Q3 2019: the last three months have proven to be a turbulent period in the UK, with Brexit uncertainty continuing to dominate the headlines. Our Q3 update starts with a key decision arising from the Brexit saga: the Supreme Court’s historic ruling regarding the prorogation of Parliament, also our top case for Q3. We then consider what we have learnt from the High Court about the enforceability of ADR clauses and of ‘mega’ arbitration awards (both decisions reinforcing the importance of careful drafting of dispute resolution clauses), and from the Supreme Court on access by non-parties to documents in litigation and the interpretation of Brussels Recast. In policy updates, we look at developments within the sanctions space and the Serious Fraud Office’s recent guidance for corporates in the context of corruption investigations. ...