Peroni Sosa Tellechea Burt & Narvaja

Peroni Sosa Tellechea Burt & Narvaja ("PSTBN") is one of Paraguay’s largest and most prestigious law firms. Founded in 1968, the firm’s reputation rests on its commitment to meeting clients’ needs across a range of practice areas. Over the past five decades, PSTBN has played an active role in legal innovation in Paraguay, advising the government on the development of strategies and working closely with the National Congress to draft and enact new laws. PSTBN has also played an active role in promoting university education.

PSTBN offers a broad range of legal services to clients involved in international and domestic transactions. The firm specializes in mergers and acquisitions, foreign investment, maritime and aviation law, telecommunications, banking and finance, mining and oil exploration projects, labor relations, civil litigation, tax law, advice to government agencies and legislative bodies, maquila projects, licensing and franchise agreements, and intellectual property matters.

A significant part of PSTBN’s practice is representing clients in landmark cases, as claimants or defendants. Its intellectual property department, equipped with the latest technology, handles all matters relating to trademarks, copyright and patents in Paraguay for local and foreign clients. PSTBN specializes in foreign investment and tax law and has published major works such as "Temas de Derecho Tributario", "Régimen de Maquila" and "Ley 125/91 (Comentada y concordada)."