Legal analysis: There are no specific provisions on the time limit of a trademark agency contract in the Civil Code. It is up to the parties to decide whether to agree on a time limit through negotiation.

Legal basis: "The People's Republic of China and the Civil Code"

Article 470 The main terms of the contract and the model text. The content of the contract is agreed upon by the parties and generally includes the following terms:

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(1) Name and address of the parties;

(2) Subject matter;

(3) Quantity;

(4) Quality;

(5) Price or remuneration;

(6) Time limit, place and method of performance;

(7) Liability for breach of contract;

(8) Methods for resolving disputes.

The parties may conclude a contract by referring to the model texts of various types of contracts.

"Trademark Law of the People's Republic of China"

Article 18 When applying for trademark registration or handling other trademark matters, you can handle it yourself or entrust a trademark agency established in accordance with the law. handle.

When foreigners or foreign enterprises apply for trademark registration and handle other trademark matters in China, they should entrust a trademark agency established in accordance with the law to handle it.