A partner in the Litigation Department, Daniel Reich is a member of the Paul, Weiss International Arbitration Group. Reich regularly represents clients in a broad range of complex international commercial and treaty arbitrations, including energy, life sciences, and mergers and acquisitions disputes. As reported by Global Arbitration Review, Reich’s clients consider him a “great legal and strategic adviser” (2023-2024) and “creative thinker” (2023) with a strong client focus and have praised Reich for “inspiring great trust” (2024) and being “responsive and calm under pressure.” (2024)
For over two decades, Reich has advised states, state-owned entities, corporations and individuals in international arbitration and public international law matters, including numerous commercial and investment treaty disputes; in litigation before U.S. federal and state courts; and in domestic and cross-border investigations by government authorities. He also has extensive experience handling disputes arising from mergers and acquisitions, including valuation and indemnification disputes, and energy-related disputes involving investment treaties, gas supply agreements, power plant sales and construction contracts. Reich has argued before arbitration tribunals in numerous jurisdictions around the world.
Lawdragon Honors
| Honor | Year | Practice |
|---|---|---|
| The 2026 Lawdragon 500 Leading Global Litigators | 2026 | International Arbitration |
| The 2025 Lawdragon 500 Leading Global Litigators | 2025 | International Arbitration |
| The 2024 Lawdragon 500 Leading Global Litigators | 2024 | International Arbitration |
| Lawdragon 500 Leading Global Litigators | 2023 | International Arbitration |
| The Lawdragon Global Litigation 500 | 2021 | International Arbitration |
Reich’s representations include:
- Sanofi in an ICC arbitration in Geneva initiated by German pharmaceutical company Boehringer Ingelheim in a dispute arising from an acquisition concerning liability related to third party claims with Swiss law applied. The tribunal fully dismissed the claims against Sanofi seeking indemnification for potential losses in connection with ongoing mass tort litigation in the United States;
- A North American subsidiary of European energy companies in an ICC arbitration in New York initiated by a North American energy company, disputing the implementation of a put option agreement under New York law;
- A North American company and its Latin American subsidiary in an ICC arbitration in New York initiated by a Latin American construction contractor, concerning an engineering, procurement and construction contract for a power plant construction in Latin America under New York law;
- Cairn Energy PLC in a United Nations Commission on International Trade Law (UNCITRAL) arbitration against the Republic of India under the UK-India Bilateral Investment Treaty, challenging retrospective tax measures, resulting in a unanimous tribunal ruling that India had breached its treaty obligations and awarding damages of $1.2 billion plus interest and costs;
- A European life sciences company in an arbitration brought by a European chemical company seeking indemnification under a share purchase agreement, with German law applied. The Tribunal dismissed the $700 million claim against his client in its entirety and the client’s legal costs were recovered;
- Egyptian Natural Gas Holding Company in multiple arbitrations involving Spanish Egyptian Gas Company and Union Fenosa Gas, with claims exceeding $4 billion under English and Egyptian law, resulting in the dismissal of all claims in ICC and Cairo Regional Centre for International Commercial Arbitration tribunals;
- EDF International in an ICC arbitration in Zurich initiated by a company owned by the German state of Baden-Württemberg, disputing the acquisition of EDF’s stake in a local energy company and raising complex EU law issues under German law; and EDF as claimant in a UNCITRAL arbitration against the Republic of Hungary, arising from the termination of power purchase agreements during electricity sector privatization, with claims brought under the international Energy Charter Treaty;
- A North American agribusiness company in an ICC arbitration initiated by European agribusiness companies, concerning rights of use for proprietary biotechnology under French law; and
- The majority shareholders of the former Yukos Oil Company in connection with enforcement proceedings before U.S. courts for $50 billion in awards related to unlawful treatment and expropriation of investments in Yukos.