With extensive experience over more than 40 years, Philippe Derouin is widely respected in the French market, and by international clients and other professionals.
He currently works as an independent adviser, expert or litigator. He is best known for:
- Complex tax controversies before French courts, the European Court of Justice, the European Court of Human Rights and courts in Monaco.
- Expert opinions in other jurisdictions (US) on matters involving foreign tax credits for French taxes and international arbitration (e.g. LCIA) relating to investment in French-speaking countries.
- Tax, and corporate law advice, on mergers and acquisitions, corporate reorganisations, both in domestic and cross-border contexts.
Current areas of growth are tax controversy and independent opinion on complex/important transactions.
Throughout his career, he has worked on key merger transactions (Stallergenes/Greer, Match/Meetic, Air France/KLM, SCOR/MRM, Sanofi/Aventis…). He obtained landmark decisions (Alitalia, Roval, Satam, Fonds turbo, …) and groundbreaking test cases (Golovan/Ukraine, Sudfer, Layher) that have been pivotal for French law or stunning for their significance, such as the challenge of the French 3% surcharge on dividends, now abolished.
A member of the Paris bar since 1973, he has been a partner at three major multinational law firms, namely Gide Loyrette Nouel (1987–1999), Linklaters (1999–2008) and Skadden Arps Slate Meagher & Flom (2008–2015).
Industry sectors include: Financial services (SCOR SE a reinsurance company, The Carlyle group), retail and consumer products (LVMH), pharmaceuticals and life sciences (Ares life sciences Stallergenes/Greer), professional services (certain members of multinational partnerships), utilities (motorway companies), mining and metals (Glencore-Xstrata for the Koniambo site in New-Caledonia).