Public International Law

Legal Advisory for Governments, Corporations, and International Stakeholders

International legal issues require a deep understanding of treaty obligations, cross-border governance, international dispute forums, and the strategic considerations that shape state and commercial behaviour. Whether managing diplomatic sensitivities, navigating treaty frameworks, or responding to disputes before international bodies, clients require advice that is technically precise, strategically grounded, and globally informed.

Potentia Litigation acts for governments, public institutions, multinational corporations, and commercial entities engaged in matters involving international law, global regulatory frameworks, and multi-jurisdiction disputes. We support clients in protecting their interests, complying with complex international obligations, and resolving cross-border conflicts through negotiation, arbitration, or litigation.

How We Assist

Treaty Interpretation, Negotiation & Compliance

We provide legal and strategic guidance on treaties, conventions, and international agreements, including:

  • Interpretation and application of multilateral and bilateral treaties
  • Assistance in treaty negotiation and drafting
  • Compliance with international legal obligations
  • Engagement with foreign governments and international organisations
  • Risk assessment relating to treaty breaches or state responsibility
Our advice supports policy formation, diplomatic engagement, and international governance initiatives.
Disputes Before International Courts & Arbitration Panels

Potentia Litigation represents states, state-owned enterprises, and corporations in international dispute resolution, including:

  • Proceedings before the International Court of Justice (ICJ)
  • Arbitration under ICSID, UNCITRAL, PCA, and other tribunals
  • State-to-state and investor-state disputes
  • Disputes arising from treaty violations or cross-border conduct
  • Negotiated settlements and pre-arbitration diplomacy
We manage complex jurisdictional, procedural, and evidentiary issues inherent in international litigation.
Sovereignty, Diplomatic Recognition & Territorial Advisory

We advise clients on matters central to statehood and geopolitical engagement, including:

  • Sovereignty and jurisdictional claims
  • Diplomatic recognition and international status issues
  • Maritime boundaries, territorial disputes, and resource rights
  • Immunities of states, diplomats, and international organisations
  • Compliance with Vienna Convention obligations and diplomatic protocols
Our work supports both governmental policy and commercial ventures affected by sovereignty determinations.
Trade Law & Global Economic Frameworks

We guide governments and corporations through international trade obligations, with advice on:

  • WTO agreements and dispute mechanisms
  • Compliance under bilateral and multilateral trade agreements
  • Market access, tariffs, subsidies, and non-tariff barriers
  • Investment treaties and protections for foreign investors
  • Anti-dumping, countervailing duties, and safeguard investigations
We help clients navigate and mitigate trade law risks affecting global operations, supply chains, and investment activities.
Cross-Border Legal Conflict Resolution & Forum Strategy

Multi-jurisdiction disputes require careful management of conflict-of-laws issues, forum selection, and enforcement. We assist with:

  • Cross-border legal conflict resolution
  • Jurisdictional assessment and forum selection strategy
  • Enforcement of foreign judgments and arbitral awards
  • Coordination of multi-state legal teams and proceedings
  • Managing conflicts between domestic and international regulatory frameworks

We help clients position themselves advantageously in disputes involving multiple legal systems.

Our Approach

Deep International Expertise

We combine legal precision with practical understanding of treaty systems, global institutions, and diplomatic processes.

Strategic, Geopolitically Aware Advice

International matters require sensitivity to political, cultural, and economic dynamics. Our guidance reflects these realities.

Multidisciplinary Collaboration

We work alongside economists, foreign policy specialists, and sector experts to strengthen arguments and outcomes.

Strong Advocacy in International Forums

Our team manages complex evidentiary, jurisdictional, and procedural issues before international courts and arbitration panels.

Clear, Practical Communication

We distil complex international frameworks into accessible guidance to support decision-making for governments and corporate leaders.

Why Clients Choose Potentia Litigation

Experienced

Experience across public international law, trade law, and cross-border disputes

Advisory capability

Advisory capability for governments, corporations, public bodies, and global institutions

Strong representations

Strong representation before international courts and arbitration tribunals

Strategic insight

Strategic insight into sovereignty, jurisdiction, and state conduct

Integrated understanding

Integrated understanding of global treaties, economic frameworks, and diplomatic protocols

Common Situations Where We Help

Clients typically engage us when:

  • A treaty requires interpretation or renegotiation
  • A dispute is emerging before an international court or panel
  • A territorial or sovereignty issue affects investment or policy
  • A corporation is expanding into or operating within complex foreign jurisdictions
  • Trade law non-compliance threatens market access or exposes the business to penalties
  • Cross-border litigation requires coordinated jurisdiction and strategy
  • International obligations intersect with domestic legislation or policy goals

Early advisory ensures alignment with global legal standards and reduces exposure in disputes.

Frequently Asked Questions

It governs the rights and obligations of states, international organisations, and, in some cases, corporations and individuals interacting across borders.

Yes — we advise and represent parties in investor-state disputes under international investment agreements.

Yes. WTO rules, bilateral agreements, and investment treaties all create enforceable commitments that may affect domestic law and commercial conduct.

They may involve negotiation, arbitration, or litigation before international courts with reference to treaties, historic rights, and customary international law.

Forum selection, conflict-of-laws principles, and contractual jurisdiction clauses all play a role. We assist in determining and securing the most favourable forum.

Speak With Us Today

For high-level advisory or representation in public international law, treaty compliance, cross-border disputes, or international arbitration, contact Potentia Litigation for a confidential consultation.