John Marrin KC
Call: 1974
Silk: 1990
"John is an excellent arbitrator for construction, infrastructure and energy disputes. He possesses all of the key qualities expected of an arbitrator."
Legal 500 UK Bar 2024
Call: 1974
Silk: 1990
"John is an excellent arbitrator for construction, infrastructure and energy disputes. He possesses all of the key qualities expected of an arbitrator."
Legal 500 UK Bar 2024
John Marrin KC specialises in construction, engineering and energy-related disputes. His experience also extends to various other technical fields such as computer software, rail and supply disputes in the oil and gas sector.
John Marrin has practised from Keating Chambers for over 35 years. He served as Head of Chambers from 2005 to 2010. Until 2017, he represented a wide variety of clients in the High Court, the Court of Appeal, the House of Lords and the Supreme Court in England and before various other domestic and international tribunals.
He is a former Recorder of the Crown Court and a former Deputy High Court Judge, sitting both in the Queen’s Bench Division and in the Technology and Construction Court. He is a Chartered Arbitrator and a Fellow of the Chartered Institute of Arbitrators and he is named on various arbitration panels internationally. John Marrin has long experience of acting as an adjudicator and as a mediator. He is a TECBAR Accredited Adjudicator and a CEDR Accredited Mediator.
John Marrin now practises primarily as an Arbitrator.
Appointed to chair arbitration tribunals:
In adhoc proceedings concerning a biomass power plant in Northern Ireland.
By the ICC as the Presiding Arbitrator in a dispute concerning delay to and the termination of construction works in the Middle East.
By the ICC as the Presiding Arbitrator in a dispute over delay to construction works in Kuwait.
By the Parties as the Presiding Arbitrator in a dispute concerning welding and defects to Power Station components in South Africa.
As the Presiding Arbitrator in UNCITRAL proceedings relating to electricity pricing in Saudi Arabia.
In ad hoc proceedings concerning an LNG plant in Oman.
In ad hoc proceedings relating to the construction of a shopping mall in Dubai.
In ad hoc proceedings concerning failures in the piled foundations of an office block in Singapore.
In a dispute under UNCITRAL rules relating to the upgrade of steam turbines at a power plant in Estonia.
By the ICC in proceedings concerning the construction of a water and power plant in Oman.
By the DIAC in proceedings concerning a major earthworks contract in Dubai.
By the ICC in proceedings relating to the construction of an hotel in Tajikistan.
By the ICC in proceedings concerning the refurbishment of a power plant in Trinidad.
In two disputes governed by the Indian Conciliation and Arbitration Act 1996 relating to the refurbishment of steam turbines at a power plant in Uttar Pradesh.
By the ICC in proceedings relating to a contract for operation and maintenance services for a gold mine in the Republic of Guinea.
By the DIAC in proceedings concerning a new office block in Dubai.
By the ICC in a dispute relating to the refurbishment of steam turbines at a power plant in the Philippines.
By the ICC in a dispute concerning the termination of a contract for cladding works in Saudi Arabia.
By the HKIAC in a dispute relating to the termination of a contract for the supply of wafers for use in solar panels.
By the ICC in proceedings relating to the construction of three power plants in Saudi Arabia.
By the ICC in proceedings relating to the construction of an explosives factory in Western Australia.
Appointed as a party-nominated arbitrator:
By the LCIA in proceedings concerning maritime constructions works in Saudi Arabian water.
By the ICC in proceedings concerning the supply of solar panel components to Ukraine.
By the ICC in proceedings concerning the construction of a loading dock in British Columbia.
Appointed as a Co-Arbitrator in LCIA proceedings concerning the termination of construction works in Abu Dhabi.
Appointed as a Co-Arbitrator in LCIA proceedings relating to the termination of a software contract in the Middle East.
Appointed by the ICC as a Co-Arbitrator in proceedings concerning the termination of works to three biofuel power stations in the UK.
In ad hoc proceedings relating to a major hydro-electric power project in Pakistan.
By the ICC in proceedings relating to a new industrial plant installation in Jordan.
By the LCIA in proceedings relating to the construction, operation and management of a waste disposal plant in the South of England.
In ad hoc proceedings relating to welding defects discovered in a major refinery in Kazakhstan.
In ICC proceedings concerning the termination of a contract for the construction of office premises in Moscow.
In ad hoc proceedings relating to the termination of a major Government software contract.
In DIAC proceedings relating to the construction of a new airport terminal in Dubai.
By the LCIA in a dispute relating to turbine foundations at a wind farm in the North Sea.
By the ICC in tri-partite proceedings relating to the termination of a gas-supply contract in the Middle East.
In ad hoc proceedings relating to the construction of a new power plant in India.
In ICC proceedings relating to the construction of a new airport terminal in Oman.
By the ICC in a dispute relating to the construction of a container terminal in the Middle East.
By the ICC in proceedings concerning the construction of a water and power plant in Bahrain.
By the LCIA in relation to a dispute concerning oil liftings in the North Sea.
In ICC proceedings relating to the construction of a new airport in Qatar.
By the ICC in proceedings relating to the construction of infrastructure facilities for a new city in Qatar.
By the ICC in proceedings concerning welding defects in the components of a gas fired power plant.
In SIAC proceedings relating to the supply and construction of steel structures and mechanical plant for the handling of iron ore in North West Australia.
By the LMAA in proceedings concerning the construction and sale of four semi-rigs for use in the North Sea.
In ad hoc proceedings concerning the decommissioning of a nuclear power plant in Eastern Europe.
In HKIAC proceedings concerning the design of a water park in Hong Kong.
By the ICC in proceedings concerning the quality of materials used in the construction of various commercial aircraft.
By the ICC in proceedings relating to the termination of a contract for the construction of a metropolitan railway installation in the Middle East.
Arbitrator appointed as a sole arbitrator:
In ad hoc proceedings concerning the failure of piled foundations of two residential blocks in Hong Kong.
By the HKIAC in proceedings relating to the construction of a public housing estate in Hong Kong.
In ad hoc proceedings concerning the installation of a new communications system throughout the London Underground.
In RIDR proceedings relating to the charges recoverable by a rail franchise company.
By the ICC in a dispute between joint venture parties relating to a project in Romania.
By the Dubai International Arbitration Centre (“the DIAC”) in a dispute relating to the construction of car parking facilities.
By the SIAC in a dispute relating to a fire at an amusement park.
By the ICC in a dispute relating to multiple civil engineering works contracts in Ghana.
By the Institution of Civil Engineers in relation to an earthworks contract in the UK.
In ICC proceedings concerning defects in plants installed in connection with the decontamination of a uranium mining site in Northern Australia.
In tri-partite SIAC proceedings concerning the termination of a contract for the construction of an ethanol plant, a power plant and a sewerage treatment plant in the Philippines.
In ad hoc proceedings concerning the construction of residential premises in Hong Kong.
Dispute relating to the quality of maintenance services a hospital under PFI contract.
Five separate disputes relating to rail construction works.
Dispute between an SPV and an NHS Trust relating to management services to be provided under PFI contract.
Dispute relating to a football stadium.
Dispute relating to the construction of two drilling platforms.
Dispute relating to the sale of a private jet.
Deputy High Court Judge, 2008 – 2014
Bencher of the Inner Temple, 2002
Fellow, Chartered Institute of Arbitrators (FCIArb), 1998
Deputy Judge of the Technology and Construction Court, 1997 – 2014
Recorder of the Crown Cour,t 1997 – 2014
CEDR Accredited Mediator, 1993
Assistant Recorder of the Crown Court, 1993
Queen’s Counsel, 1990
Called to the Bar, Inner Temple, 1974
MA in Law, Magdalene College, Cambridge 1973
From 2005-2010 John Marrin was the Head of Keating Chambers, having previously served both as Treasurer and as Deputy Head of Chambers. He regularly presents papers on topics relating to the Construction Industry and International Dispute Resolution. He supervises students undertaking MSc studies in Construction Law and Dispute Resolution at King’s College, University of London.
Concurrent Delay 18 Construction Law Journal 436, 2002.
Concurrent Delay Revisited, Feb. 2013, SCL Paper No. 179.
Multiple Party Actions in Arbitration, Oxford University Press: Chapter entitled “Multiparty Arbitration in the Construction Industry”, 2009.
"John Marrin knows everything that there is to know about construction arbitration."
"He's extremely forensic and very diligent."
"He is utterly fearless in diving in."
"John's brilliant."
"He's tremendously courteous as an arbitrator."
"John Marrin is extraordinarily well prepared for hearings."
"Total doyen of Arbitrators. Outstanding."
‘John is decisive, efficient and fair.'
'John Marrin has a lovely demeanour and is also intelligent.'
"John is an excellent arbitrator for construction, infrastructure and energy disputes. He possesses all of the key qualities expected of an arbitrator."
"He is a great person to have as chair. He is hugely experienced."
He is an excellent arbitrator. He is thorough, very studious and very astute."
"Heavyweight advocate with decades of experience."
"Exceptionally experienced international arbitrator who is diligent, thorough and careful - a pragmatic chair/president who is the ideal choice for a factually or technically complicated construction, energy or infrastructure disputes."
"Hugely experienced, one of the truly great construction arbitrators."
"An eminent construction silk and arbitrator ... courteous, knowledgeable and nothing seems to faze him."
"Outstanding – experienced, careful and very measured."
John Marrin QC is an “excellent arbitrator” with vast experience. Sources call him “experienced and outstanding” for major construction disputes.
"John is perhaps the pre-eminent construction arbitrator of his generation."
"An eminent arbitrator."
"He handles arbitrations well and is highly recommended."
"He's thorough, careful and thoughtful." "He has the ability to distil and explain complex issues and arguments clearly."
"An absolutely first-class arbitrator"..."He has a real ability to zero in on the important stuff."
"He is just top of the tree, very able and tremendously hard-working"..."In all areas, he was absolutely first-class."