Madrid International Trademark Registration is an international trademark registration based on the Madrid Agreement on Trademark Registration, involving 95 countries and regions around the world. Under normal circumstances, applying for a Madrid trademark requires a trademark application acceptance notice from my country. It is not clear how many Amazon sites there are, but Amazon sites tend to be in economically developed or larger economies. Most of these are member countries of the Madrid Agreement. You can compare them. Give an official link to the International Intellectual Property Organization http://www.wipo.int/madrid/en/members/ipoffices_info.html