A Japanese court rejected Monday a damages suit filed against the state by a business executive and three others who argued that the Japanese legal requirement for Japanese married couples to use the same surname is unconstitutional.The Tokyo District Court ruled the Japanese family register law, which does not allow spouses to use different surnames, is constitutional, saying there is "a reasonable ground."Under the current system, spouses can choose whether to use the same surname when a marriage takes place between a Japanese and foreign national. Divorcees can also choose whether to con…READ FULL ARTICLE