Casillo - Advogados is engaged in the practice of corporate and commercial law. The focus of which is on subjects that affect firms and corporations from Brazil and abroad. Professor J. Casillo is the senior member, having been engaged in legal practice since March 25, 1965. This firm is now one of the first fully integrated law firms in Curitiba. Internationally oriented, Casillo - Advogados combines attorneys who have been exposed to the international practice of law. Attorneys here may speak three, some even four languages fluently, therefore the law offices is in a good position to translate foreign legal matters into the Brazilian legal framework.

Corporate and Commercial Law, Tax Law, both Domestic and International, Insolvency Law, Commercial Litigation, Environmental Law, Trademarks and Patents (Industrial and Intellectual Property), Finance Law, Labor Law, Mergers and Acquisitions, Real Estate and Economic Community Law (Mercosur and Regional Treaties).