Public international law and investor-State disputes

Representing and advising:

• a European sovereign State in an inter-State arbitration concerning the arrest and detention of a vessel, and immunities under international law;
• a European sovereign State in the English courts in enforcement proceedings arising out of a dispute under an intra-EU bilateral investment treaty;
• businesses before the European Court of Human Rights in complaints regarding freedom of expression, property rights and fair trial rights;
• a mining investor in an UNCITRAL arbitration against a central Asian State under an investment law (including parallel proceedings in the English courts);
• a sovereign State on a dispute arising under an international human rights law treaty;
• States on the effects of sea-level rise on statehood, maritime boundaries and related issues;
• States and several State-owned entities on their immunities under international law, and representing States in sovereign immunity disputes before the English courts;
• States on the establishment of an international organisation;
• international organisations on a range of issues, including membership;
• an oil and gas company on the arrest of a vessel by a State;
• an energy investor in its dispute with an African State regarding unlawful taxation, including issues arising under a double taxation agreement;
• oil and gas companies on issues arising from maritime boundary disputes;
• corporations on international criminal law issues arising from business activities in conflict zones;
• development banks on their immunities and dispute resolution options for financing, particularly in emerging markets; and
• FTSE100 companies on the structuring of their investments in high-risk jurisdictions;

Commercial arbitration and litigation

Representing and advising:

• a multinational conglomerate in defending a US$1bn claim brought by a shareholder in relation to a telecoms project (LCIA arbitration);
• an oil and gas company in its defence of a complex US$300m post-M&A tax warranty claim (LCIA arbitration);
• a life sciences company in its defence of a US$800m post-M&A claim concerning alleged breaches of an interim covenant (LCIA arbitration);
• an industrial gas company in successfully obtaining interim relief from an ICC Emergency Arbitrator; 
• a pharmaceutical company in its successful defence of post-M&A warranty claims valued in excess of US$150 million (parallel LCIA and ICC arbitrations);
• a Liberian telecoms company in the English High Court in its successful foreign law tort claim arising out of cyber-attacks carried out by a convicted hacker-for-hire;
• a global investment organization in its defence of claims relating to payments to be made under a deferred consideration mechanism in an SPA;
• private capital investors on shareholder disputes concerning pre-emption rights and allegations of unfair prejudice;
• a national oil company in successfully defending a claim under an English law governed farmout agreement (SIAC arbitration);
• a multinational telecoms company in several complex invoicing disputes with a tower provider valued in excess of US$200 million (parallel LCIA and ICC arbitrations);
• a Russian development company in a US$200m dispute under an English law governed project management agreement, including parallel proceedings in the US and Cyprus courts (LCIA arbitration, conducted in English and Russian);
• an oil and gas company in a dispute with a Latin American State concerning forfeiture provisions under an English law-governed Joint Operating Agreement (UNCITRAL arbitration);
• insurers and insureds on coverage disputes under the Bermuda excess liability form, in the context of claims made by insureds in the telecoms and pharmaceutical sectors;
• an insurer in a dispute under an M&A warranty and indemnity insurance policy;
• a venture capital fund in three parallel arbitrations for the recovery of debts owed under English law financing agreements, including parallel interim relief and insolvency proceedings in offshore courts (parallel LCIA and SCC Expedited Rules arbitrations, conducted in English and Russian); and
• businesses and sovereign States or State-owned entities on claims in the English courts arising out of breaches of international law and foreign torts.

Pro bono work

• Filing complaints with the United Nations Human Rights Committee on behalf of individuals from a Central Asian State who have suffered breaches of their human rights under the International Covenant on Civil and Political Rights, including violations of their rights to freedom of speech and freedom of religion;
• advising NGOs on EU/UK sanctions issues;
• advising an NGO on legislative reform to enable the seizure and repurposing of frozen assets to provide compensation to persons affected by crimes against humanity and war crimes;
• assisting an international NGO providing advice to small and developing States on the negotiation of a treaty for the conservation and sustainable use of marine life in the high seas.

Joshua also regularly appears as a volunteer advocate on behalf of appellants before the Asylum Support Tribunal, working with the Asylum Support Appeals Project (ASAP).