Rio de Janeiro Rio de Janeiro is the center of the oil and gas business in Brazil and headquarters of the National Petroleum Agency, the industry regulator. It is also the country’s second-leading financial and industrial center and the location of the National Institute of Industrial Property (Patent and Trademark Office), For this reason, the lawyers specialized in these areas are concentrated in Rio de Janeiro.   Address: Av. Rio Branco, 110 – 14th Floor 20040-001 - Rio de Janeiro - RJ Brazil Tel: (55 21) 2132-1855 Fax: (55 21) 2132-1856