The Supreme Court on Wednesday upheld the constitutionality of a controversial Civil Code provision requiring married couples to use the same surname in official matters.
The decision was a blow to campaigners who sued the state, asking the nation*s highest court to declare the rule unconstitutional.
The matter is contentious in Japan, with opponents calling it an infringement of women*s fundamental rights and conservatives regarding shared names as a central pillar of the family unit.

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