Koye has an international commercial practice which encompasses shipping, international trade, energy, insurance, and aviation. He also has a particular interest in issues engaging insolvency, equitable principles, and unjust enrichment. He regularly appears in the High Court and has also appeared in the Court of Appeal and Privy Council, and is also currently appearing in the Belgrade Special Court as a representative of the Cypriot holding company of Miroslav Miskovic in ongoing criminal proceedings against Mr Miskovic and others.
Prior to joining Quadrant Chambers, Koye worked in the litigation team (EMENA) of an energy multinational between 2012 and 2014. During that time, he advised on various matters including historical misallocation of processed oil and gas under a Production Sharing Agreement, interpretation of gas price review clauses in long- term gas supply agreements, and the purchase of assets in the administration of a joint venture partner. He also acted in several multi-million dollar arbitrations, including:
Koye also worked at the Court of Appeal before joining Chambers, serving as the Judicial Assistant to the Chancellor, Sir Terence Etherton, for two terms. He was also a Visiting Tutor at King’s College London where he taught Contract Law, and the Law of Trusts and Equitable Remedies.
He graduated with a first class degree in law from King’s College London, and a distinction in the BCL from the University of Oxford.
‘He is a rising star; a good public speaker and very personable with clients.’(Legal 500 2019)
Koye’s shipping work encompasses all types of charterparty and bill of lading disputes. He has acted as junior counsel (led by Simon Croall QC) in a multi-million-dollar arbitration dispute concerning the effect on a time charterparty of a prolonged detention of a vessel by Venezuelan local authorities. The case raised issues of frustration, causation, and the construction of off-hire clauses. He has also appeared in two subsequent attempts to appeal partial final awards made in the arbitration proceedings pursuant to a clause conferring an express right of appeal on a question of law in ST Shipping and Transport Pte Ltd v Space Shipping Ltd  EWHC 880 (Comm) and  EWHC 2808 (Comm).
He also acted in Regulus Ship Services Pte Ltd v Lundin Services BV  EWHC 2674 (Comm) – (led by Yash Kulkarni) This was a case arising out of the towage of an FPSO from Tunisia, through the Cape of Good Hope, on to Labuan, Malaysia. It raised issues as to the proper construction and operation of a towage contract on BIMCO Towcon form.
Other cases that Koye had been instructed in, and are illustrative of his general dry shipping practice include:
Koye has recently appeared on behalf of a shipyard (led by Simon Rainey QC) in arbitration proceedings arising out alleged defects in the HVAC system of a luxury superyacht.
Koye has experience of advising on, and acting in wet shipping cases. Most recently, he was instructed in The Atlantik Confidence  EWHC 2412 (Admiralty), a landmark case in the Admiralty Court regarding the breaking of limits under the Limitation Convention 1976 (as amended in 1996). It is the first case in which an English Court has determined that a person was barred from relying on the limits provided by the Convention, in this case, on account of having deliberately sunk its own vessel. He was led by Robert Thomas QC and Thomas Macey-Dare QC.
He is also currently instructed in a general average claim (led by Luke Parsons QC and Stewart Buckingham) arising in the context of ransom payments to pirates to procure the return of an oil tanker captured between the Indian Coast and Somali Coast.
He has also recently acted on behalf of the ship in an LOF salvage arbitration (led by David Goldstone QC) in respect of a vessel that was the subject of a fire shortly after commencing its laden voyage from Jebel Ali, Dubai.
In addition, he was instructed in general average claims representing cargo interests (led by John Passmore QC) in respect of an application by owners to sell cargo on board a vessel, in the absence of security for a general average contribution.
Koye also has experience of collision and salvage disputes. He has recently drafted collision statements of case, and advised on apportionment and the application of the "egg shell skull" rule in the context of collisions.
Koye regularly works on large commercial disputes, in both arbitration and high court litigation. He also frequently advises on most private law areas, and has a particular interest in the role of equitable principles in commercial relationships.
Amongst other cases, he is currently instructed in:
He was also instructed on an $80 million aircraft redelivery dispute due for trial in Trinity term 2016. The case raised several interesting issues arising from an alleged failure to properly redeliver two Airbus A340s aircraft. The case settled shortly before trial.
Koye has also recently appeared at the Court of Appeal in WH Smith Travel Holdings Limited v Twentieth Century Fox Home Entertainment Limited  EWCA Civ 1188 (led by Stephen Cogley QC). In this case, the Court of Appeal considered whether the relationship between two parties to a sale and long-term sale agreement was such as to form a running account, and if so, the effect to which that affected the burden of proof.
He has also assisted on a number of cases, including T&L Sugars Ltd v Tate & Lyle Industries Ltd  EWHC 2696 (Comm) (assisting Yash Kulkarni), a dispute arising out of the sale of Tate & Lyle’s European sugar business.
Koye has substantial experience in respect of energy disputes. During his time at the litigation team of an energy multinational, Koye advised on various matters, which are largely confidential, but which included issues such as:
Koye has also been recently instructed in respect of oil and gas trading agreements. In particular, he is instructed in
Koye acts in wide ranging commodities cases, his experience in-house within the litigation team of an energy multi-national put him at the heart of commodities disputes and international trade. Koye also regularly provides assistance and advice in support of GAFTA arbitrations.
Amongst other cases, Koye is currently instructed in:
Koye was also involved T&L Sugars Ltd v Tate & Lyle Industries Ltd  EWHC 2696 (Comm) (assisting Yash Kulkarni). Part of the trial involved issues relating to Inward Processing Relief under EU and HMRC rules; and issues as to futures positions taken out in relation to the purchase of raw sugar and the sale of refined sugar)
Koye acts on a broad range of arbitrations administered by the ICC, LMAA and LCIA. He also acts in support of trade arbitrations involving GAFTA and FOSFA.
He recently acted in an LCIA arbitration proceedings for unpaid sums under a brand licensing agreement, in the broader context of a sale and purchase agreement.
He is also currently acting as junior counsel (led by Simon Croall QC) in a multi-million-dollar arbitration concerning the effect of a prolonged detention of a vessel by Venezuelan authorities on, a time charterparty on Shelltime 4 form. The case raised issues of frustration and the construction of off-hire clauses
His in-house experience in the litigation team of one the world’s largest energy multi-nationals also saw him acting as advocate on:
Aviation takes up a significant part of Koye’s practice. He has advised on various issues, including:
He recently appeared in the Privy Council (led by Tim Marland) for landing gear manufacturers in an appeal from the Bahamain Court of Appeal. The appeal arose in the context of a claim for damages by Bahamasair on the ground that the landing gear manufacturers failed in their duty to warn Bahamasair of certain alleged design defects in the shock strut apparatus of the Bombardier Dash-8 300 models. The appeal raises question of causation, and the standard of burden of proof. The Board's decision on the appeal is yet to be published.
He is also currently instructed on behalf of an aircraft lesee in Court proceedings for unpaid sums raising issues of illegality.
He has also recently advised on issues arising out of the fraudulent sale of an executive jet, including issues relating to ownership of aircraft and avenues available for recovery of the sums paid under the fraudulent transaction.
Koye was also instructed on an $80 million aircraft redelivery dispute due for trial in Trinity term 2016. The case raised several interesting issues arising from an alleged failure to properly redeliver two Airbus A340s aircraft. The case settled shortly before trial.
He was involved (assisting Tim Marland) in Foster v Action Aviation  EWCA Civ 1368. The case concerned the sale and purchase of an SJ30 aircraft, and raised issues on agency and fraudulent misrepresentation.
Koye has also recently been instructed by for airlines in several matters concerning flight tickets purchased at erroneously low published fares, which were cancelled by the respective airlines upon discovery of the mistaken fares. The cases raise interesting issues as to whether those contracts were void for unilateral mistake.
Koye has a developing insurance practice, and has most recently advised on the following:
Koye has a growing insurance practice, and has most recently acted in advised on the following:
Koye was also involved in Ted Baker v AXA Plc  EWHC 4178 (Comm) (assisting Tim Marland), a case arising out of business interruption losses suffered as a result of systematic theft of the Claimants’ merchandise by one of its employees.
He has also been instructed on behalf of insurers in respect of an equine insurance dispute, raising, issues concerning the scope of cover, and whether on proper construction of the policy the claim made by the insured fell within an express exception to cover.
‘He is a rising star; a good public speaker and very personable with clients.’(Legal 500 2019)
LLB, King’s College London, 2010 (First Class).
BCL, University of Oxford, 2012 (Distinction).
BPTC, BPP Law School, 2011 (Very Competent).
Kaplan Prize for Commercial Arbitration (2010) – King’s College London.
Ruth Deech Prize for performance on the BCL (2012) – St Anne’s College, Oxford.
Visiting Tutor, King’s College London – Elements of the Law of Contract, and The Law of Trusts and Equitable Remedies.
Worked for two years in-house within the litigation team of an energy multi-national.