Banco Central do Brasil - http://www.bacen.gov.br
Departamento Nacional de Registro de Comércio - http://www.dnrc.gov.br
Junta Comercial do Estado de Pernambuco - http://www.jucepe.pe.gov.br
Ministério da Fazenda - http://www.fazenda.gov.br
Prefeitura do Município do Recife - http://www.recife.pe.gov.br
Presidência da República - http://www.presidencia.gov.br
Previdência Social - http://www.previdencia.gov.br
Procuradoria Geral da Fazenda Nacional - http://www.pgfn.fazenda.gov.br
Receita Federal do Brasil - http://www.receita.fazenda.gov.br
Secretaria da Fazenda do Estado de Pernambuco - http://www.sefaz.pe.gov.br
Justiça Federal em Pernambuco - http://www.jfpe.gov.br
Superior Tribunal de Justiça - http://www.stj.gov.br
Supremo Tribunal Federal - http://www.stf.gov.br
TRF 5ª Região - http://www.trf5.gov.br
Tribunal de Justiça de Pernambuco - http://www.tjpe.gov.br
Conselho Regional de Contabilidade em Pernambuco - http://www.crcpe.org.br
Ordem dos Advogados do Brasil – Seccional Pernambuco - http://www.oabpe.org.br
Alemanha: German Patent and Trademark Office - http://www.dpma.de
Brasil: INPI - Instituto Nacional da Propriedade Industrial - http://www.inpi.gov.br
Brasil: INPI - Instituto Nacional da Propriedade Industrial - http://patents1.ic.gc.ca/
Espanha: Oficina Española de Patentes y Marcas - http://www.oepm.es/
Estados Unidos: USPTO - United States Patent and Trademark Office - http://www.uspto.gov/
França: INPI - Institut National de la Propriete Industrielle - http://www.inpi.fr/front/
Inglaterra: UK Patent Office - http://www.patent.gov.uk/
Japão: Japanese Patent Office Homepage - http://www.jpo.go.jp/
Suíça: Swiss Federal Institute of Intellectual Property - http://www.ige.ch/
World Intellectual Property Organization (WIPO) - http://www.wipo.org
World Trade Organization (WTO) - http://www.wto.org
Convenção de Paris - http://www.bitlaw.com/source/treaties/paris.html
Patent Cooperation Treat - PCT - http://fletcher.tufts.edu/multi/texts/BH562.txt
Patent information on the Internet - http://www.epo.co.at/online/index.htm
Searching for Patents - http://www.lib.umich.edu/aael/bump.php/pattm/patsearch.html
A short guide for patents- Biosciences - http://bioinfo.weizmann.ac.il/bioscience/urllists/patents.htm
Links to Patent and Intellectual Property Resources - http://vincent.bl.uk/cgi-bin/htm_hl?DB=website&STEMMER=en&WORDS=patent+&COLOUR=Olive&STYLE=s&URL=htt
FindLaw.Library - http://library.lp.findlaw.com/intellectualproperty_patents_1.html
Biotechnology Patents - http://www.nal.usda.gov/bic/Biotech_Patents/
DNA Patent.com - http://www.dnapatent.com/
Intellectual Property on the Web - http://ecommerce.ncsu.edu/topics/ip/ip.html
PatentCafe.com - http://www.patentcafe.com/
Patents & Trademarks Webliography - http://www.lib.lsu.edu/sci/ptdl/
Patents, Copyright & Trademark (Legal Encyclopedia) by nolo.com - http://www.nolo.com/encyclopedia/pct_ency.html
IP Menu - http://www.ipmenu.com/
patents.com - Intellectual Property Law Web Server - http://www.patents.com
International Patents Classification - http://classifications.wipo.int/fulltext/ipc/ipc6en/
Current Patents - http://www.current-patents.com/
IDEA - The Journal of Law and Technology - http://www.idea.fplc.edu/
Intellectual Capital Glossary - [Propriedade Intelectual] - http://euro.ecom.cmu.edu/resources/elibrary/icgloss.shtml
IP World Online - http://www.ipworldonline.com/
Patent Glossary - http://www.tms.org/pubs/journals/JOM/matters/matters-9609.html
The Journal of Intellectual Property - http://www.kentlaw.edu/student_orgs/jip/