Jessica Simor KC

Visiting Professor in Practice


Jessica Simor is a leading specialist in public/regulatory, EU and human rights law, with particular experience in the fields of energy, transport, data retention/interception, tax and the environment.  She acts for a wide range of clients, ranging from Governments and Government departments to large companies, regulators, NGOs and private individuals. She was a member of the ICC Task Force on the Arbitration of Climate Change Related Disputes and on the Expert Panel that drew up the Oslo Principles. She is currently acting in the judicial review challenge to the decision of UK Export Finance Department and the Chancellor of the Exchequer to provide UK financing of $1.15bn in respect of Total’s liquid natural gas development in Cap Delgado in Mozambique.  Other recent notable cases include Dos Santos, in R (Miller & Anor) v Secretary of State for Exiting the European Union & Ors [2017] UKSC 5, the challenge to the Prime Minister’s decision to use the Royal Prerogative to notify the EU of the UK’s intended withdrawal under Article 50 of the Treaty on European Union; David and Watson v Secretary of State for Home Department Secretary [2018] EWCA Civ 70, a challenge brought by David Davis MP and Tom Watson MP to the Data Retention and Investigatory Powers Act 2014 (DRIPA); Bloomsbury Institute Limited -v- Office for Students [2020] EWCA Civ 1074 in which the OfS’s approach to determining registration of higher education institutions was struck down. After qualifying as a barrister in 1993 and being given tenancy in Monckton chambers, she went to work in DG11 (Environment) in the European Commission in Brussels, the European Court of Human Rights in Strasbourg and in the Human Rights Ombudsman’s Office in Sarajevo before returning to practice.  She was a founding member of Matrix chambers in 2000, which was set up following the enactment of the Human Rights Act in 1998.  She is the original author of Sweet and Maxwell’s ‘Human Rights Practice’ and now its Consultant Editor. She is a qualified mediator, Vice Chair of the Bar European Group, a fellow of the Bingham Centre, on the Council of Justice, was in 2016 UK nominee for Judge at the European Court of Human Rights and a Bencher of Middle Temple.  She is currently leading a project to advocate for EU legislation with extra-territorial effects to ensure a living wage for workers in the garment sector and has drafted a proposal for an EU Regulation:  Her work increasingly involves advice to trade associations and companies on sustainability issues, including in relation to the EU’s Circular Economy Action Plan. She has written and spoken widely and is highly rated in the Legal Directories.  A more detailed profile and CV can be found here: