The U.K. Supreme Court has ruled the country's 2010 Equality Act defines a woman as someone born biologically female in a potential landmark case for transgender rights.

Transgender women who have a gender recognition certificate are not “women” under the law, the UK Supreme Court has

The terms “woman” and “sex” in the Equality Act refer to a biological woman and biological sex, the Supreme Court has ruled. Campaign group For Women Scotland (FWS) brought a series of challenges – including to the UK’s highest court – over the definition of “woman” in Scottish legislation mandating 50% female representation on public boards.