The cost of international trademark registration depends on a number of factors, including the country or region selected, the trademark registration agency’s charging policy, and the applicant’s specific circumstances. The following are some fees that may be involved:

1. Basic application fee: Before international trademark registration, you need to submit a basic application for the trademark in your country or region. This fee is determined by the trademark registration authority of the country or region where you are located.

2. International trademark registration fees: Once your basic application is approved, you can choose to register your trademark internationally through the international trademark registration system (such as the Madrid Agreement). The fees for international trademark registration are usually charged by the International Trademark Registration Office (WIPO), including basic application fees, international registration fees, and fees for each designated country or region.

3. Designated country fees: Depending on the list of countries or regions you choose to expand your trademark registration, you may need to pay registration fees for each designated country or region. These fees vary by country or region.

4. Trademark agency fees: If you choose to use a trademark agency to handle international trademark registration applications, they may charge professional service fees. These fees vary depending on the agency's size, experience, and scope of services.

Please note that the above are just some of the possible international trademark registration fees. The specific fees will vary depending on the country or region, trademark registration agency and specific circumstances. It is recommended that before international trademark registration, you carefully study the fee policies of local trademark registration agencies and international trademark registration offices, and consult a professional trademark agency or intellectual property lawyer to obtain accurate fee estimates and guidance.

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