A Famous Case Occurred in Japan Where a Japanese Business

A famous case occurred in Japan where a Japanese business registered McDonald's world famous trademark before McDonald's did and was given permission to use the trademark. McDonald's eventually got the trademark back after a lengthy court battle and a monetary award to the Japanese company. McDonald's learned that trademarks registered in the United States:

A) must be ratified by the United Nations trademark protection agency.
B) are worthless.
C) are protected in the European Union under the Geneva Convention but not in Japan.
D) need to be registered with the World Court.
E) are not protected in other countries.