Give you a pertinent suggestion, it is unlikely to retire.

This premise is to be tested by yourself. If it passes through an agency, it must be inspected by the agent. Unless it is signed, the contract is carefully worded.

If it is submitted directly to the Trademark Office, it will not be refunded. If you pass the agent, it means that the agent's basic working attitude is not serious, and there is still a chance to pay it back.