Supreme Court rules on the definition of ‘woman’: insights for employers

The UK Supreme Court has ruled that under the Equality Act, biological sex - not gender identity - defines the terms ‘man’ and ‘woman’. We explain the legal context in detail, helping employers and HR professionals navigate workplace rights, equality obligations, and the implications for policy, training, and day-to-day decision-making.

LONDON, UNITED KINGDOM - SEPTEMBER, 4. Entrace door of the Supreme Court of the United Kingdom on September, 4, 2016 in London.
Simon V2
Written bySimon Tyrie
Freddie Nicolle Brace 2
Expert review byFreddie-Nicolle Brace
5m readLast updated: 29 April, 2025