Marval O’Farrell & Mairal is one of Argentina’s leading full-service law firms. The firm often represents local and foreign clients before a variety of courts, including the Supreme Court, in civil, commercial, tax, labor and collective actions. The litigation department is spearheaded by litigation star Ricardo Ostrower. He routinely represents clients in civil and commercial litigation, administrative actions, local and international arbitration proceedings, bankruptcy disputes, and cross-border matters. Fellow partner Santiago Soria is active in corporate disputes, oil and gas, energy, mining, and construction industry disputes, as well as class actions and commercial contracts. Martin Chajchir is an expert in IP litigation, with a dedication to brand, domain name and industrial model and design disputes. Facundo Viel Temperley represents clients in civil, commercial, procedural and manufactured product liability disputes. Recent representations include multinational conflicts and collective actions. Father-son duo Julio Cesar Rivera Sr. and Julio Cesar Rivera Jr. are also recognized for their work in commercial litigation and arbitration.