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Public and Private International Law

Public and Private International Law

We have a large group of members practising in several areas of international law. Members at Matrix have excellent reputations, acting in cases before the International Court of Justice, the International Criminal Court, the International Tribunal for the Law of the Sea and the criminal courts and tribunals established for the former Yugoslavia, Rwanda, Sierra Leone, Lebanon, Cambodia and East Timor. To find out more about our arbitration experience, please see our dedicated page.

We have expertise in advising on issues in commercial contractual disputes involving jurisdiction or choice of law. We have acted for individuals, governments and corporations in claims involving human rights, employment, insurance and consumer disputes.

Specialist areas

Our specialist areas include rules governing international trade, land and maritime boundary disputes, natural resources, environmental protection, climate change and international human rights. We have worked for international organisations and our members have represented states in the ICJ and ICC. We were involved in the Australia v Japan, ICJ Reports 2014, p. 226 litigation in the ICJ, concerning Japan’s whaling activities in the Pacific Ocean. We also acted in Georgia v Russia, ICJ Reports 2011, p.70 before the ICJ and in the recent maritime and territorial boundary dispute Croatia v Slovenia. Three Matrix members have been involved in the cases involving Al-Gaddafi and Al-Senussi. We have specialists in international commercial arbitration and who led the team advising on three investment treaty claims against the Government of Belize, arising out of the nationalisation of the telecoms provider, Belize Telemedia Ltd.

We also acted for Croatia before the ICJ in Croatia v Serbia ICJ, 3 February 2015, a case concerning the Genocide Convention.


See former member Prof. James Crawford AC SC discuss his role in the Whaling case between Australia and Japan in the International Court of Justice in his Matrix International interview. Michelle Butler discusses the types of disputes that arise from post-conflict situations and some of the cases she has worked on. Tamara Jaber discusses the State responsibility to protect.


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Alex Bailin QC
Called: 1995 Silk: 2010
Lord (Daniel) Brennan QC
Called: 1967 Silk: 1985
Joanna Buckley
Called: 2011
Michelle Butler
Called: 2007 Solicitor: 2002
Prof. Christine Chinkin
Called: 2003
Ayesha Christie
Called: 2014
Kate Cook
Called: 1990
Edward Craven
Called: 2007
Raj Desai
Called: 2010 Solicitor: 2007
Prof. Zachary Douglas QC
Called: 2006 Silk: 2015
Danny Friedman QC
Called: 1996 Silk: 2013 Called: 2001 (Northern Ireland)
Nicholas Gibson
Called: 2009, Called: 2020 (Ireland) Solicitor: 2004
Jonathan Glasson QC
Called: 1996 Silk: 2013
Richard Hermer QC
Called: 1993 Silk 2009
Sir Anthony Hooper
Called: 1965 Silk: 1987
Raza Husain QC
Called: 1993 Silk: 2010
Darryl Hutcheon
Called: 2014
Tamara Jaber
Called: 2013
Jessica Jones
Called: 2013
Phillippa Kaufmann QC
Called: 1991 Silk: 2011
Thomas Kibling
Called: 1990
Samantha Knights QC
Called: 1996 Silk: 2018
Helen Law
Called: 2005
Rachel Logan
Called: 2008
Lord Ken Macdonald QC
Called: 1978 Silk: 1997
Prof. Jonathan H. Marks
Called: 1992
Zoe McCallum
Called: 2016
Helen Mountfield QC
Called: 1991 Silk: 2010
Blinne Ní Ghrálaigh
Called: 2005 (England and Wales); 2013 (Northern Ireland); 2017 (Ireland)
Aidan O’Neill QC (Scot) QC
Called: 1996 Silk: 1999
Prof. Philippe Sands QC
Called: 1985 Silk: 2003
Ben Silverstone
Called: 2009
Jessica Simor QC
Called: 1992 Silk: 2013
Paul Skinner
Called: 2010
Hugh Southey QC
Called: 1996 Silk: 2010 Called: 2010 (Northern Ireland)
Dan Squires QC
Called: 1998 Silk: 2016
Mark Summers QC
Called: 1996 Silk: 2014
Hugh Tomlinson QC
Called: 1983 Silk: 2002
Antony White QC
Called: 1983 (England & Wales) Silk: 2001 Called: 2016 (Northern Ireland)