Women in Japan period to 100 days and allows any woman who is not pregnant during the divorce to remarry immediately after divorce. The Civil Code of Japan requires legally married spouses to have the same surname. Although the law is gender-neutral, meaning that either spouse is allowed to change his/her name to that of the other spouse, Japanese women have traditionally adopt their husband’s family name and 96% of women continue to do so as of 2015. In 2015, the Japanese Supreme Court upheld the constitutionality of the law, noting that women could use their maiden names informally, and stating that it
German name the default case, this is the surname of the groom. The partner who is changing surnames (usually the bride) has the possibility to use their unmarried name alongside the married name with hyphenation. In Switzerland (Art. 160 ZGB), the couple can opt to both retain their unmarried name, or the couple can choose to use either surname as their married name. If both retain their name, they need to declare which will be the surname of any future children. Titles of former aristocrats (like "Graf" for "Count") have become parts of the "Nachname" in Germany, giving longer names of several