These sites provide useful information on international law regarding patents, trademarks and intellectual property rights worldwide:

• www.asipi.org: Interamerican Association of Intellectual Property
• www.aippi.org: International Association for the Protection of Intellectual Property
• www.ibanet.org: International Bar Association
• www.oa.pt: Portuguese Bar Association
• www.wipo.org: World Intellectual Property Organization
• www.wto.org: World Trade Organization
• www.lesi.org: Licensing Executives Society International
• www.ligue.org: International League of Competition Law
• www.inta.org: International Trademark Association
• www.european-patent-office.org: European Patent Office
• oami.eu.int: European Trademark Office
• www.jpo.go.jp: Japanese Patent Office
• www.uspto.gov: United States Patent and Trademark Office
• www.aipla.org: American Intellectual Property Law Association
• www.iccwbo.org: International Chamber of Commerce

Learn more about Brazilian legislation and find useful information about patents, trademarks and intellectual property rights in Brazil:

• www.oab.org.br  - Ordem dos Advogados do Brasil
• www.inpi.gov.br  - Instituto Brasileiro de Patentes e Marcas
• www.abapi.org.br – Brazilian Association of the Intellectual Property Agents
• www.abpi.org.br – Brazilian Association for the Intellectual Property
• www.cni.org.br – National Confederation of the Industries
• www.stf.gov.br – Brazilian Supreme Court
• www.stj.gov.br – Superior Tribunal of Justice
• www.mercosur.org.uy – Mercosur
• www.mct.gov.br – Ministry of Science and Technology
• www.mdic.gov.br – Ministry of Development, Industry and Foreign Trade
• www.fabesp.br – Sao Paulo Research Foundation
• www.faberj.br – Rio de Janeiro Research Foundation