Method 1: Single-country registration: refers to the registration method that directly submits registration applications to the trademark authorities of each country/region. It is also called "country-by-country registration" and is the most commonly used method for international trademark protection. , is a protection method relative to the registration method of some international or regional intellectual property protection organizations. Method 2. Madrid Trademark International Registration: Madrid Trademark International Registration is an international trademark registration protection method between all contracting countries in Madrid. Its biggest feature is that you only need to submit one application to request registration in multiple contracting countries. Madrid International Registration is under the unified management of the International Bureau, located in Geneva, Switzerland, and is one of the agencies under the jurisdiction of the World Intellectual Property Organization (WIPO). China joined the Agreement in October 1989 and the Protocol in December 1995. The Madrid international trademark registration system is only a method of international trademark registration between all contracting countries in Madrid. Its biggest feature is that you only need to submit one application to designate multiple contracting countries for registration. Register through the Madrid method. If it encounters official review opinions or official rejection, it will be transferred to the single-country procedure for processing. Method 3. EU trademark registration: EU trademark registration refers to a registration method that applies for registration protection uniformly in all EU countries through the Office for Coordination of the Internal Market under the EU. Since the EU is a unified market, after a trademark is registered in the "EU (also known as the European Union)", it will be protected in each EU member state. Currently, there are 28 EU member states. As long as registration is ultimately rejected due to rejection or objection raised in one member state, the entire EU application will be rejected. Method 4. African Intellectual Property Organization trademark registration: The African Intellectual Property Organization (referred to as OAPI or Feizhi) is a regional intellectual property protection alliance composed of former French colonies and countries whose official language is French. After the trademark is approved and registered, it will be registered among 17 members. The country is protected and is valid for 10 years.