This case was seen by the Supreme Court of the United Kingdom. It concerned whether the Secretary of State could trigger article 50 of the Treaty of Lisbon without prior Parliamentary legislation, as well as whether the devolution settlements imposed legal restrictions on the Secretary of State’s exercise of this power.

This case was seen by the House of Lords. It concerned the correct interpretation of the Parliament Act 1911, and the validity of the Parliament Act 1949 and the Hunting Act 2004.

Headnote This case was seen by the Supreme Court. The Government’s 2019 prorogation was deemed unlawful as in the particular...