Sudhanshu practices arbitration, commercial and public international law. He has acted in leading and landmark cases across his areas of practice.
Sudhanshu is ranked as a leading silk in the fields of commercial litigation and public international law. He was nominated for “International law Silk of the Year” (Legal 500 Bar Awards 2024) and has previously been recognised as one of The Lawyer magazine’s “Hot 100” lawyers. He is described as “substantively excellent and always a pleasure to work with”; as “incredibly tenacious”; and as someone who “really takes the bull by the horns” and who “picks up the fight” (Chambers and Partners, 2025). He is praised for his “outstanding attention to detail” and “precise and concise legal drafting” (Legal 500, 2025). As an advocate he is described as “clear and elegant” (Legal 500, 2025) and as “calm, clear and command[ing] great respect” (Legal 500, 2024).
His public international practice has included some of the leading cases of recent times, both in the English courts and in international courts and tribunals. His practice includes investment arbitration and related court proceedings, immunities, foreign act of state, law of the sea, international environmental law and human rights. He has acted for numerous states (including as lead counsel for the United Kingdom); for state officials; for global corporations; and for NGOs.
Sudhanshu’s commercial practice encompasses shipping; international trade; banking and finance; energy and natural resources; and group/tort claims against multinational corporations. His work often involves challenges to jurisdiction, enforcement and applications for freezing orders and other urgent relief. He has wide experience of international arbitration, including under the UNCITRAL, ICC, LCIA, LMAA and GAFTA Rules. He is also co-chair of the India Committee of the Commercial Bar Association.
Drawing on his background in public international and commercial law, Sudhanshu has developed expertise in climate change. He has acted in several major international test cases (see “Recent work” below), which have attracted worldwide media coverage. He has also lectured extensively on climate change law, both in relation to states and corporations.
Sudhanshu accepts appointments as an arbitrator.
Recent work includes:
- Republic of Mozambique v Credit Suisse AG, Privinvest and Others – claims of over US$2 billion concerning allegations of bribery and corruption, acting in the English Courts for Privinvest, including on issues of jurisdiction and the immunity of a serving head of state.
- AMNSME v LIQS – claims of over US$50million concerning steel trading and trade finance, acting in the Commercial Court for ArcelorMittal group company against Liberty Steel group company.
- Challenge to enforcement of investment treaty arbitration award – acting in the English courts for the State, with related proceedings in several countries.
- Euro Asian SA v Credit Suisse AG and Abilo – dispute about oil trading under cif contracts, letters of indemnity and alleged fraud, acting in the Commercial Court and the Court of Appeal for Euro-Asian.
- Re Al M – high-profile proceedings concerning the children of His Highness Sheikh Mohammed bin Rashid Al Maktoum and Her Royal Highness Princess Haya bint Al Hussein, acting in the English courts for Sheikh Mohammed (the Prime Minister of the UAE and ruler of Dubai) on issues of international law, including immunity and foreign act of state.
- The Enrica Lexie Incident, Italy v India – landmark law of the sea dispute, acting in the International Tribunal for the Law of the Sea and the Permanent Court of Arbitration for Italy.
- Duarte Agostinho v Portugal and others – the first case on climate change filed in the European Court of Human Rights, acting for the United Kingdom. Over 30 states from across Europe adopted Sudhanshu’s oral submissions in the Grand Chamber.
- Case No. 31, Request for an Advisory Opinion on Climate Change and International Law, International Tribunal for the Law of the Sea.
- Torres Strait Islanders v Australia – complaint about Australia’s failure to protect the islands from rising sea levels caused by climate change, acting in the United Nations Human Rights Committee.
- Reyes v Al-Malki – a leading case on diplomatic immunity and human trafficking, Supreme Court
- R v Reeves Taylor – a leading case on the meaning of “torture” under international law, Supreme Court.
- Freedom and Justice Party v FCO – a leading case on immunity and customary international law, Court of Appeal.
Arbitration
A substantial part of Sudhanshu’s practice involves international arbitration, both ad hoc and under institutional rules (eg ICC, LCIA, UNCITRAL, LMAA, FOSFA, FCC, GAFTA and LME). His work encompasses international commercial arbitration; investment treaty arbitration; inter-state arbitration; and related court applications (including for enforcement, challenges to awards under s67, s68 and s69 of the 1996 Arbitration Act 1997 and applications for interim relief under s44).
Examples of his arbitration work are set out below. Further examples are set out in the sections on “Energy and natural resources” and “Shipping and international trade.”
Arbitration applications to court
- Challenge to enforcement of investment treaty arbitration award – acting in the English courts for the State, with related proceedings in several countries.
- Challenge to jurisdiction in relation to an investment treaty award – acting in the English courts for the State.
- Uttam Galva Steels Ltd v Gunvor Singapore PTE Ltd [2019] 1 All ER (Comm) 68; [2018] 2 Lloyd’s Rep 152 – jurisdiction challenge under s67 of the Arbitration Act 1996, raising issues as to whether an arbitration clause in the “Master Sales Contract” between the parties covered claims under related bills of exchange.
- PT Thiess Contractors Indonesia v PT Kaltim Prima Coal [2011] EWHC 1842; [2011] Arb LR 26 – application under s9 of the Arbitration Act 1996 for a stay of English High Court proceedings brought under a “Cash Distribution Agreement” in circumstances where there was an overlapping arbitration in Singapore under a mining services agreement.
- Razcom CI v Barry Callebaut Sourcing AG [2010] EWHC 2598 – application under s66 of the Arbitration Act 1996 to enforce arbitration award, raising issues as to whether “payment” had already been made and/or that payment had been “accepted”.
- STX Pan Ocean Co Ltd v Ugland Bulk Transport A.S. (The “LIVANITA”) [2008] 1 Lloyd’s Rep 86 – application under 69 of the Arbitration Act 1996 to appeal on a point of law in a dispute under a charterparty.
- Bluewater Energy Services BV v Technip Offshore International [2006] EWHC 2879 (Commercial Court) – application under s68 of the Arbitration Act 1996 to set aside an LCIA award for “serious irregularity” in a dispute about the operation of an FPSO.
Investment treaty arbitration
Sudhanshu has lectured extensively on investment treaties. He acts for states and investors, both in arbitration and in related court proceedings. His cases include the following:
- Challenge to enforcement of investment treaty arbitration award – acting in the English courts for the State, with related proceedings in several countries.
- Challenge to jurisdiction in relation to an investment treaty award – acting in the English courts for the State.
- Bechtel and others v Government of India –bilateral investment treaty arbitration relating to the Dabhol Power Station, acted for the Government of India.
- BIT claim v Central Asian State –relating to mining investments, acted for investors.
- BIT claim v Middle Eastern State – relating to property investments, advised investors.
- BIT claim v African State –relating to energy investments, advised investors.
- City of London v Sancheti [2009] 1 Lloyd’s Rep 117 (Court of Appeal) – the first case about the power of the court to stay English Court proceedings where a related bilateral investment treaty arbitration is taking place. The case also concerned the relationship between “contract claims” and “treaty claims”.
Inter-State arbitration
- The Enrica Lexie Incident (Italy v India) PCA Case No. 2015-28 – proceedings at the Permanent Court of Arbitration under Annex VII of the “UN Convention on the Law of the Sea” (see e.g. Order, Request for the Prescription of Provisional Measures, 29 April 2016), acted for the Italian Republic.
Banking and finance
Sudhanshu has broad experience of banking and finance cases, including a string of claims for alleged misselling by banks and claims of alleged fraud. He was also seconded to the Financial Services Authority (Spring 2000), where he advised on aspects of the Financial Services and Markets Bill (as it then was) and acted in regulatory matters. His cases include the following:
- Republic of Mozambique v Credit Suisse AG, Privinvest and Others – claims of over US$2 billion concerning allegations of bribery and corruption, acting in the English Courts for Privinvest, including on issues of jurisdiction and the immunity of a serving head of state.
- Euro-Asian SA v Credit Suisse AG and others [2019] 1 All ER (Comm) 706; [2019] 1 Lloyd’s Rep 444 (Court of Appeal); [2017] 1 Lloyd’s Rep 287 (High Court) – claims against an oil trader and a bank for non-delivery of cargo under a CIF contract of sale and letter of indemnity, raising issues of alleged fraud.
- Uttam Galva Steels Ltd v Gunvor Singapore PTE Ltd [2019] 1 All ER (Comm) 68; [2018] 2 Lloyd’s Rep 152 – jurisdiction challenge under s67 of the Arbitration Act 1996, raising issues as to whether an arbitration clause in the “Master Sales Contract” between the parties covered claims under related bills of exchange.
- Vik v United Kingdom – application in the European Court of Human Rights under Article 6 ECHR (right to a fair hearing) challenging the largest non-party costs order ever made by the English Courts, arising from the litigation in Deutsche Bank AG v Sebastian Holdings Inc and Alexander Vik.
- Sherdley v Nordea Life and Pensions SA (Societe Anonyme) [2012] EWCA Civ 88; [2012] 2 All ER (Comm) 725; [2013] ILPr 26; [2012] Lloyd’s Rep IR 437 (Court of Appeal) – challenge to the jurisdiction of the English Courts to try misselling claims relating to two “Managed Capital Plan” contracts, raising issues as to the provisions of the Brussels Regulation that govern jurisdiction “in matters relating to insurance” and whether there was a jurisdiction agreement for the purposes of Article 23 of the Regulation.
- Hill Street Services Company Ltd v National Westminster Bank plc EWHC 2379 (Ch) (Judgment of Peter Smith J) – claim by the company that the bank had made unauthorised transfers from a current account to the account held by the company’s sole director and shareholder.
- Stax Litigation – claims against banks and IFAs in relation to allegedly fraudulent pension fund transfer scheme, see e.g. [2007] EWHC 143 (Ch) 01 Feb 2007 (Judgment of Warren J).
- FSA v Sean Fradley and 147 Racing Limited (t/a Top Bet Placement Services) [2004] EWHC 3008 (Ch); [2005] 1 BCLC 479; Times Law Reports, 8 November 2004 – proceedings brought by the FSA, raising issues under the Financial Services and Markets Act 2000, including the meaning of “collective investment scheme”.
- Amalgamated Metal Trading v City of London Police Financial Investigation Unit and others [2003] 1 WLR 2711 – a leading case on s93A to F Criminal Justice Act 1993 regarding alleged money laundering and the steps that a bank must take where there is suspicion that a customer’s account represents “the proceeds of crime” within the meaning of the 1993 Act.
Commercial law
Sudhanshu has acted in a variety of commercial disputes, covering matters such as claims for civil fraud, transnational tort claims and group claims against multi-national corporations, jurisdiction challenges and applications for freezing orders.
Examples are as follows:
- Republic of Mozambique v Credit Suisse AG, Privinvest and Others – claims of over US$2 billion concerning allegations of bribery and corruption, acting in the English Courts for Privinvest, including on issues of jurisdiction and the immunity of a serving head of state.
- AMNSME v LIQS – claims of over US$50million concerning steel trading and trade finance, acting in the Commercial Court for ArcelorMittal group company against Liberty Steel group company.
- Euro-Asian SA v Credit Suisse AG and others [2019] 1 All ER (Comm) 706; [2019] 1 Lloyd’s Rep 444 (Court of Appeal) [2017] 1 Lloyd’s Rep 287 (High Court) – claims against an oil trader and a bank for non-delivery of cargo under a CIF contract of sale and letter of indemnity, raising issues of alleged fraud.
- Uttam Galva Steels Ltd v Gunvor Singapore PTE Ltd [2019] 1 All ER (Comm) 68; [2018] 2 Lloyd’s Rep 152 – jurisdiction challenge under s67 of the Arbitration Act 1996, raising issues as to whether an arbitration clause in the “Master Sales Contract” between the parties covered claims under related bills of exchange.
- Civil claims arising from the 2013 terrorist attacks at the “In Amenas” oil facility in Algeria.
- Vik v United Kingdom – application in the European Court of Human Rights under Article 6 ECHR (right to a fair hearing) challenging the largest non-party costs order ever made by the English Courts, arising from the litigation in Deutsche Bank AG v Sebastian Holdings Inc and Alexander Vik.
- Florez and others v Equion Energia Ltd (formerly BP Exploration Company (Colombia) Ltd) [2016] EWHC 1699 (TCC) – represented a group of Colombian farmers claiming for environmental damage caused by the installation of an oil pipeline. The trial, in the Technology and Construction Court, lasted five months and involved multiple expert and factual witnesses. Described in the media as “one of the largest cases in environmental legal history”.
- Young v Anglo American South Africa Ltd and others (No 2) [2014] Bus LR 1434; [2014] ILPr 40 (Court of Appeal); Vava and others v Anglo American South Africa Ltd (No 2); Young v Anglo American South Africa Ltd and others (No 2) [2013] Bus LR D65 (Judgment of Andrew Smith J) – personal injury claims by a large group of South African gold miners, raising an important question of jurisdiction as to whether (under the Brussels Regulation) a South African subsidiary had its “domicile” in England due to the relationship with its English parent company.
- Sherdley v Nordea Life and Pensions SA (Societe Anonyme) [2012] EWCA Civ 88; [2012] 2 All ER (Comm) 725; [2013] ILPr 26; [2012] Lloyd’s Rep IR 437 (Court of Appeal) – challenge to the jurisdiction of the English Courts to try misselling claims relating to “Managed Capital Plan” contracts, raising issues as to the provisions of the Brussels Regulation that govern jurisdiction “in matters relating to insurance” and whether there was a jurisdiction agreement for the purposes of Article 23 of the Regulation.
- Breffka & Hehnke GmbH Co KG v Navire Shipping Co Ltd and others [2013] 1 Lloyd’s Rep 401 – claim for fraud in relation to the signature of clean B/Ls for steel cargoes, raising issues as to the meaning and effect of a “RETLA” clause.
- Chandler v Cape Plc [2012] 1 WLR 3111 (Court of Appeal) – landmark case in which the claimant sued a parent company for asbestosis caused whilst he had been an employee of a subsidiary company, which was no longer in existence. The court held that the parent owed a duty of care in tort directly to the employee of its subsidiary. Lady Justice Arden described the case as being “…of some importance not only to the parties but to other cases”.
- PT Thiess Contractors Indonesia v PT Kaltim Prima Coal (Judgment of Teare J) [2012] EWCA Civ 525 – claim about the proper construction of a “Cash Distribution Agreement” for mining services and whether substantial sums of money, which had not been approved by an arbitral tribunal, had to be transferred into a “Dispute Account” by way of security.
- LCIA arbitration – acted in an LCIA arbitration concerning allegations of professional negligence against an international management consultancy firm.
- Dynastic Maritime Inc v Al Dawood Shipping Lines Ltd [2010] All ER (D) 224 (Feb) (Court of Appeal) – claim under a time charter, raising issues as to the nature of Owners’ obligations in relation to the Vessel’s “Oil Pollution Prevention Certificate” and procedural issues as to the principles that apply where a party fails to comply with an “unless order” and then seeks to set aside the resulting judgment.
- Congentra AG v Sixteen Thirteen Marine SA [2008] EWHC 1615 (Comm); [2009] 1 All ER (Comm) 479; [2008] 2 Lloyd’s Rep 602 – application to set aside a Freezing Order, raising issues as to applicable law, whether a Freezing Order requires an “accrued ” cause of action, whether English law recognises the tort of “wrongful attachment” (in relation to a “Rule B” attachment which had been obtained in New York) and the correct procedure for continuing a freezing order where a substantive arbitration is taking place.
- Hill Street Services Company Ltd v National Westminster Bank plc [2007] EWHC 2379 (Ch) (Judgment of Peter Smith J) – claim by a company that the bank had made unauthorised transfers from a current account to the account held by the company’s sole director and shareholder.
- Stax Litigation – claims against banks and IFAs in relation to allegedly fraudulent pension fund transfer scheme, see e.g. [2007] EWHC 143 (Ch) 01 Feb 2007 (Judgment of Warren J).
- Bluewater Energy Services BV v Technip Offshore International – acted in substantial arbitration and in subsequent court proceedings (Bluewater Energy Services BV v Technip Offshore International [2006] EWHC 2879) concerning the delivery and installation of an FPSO to the Sable Field, off the coast of South Africa.
- Bechtel and Others v Government of India – represented the Government of India in the massive Bilateral Investment Treaty Arbitration (under UNCITRAL rules) relating to the Dabhol Power Station.
- Texuna International Ltd v Cairn Energy Plc – claim for over US$100million arising from unsuccessful bid for oil exploration rights in Turkmenistan.
- Texuna International Ltd v Cairn Energy Plc [2005] 1 BCLC 579 – a leading case on the principles applicable to security for costs applications.
- FSA v Sean Fradley (t/a Top Bet Placement Services) [2004] EWHC 3008 (Ch); [2005] 1 BCLC 479; Times Law Reports, 8 November 2004 – proceedings brought by the FSA, raising issues under the Financial Services and Markets Act 2000, including the meaning of “collective investment scheme”.
- Royal Bank of Canada v Maurice Howell and others; Filmline International v Etheridge and others – represented insurers in film finance litigation concerning the proper construction of a TVC insurance policy and allegations of non-disclosure and misrepresentation.
- Trident Fashions plc (In Administration) (No 2), Re [2004] EWHC 293 (Ch); [2004] 2 BCLC 35; Times, April 23, 2004 Trident Fashions plc (In Administration) (No. 1), Re [2004] EWHC 351 (Ch); [2004] 2 BCLC 28 – shareholders challenging a Company Voluntary Arrangement relating to the retailers “Ciro Citterio” for alleged misrepresentation at the creditors’ meeting.
- Amalgamated Metal Trading v City of London Police Financial Investigation Unit and others [2003] 1 WLR 2711 – a leading case on s93A to F Criminal Justice Act 1993 regarding alleged money laundering and the steps that a bank must take where there is suspicion that a customer’s account represents “the proceeds of crime” within the meaning of the 1993 Act.
- LCIA Arbitration – acted in an LCIA arbitration concerning a dispute over shares in an oil facility in Kazakhstan.
- Jindal Iron and Steel Co ltd and others v Islamic Solidarity Shipping Company [2005] 1 Lloyd’s Rep 57 (House of Lords); [2003] 2 Lloyd’s Rep 87 (Court of Appeal and High Court) – a leading case on the law on cargo claims, raising issues as to the construction of “FIOST” clauses in charterparties and bill of lading contracts and the extent to which The Hague Convention abrogates freedom of contract.
- Schimon Schestowitz Ltd v Security (North West) Ltd [2001] All ER (D) 350 (May) – a tort claim for damages in circumstances where cargo was stolen from a warehouse, raising issues as to vicarious liability for fraud.
- Macieo Shipping Ltd v Clipper Shipping Lines Ltd [2000] 1 Lloyd’s Rep 645 – claim under a time charter for damage caused by fire, raising issues as to liability for allegedly incompetent stevedores.
- Varg Topsides – acted in long running LCIA arbitration concerning the design and construction of the topsides of the Varg FPSO.
Energy and natural resources
Sudhanshu has a wide-ranging practice in the field of energy and natural resources. He has acted in court (including the Technology and Construction Court) and in arbitration on claims relating to, inter alia: EPC Contracts; delay and disruption; variations to work scope; construction and operation of FPSOs; shipbuilding contracts; installation of oil pipelines; operation of power stations; mining services agreements; environmental protection measures; transnational tort litigation; group claims against multinational corporations; claims for personal injury and death; and investment treaties. He has also developed expertise in relation to climate change.
His cases include the following:
- Duarte Agostinho v Portugal and Others (European Court of Human Rights) – the first case on climate change filed in the European Court of Human Rights, acting for the United Kingdom.
- Torres Strait Islanders v Australia (United Nations Human Rights Committee) – claim under the International Covenant on Civil and Political Rights, challenging Australia’s record on fossil fuel emissions and its failure to protect the islands from rising sea levels. The case has gained worldwide media attention and has been described by CNN as a “landmark.”
- Civil claims arising from the 2013 terrorist attacks at the “In Amenas” oil facility in Algeria.
- Florez and others v Equion Energia Ltd (formerly BP Exploration Company (Colombia) Ltd) [2016] EWHC 1699 (TCC) – represented a group of Colombian farmers claiming for environmental damage caused by the installation of an oil pipeline. The trial, in the Technology and Construction Court, lasted five months and involved multiple expert and factual witnesses. Described in the media as “one of the largest cases in environmental legal history”.
- Young v Anglo American South Africa Ltd and others (No 2) [2014] Bus LR 1434; [2014] ILPr 40 (Court of Appeal); Vava and others v Anglo American South Africa Ltd (No 2); Young v Anglo American South Africa Ltd and others (No 2) [2013] Bus LR D65 (Judgment of Andrew Smith J) – personal injury claims by a large group of South African gold miners, raising an important question of jurisdiction as to whether (under the Brussels Regulation) a South African subsidiary had its “domicile” in England due to the relationship with its English parent company.
- Chandler v Cape Plc [2012] 1 WLR 3111 (Court of Appeal) – landmark case in which the claimant sued a parent company for asbestosis caused whilst he had been an employee of a subsidiary company, which was no longer in existence. The court held that the parent owed a duty of care in tort directly to the employee of its subsidiary. Lady Justice Arden described the case as being “…of some importance not only to the parties but to other cases”.
- PT Thiess Contractors Indonesia v PT Kaltim Prima Coal (Judgment of Teare J) [2012] EWCA Civ 525 – claim about the proper construction of a “Cash Distribution Agreement” for mining services and whether substantial sums of money, which had not been approved by an arbitral tribunal, had to be transferred into a “Dispute Account” by way of security.
- BIT claim v Central Asian State – bilateral investment treaty claim relating to mining investments in a Central Asian State, acted for investors.
- Bluewater Energy Services BV v Technip Offshore International – acted in substantial arbitration and in subsequent court proceedings (Bluewater Energy Services BV v Technip Offshore International [2006] EWHC 2879) concerning the delivery and installation of an FPSO to the Sable Field, off the coast of South Africa.
- Bechtel and others v Government of India – bilateral investment treaty arbitration (under UNCITRAL rules) relating to the Dabhol Power Station, acted for the Government of India.
- Texuna International Ltd v Cairn Energy Plc – claim for over US$100million arising from unsuccessful bid for oil exploration rights in Turkmenistan.
- LCIA Arbitration – acted in an LCIA arbitration concerning a dispute over shares in an oil facility in Kazakhstan.
- Varg Topsides – acted in long running LCIA arbitration concerning the design and construction of the topsides of the Varg FPSO.
Insurance
- Sherdley v Nordea Life and Pensions SA (Societe Anonyme) [2012] EWCA Civ 88; [2012] 2 All ER (Comm) 725; [2013] ILPr 26; [2012] Lloyd’s Rep IR 437 (Court of Appeal) – challenge to the jurisdiction of the English Courts to try misselling claims relating to “Managed Capital Plan” contracts, raising issues as to the provisions of the Brussels Regulation that govern jurisdiction “in matters relating to insurance” and whether there was a jurisdiction agreement for the purposes of Article 23 of the Regulation.
- Royal Bank of Canada v Maurice Howell and others; Filmline International v Etheridge and others – represented insurers in film finance litigation concerning the proper construction of a TVC insurance policy and allegations of non-disclosure and misrepresentation.
Private international law
Most of Sudhanshu’s cases have an international element and many raise issues of private international law relating to jurisdiction, applicable law, injunctions and enforcement. His cases include the following:
- Young v Anglo American South Africa Ltd and others (No 2) [2014] Bus LR 1434; [2014] ILPr 40 (Court of Appeal); Vava and others v Anglo American South Africa Ltd (No 2); Young v Anglo American South Africa Ltd and others (No 2) [2013] Bus LR D65 (Judgment of Andrew Smith J) – personal injury claims by a large group of South African gold miners, raising an important question of jurisdiction as to whether (under the Brussels Regulation) a South African subsidiary had its “domicile” in England due to its relationship with its English parent company.
- Sherdley v Nordea Life and Pensions SA (Societe Anonyme) [2012] EWCA Civ 88; [2012] 2 All ER (Comm) 725; [2013] ILPr 26; [2012] Lloyd’s Rep IR 437 (Court of Appeal) – challenge to the jurisdiction of the English Courts to try claims relating to two “Managed Capital Plan” contracts, raising issues as to the provisions of the Brussels Regulation that govern jurisdiction “in matters relating to insurance” and whether there was a jurisdiction agreement for the purposes of Article 23 of the Regulation.
- Congentra AG v Sixteen Thirteen Marine SA [2008] EWHC 1615 (Comm); [2009] 1 All ER (Comm) 479; [2008] 2 Lloyd’s Rep 602 – application to set aside a freezing order, raising issues as to applicable law, whether a freezing order requires an “accrued ” cause of action, whether English law recognises the tort of “wrongful attachment” (in relation to a “Rule B” attachment which had been obtained in New York) and the correct procedure for continuing a freezing order where a substantive arbitration is taking place.
Public international law
Sudhanshu has acted in domestic and international courts and tribunals on a range of public international law issues, including immunities; investment treaties; law of the sea; international environmental law; international organisations; international humanitarian law and human rights law. He has acted in some of the leading cases of recent times. His work includes the following:
UK courts
- Republic of Mozambique v Credit Suisse AG, Privinvest and Others – claims of over US$2 billion concerning allegations of bribery and corruption, acting in the English Courts for Privinvest, including on issues of jurisdiction and the immunity of a serving head of state.
- Re Al M –proceedings relating to the children of His Highness Sheikh Mohammed bin Rashid Al Maktoum and Her Royal Highness Princess Haya bint Al Hussein, acting on the issues of public international law. Judgments on inter-state assurances ([2020] 1 WLR 1858); foreign act of state ([2020] EWHC 2883 (Fam); [2021] EWCA Civ 129 (Court of Appeal)); and head of government immunity ([2021] EWHC 660 (Fam); [2021] EWCA Civ 890).
- R v Reeves Taylor [2019] UKSC 51; [2019] 3 WLR 1073 (Supreme Court) – landmark case on whether “torture” under Article 1 of the United Nations Convention against Torture and s134 of the Criminal Justice Act 1988 can be committed by non-state actors, such as armed rebel groups. The case arose from the prosecution of the former wife of Charles Taylor and events during the first Liberian civil war.
- Freedom and Justice Party and others v Secretary of State for Foreign and Commonwealth Affairs and others [2019] QB 1075; [2019] 2 WLR 578 (Court of Appeal); [2016] EWHC 2010 (Admin) – a challenge to the assertion of “special missions immunity” in relation to the attempted arrest of the Chief of Egyptian Armed Forces for torture. Raised questions , including the principles for establishing a rule of customary international law and the relationship between international law and the common law.
- Reyes v Al-Malki [2017] UKSC 61; [2019] AC 735 (Supreme Court); [2016] 1 WLR 1785 (Court of Appeal) – a leading case on diplomatic immunity, concerning the application of the “Vienna Convention on Diplomatic Relations”.
- R (Campaign Against Arms Trade) v Secretary of State for Business, Innovation and Skills [2017] HRLR. 8; [2017] ACD 103 – judicial review of UK licences for arms sales to Saudi Arabia, concerning the risk of arms being used to commit breaches of international humanitarian law during the conflict in Yemen.
- Al-Juffali v Estrada [2016] 3 WLR 243; [2017] 1 All ER 790 (Court of Appeal) – proceedings concerning the immunity of a permanent representative to an international organization, counsel to an interested party.
- A v Secretary of State for the Home Secretary [2006] 2 AC 221 (House of Lords) – the landmark case on whether evidence alleged to have been obtained by torture is admissible to detain terrorist suspects.
International courts and tribunals
- Duarte Agostinho v Portugal and Others (European Court of Human Rights) –the first case on climate change filed in the European Court of Human Rights, acting for the United Kingdom.
- Case No. 31, Request for an Advisory Opinion on Climate Change and International Law, International Tribunal for the Law of the Sea.
- The Enrica Lexie Incident (Italy v India) PCA Case No. 2015-28 (Permanent Court of Arbitration) – proceedings under Annex VII of the “UN Convention on the Law of the Sea”, represented the Italian Republic.
- The Enrica Lexie Incident (Italy v India) Provisional Measures, Order of 24 August 2015, ITLOS Reports 2015, p182 (International Tribunal for the Law of the Sea) – provisional measures proceedings in the International Tribunal for the Law of the Sea, acted for the Italian Republic.
- Torres Strait Islanders v Australia (United Nations Human Rights Committee) – representing the Islanders in claim under the International Covenant on Civil and Political Rights, challenging Australia’s record on fossil fuel emissions and its failure to protect the islands from rising sea levels, representing the Islanders.
- Chiragov and others v Armenia (2016) 63 EHRR 9 (Grand Chamber of the European Court of Human Rights) – test case relating to the ethnic conflict in the Ngorno-Karabakh region of Azerbaijan, raising issues as to the jurisdictional scope of the ECHR (under Article 1) and whether Armenia exercised “effective control” outside of its territory.
- Del Rio Prada v Spain (2014) 58 EHRR 37 (Grand Chamber of the European Court of Human Rights) – test case challenging prison sentences imposed by Spain on members of ETA, raising issues as to retrospectivity (under Article 7 ECHR) and lawfulness (under Article 5 ECHR).
- Vik v United Kingdom – (European Court of Human Rights) challenge (under Article 6 ECHR) to the largest non-party costs order ever made by the English Courts, arising from the litigation in Deutsche Bank AG v Sebastian Holdings Inc and Alexander Vik.
- X v United Kingdom (European Court of Human Rights) – challenge to the “Regulation of Investigatory Powers Act 2000” (which governs surveillance operations by the UK authorities), based on the right to privacy (Article 8 ECHR) and the right to an effective remedy (Article 13 ECHR).
- Consolidated Contractors International Company SAL and Consolidated Contractors (Oil and Gas) Company SAL v United Kingdom (European Court of Human Rights) – challenge to actions of the English courts in imposing conditions on the right to pursue appeals in the context of high value commercial litigation, based on the right to a fair hearing (Article 6 ECHR).
Investment treaty arbitration
Sudhanshu has lectured extensively on investment treaties. He acts for states and investors, both in arbitration and in related court proceedings. His cases include the following:
- Challenge to enforcement of investment treaty arbitration award – acting in the English courts for the State, with related proceedings in several countries.
- Challenge to jurisdiction in relation to an investment treaty award – acting in the English courts for the State.
- Bechtel and others v Government of India – bilateral investment treaty arbitration relating to the Dabhol Power Station, acted for the Government of India.
- BIT claim v Central Asian State – relating to mining investments, acted for investors.
- BIT claim v Middle Eastern State – relating to property investments, advised investors.
- BIT claim v African State – relating to energy investments, advised investors.
- City of London v Sancheti [2009] 1 Lloyd’s Rep 117 (Court of Appeal) – the first case about the power of the court to stay English Court proceedings where a related bilateral investment treaty arbitration is taking place. The case also concerned the relationship between “contract claims” and “treaty claims”.
Foreign courts
- Minister of Justice and Constitutional Development and others v South African Litigation Centre and another, Case No: CCT 75/2016 (South African Constitutional Court) – concerned the alleged immunity of President Bashir of Sudan from the International Criminal Court arrest warrant for the crime of genocide, led the international counsel team for Amnesty International in amicus curiae intervention.
- Maher Arar v John D Ashcroft, Former Attorney General of the United States, et al (United States Supreme Court) – damages claim by a Canadian citizen against US federal officials who allegedly delivered him to Syria for torture and arbitrary detention under the practice known as “extraordinary rendition”, drafted amicus brief.
- Hamdan v Rumsfeld et al (United States Supreme Court, March to April 2006) – test case challenging the legality of Military Commissions established by the United States to try the detainees at Guantanamo Bay, assisted in drafting amicus brief.
- Chief Justice of Pakistan v President of Pakistan and others (Pakistan Supreme Court, July 2007) – challenge to the suspension from office of the Chief Justice of Pakistan, drafted amicus brief on the principles relating to independence and impartiality of judges.
- Challenge to Law 975/2005 (Colombian Constitutional Court) – challenge to Colombian law regulating the demobilization of paramilitaries, drafted amicus brief on whether under international law the State has a “duty to investigate” widespread human rights abuses.
Shipping and international trade
Sudhanshu has substantial experience of shipping and international trade cases in court proceedings and arbitration (including but not limited to GAFTA, FOSFA, FCC, LMAA). His shipping work includes claims relating to Bills of Lading, Charterparties and COAs and has covered issues such as: a hire dispute following an alleged hijacking off the coast of Somalia; damage caused by contaminated bunkers; wrongful arrest; and claims for alleged fraud in relation to the signature of clean B/Ls for steel cargoes. His recent commodities/international trade work has included a trial of claims for non-delivery under a cif contract, claims under bills of exchange and a GAFTA arbitration concerning alleged late-delivery of cargo.
His cases include the following:
- AMNSME v LIQS – claims of over US$50million concerning steel trading and trade finance, acting in the Commercial Court for ArcelorMittal group company against Liberty Steel group company.
- Euro-Asian SA v Credit Suisse AG and others [2019] 1 All ER (Comm) 706; [2019] 1 Lloyd’s Rep 444 (Court of Appeal) [2017] 1 Lloyd’s Rep 287 (High Court) – claims against an oil trader and a bank for non-delivery of cargo under a CIF contract of sale and letter of indemnity, raising issues of alleged fraud.
- Uttam Galva Steels Ltd v Gunvor Singapore PTE Ltd [2019] 1 All ER (Comm) 68; [2018] 2 Lloyd’s Rep 152 – jurisdiction challenge under s67 of the Arbitration Act 1996, raising issues as to whether an arbitration clause in the “Master Sales Contract” between the parties covered claims under related bills of exchange.
- Breffka & Hehnke GmbH Co KG v Navire Shipping Co Ltd and others [2013] 1 Lloyd’s Rep 401 – claim for fraud in relation to the signature of clean B/Ls for steel cargoes, raising issues as to the meaning and effect of a “RETLA” clause.
- Dynastic Maritime Inc v Al Dawood Shipping Lines Ltd [2010] All ER (D) 224 (Feb) (Court of Appeal) – claim under a time charter, raising issues as to the nature of Owners’ obligations in relation to the Vessel’s “Oil Pollution Prevention Certificate” and procedural issues as to the principles that apply where a party fails to comply with an “unless order” and then seeks to set aside the resulting judgment.
- STX Pan Ocean Co Ltd v Ugland Bulk Transport A.S. (The “LIVANITA”) [2008] 1 Lloyd’s Rep 86 – an unsafe port claim raising an issue as to whether an express safe port warranty in a charterparty applies to a port named in the charter.
- Jindal Iron and Steel Co ltd and Others v Islamic Solidarity Shipping Company [2005] 1 Lloyd’s Rep 57 (House of Lords); [2003] 2 Lloyd’s Rep 87 (Court of Appeal and High Court) – a leading case on the law on cargo claims, raising issues as to the construction of “FIOST” clauses in charterparties and bill of lading contracts and the extent to which The Hague Convention abrogates freedom of contract.
- Schimon Schestowitz Ltd v Security (North West) Ltd [2001] All ER (D) 350 (May) – a tort claim for damages in circumstances where cargo was stolen from a warehouse, raising issues as to vicarious liability for fraud.
- Macieo Shipping Ltd v Clipper Shipping Lines Ltd [2000] 1 Lloyd’s Rep 645 – claim under a time charter for damage caused by fire, raising issues as to liability for allegedly incompetent stevedores.