Judges say the "concept of sex is binary" while cautioning that the landmark ruling should not be seen as victory of one side over another.

The Court of Session in Edinburgh ruled that changing the definition of a woman in the act was unlawful, as it dealt with matters falling outside the Scottish parliament's legal competence. The Scottish government dropped the definition from the act and issued revised statutory guidance.

The U.K. Supreme Court is set to decide a case on the definition of a woman in a long-running dispute between a women’s rights group and the Scottish government