harming the interests of the country, the contract will be invalid; 2. If it is malicious collusion, harming the country or the collective and the third party If the contract is in the interests of three persons, the trademark transfer contract will be invalid; 3. If the illegal purpose is covered up in a legal form, the contract will be invalid; 4. If the interests of the public are harmed, the contract will be invalid; 5. Violation of laws and administrative regulations According to the mandatory provisions of the regulations, the trademark transfer contract is invalid. According to the relevant provisions of the Contract Law, if a contract is concluded due to a major misunderstanding and is unfair at the time of conclusion of the contract, the parties have the right to request the people's court or arbitration institution to change or cancel the contract. The most commonly used trademark transfer between enterprises is contract transfer, and in the process of contract transfer, the trademark is always transferred in the form of goods. Therefore, when transferring a trademark, the trademark transfer contract must be reviewed. Ensure that corporate interests are not compromised.