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Will the UK agree to an extended transition period, keeping it bound by EU rules for longer after exiting the EU? Here, Professor Kenneth Armstrong outlines three “potential models” to extend the transition period, as explored in his new research paper published today.

Kenneth Armstrong, Professor of EU law, explains why discussions about UK membership of Euratom are a bellwether for wider Brexit negotiations

Cambridge’s Professor of European Law reacts to the Supreme Court’s landmark ruling

̽��ֱ��Director of Cambridge's Centre for European Legal Studies offers his initial reaction to the Prime Minister's address

Failure to invoke Article 127 of the EEA Agreement will not keep the UK in a Single Market by the back door after Brexit. ̽��ֱ��UK is only a contracting party to that agreement for limited purposes, says Cambridge professor of European Law.

In a landmark constitutional judgment handed down today, the High Court has put a stumbling block in the way of the Prime Minister’s plan to trigger Article 50 by the end of March 2017. Professor Kenneth Armstrong from the goes through the ruling. 

Cambridge law professor says Article 50 is the only legal mechanism for Brexit, countering assertions by Vote Leave ‘roadmap’ that Article 50 is “not the sole lawful means”. He says the roadmap’s proposals for ‘emergency’ legislation during exit negotiations could actually diminish rather than restore Westminster’s sovereignty.

Kenneth Armstrong (Centre for European Legal Studies) and Michael Dougan ( ̽��ֱ�� of Liverpool) discuss the volume of UK law which derives from the EU.

David Cameron has been widely reported to have agreed to amend the wording on the forthcoming referendum about the UK's position in the EU. But the new wording may not be any better, writes Professor Kenneth Armstrong, Director of the Centre for European Legal Studies.