Common methods for international trademark registration include the following:

1. Madrid System: The Madrid System is an international trademark registration system developed by the World Intellectual Property Organization (WIPO). )manage. By submitting an international trademark registration application to the trademark registration office of the country or region in which it belongs, the applicant can choose to register the trademark in multiple countries or regions that participate in the Madrid System. This simplifies the process of cross-border trademark registration.

2. Regional trademark registration: In some regions, such as the European Union and the African Union, there are regional trademark registration systems. Applicants can obtain trademark protection in this area by submitting a trademark registration application in this area.

3. Separate application: Applicants can choose to submit separate trademark registration applications in each target country or region. This means that applications need to be contacted and processed individually with the trademark registration authority in each country or region.

4. International agreements: Some international agreements can simplify the procedures for cross-border trademark registration. For example, the European Union's European Union Trade Mark (EUTM) system allows trademark registration in European Union member states with a unified procedure.

The above are common methods for international trademark registration. The specific applicable methods and procedures may vary depending on the trademark laws and international agreements of the country or region. When considering international trademark registration, it is recommended to consult a professional trademark agency or relevant authority for accurate guidance and advice.

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