Visit the following links for more information:
General information regarding the Madrid Protocol
http://www.wipo.int/madrid/es/general/
http://protocolodemadrid.impi.gob.mx/index.html
List of Members
http://www.wipo.int/treaties/es/ShowResults.jsp?lang=es&treaty_id=8
FAQs
http://www.wipo.int/madrid/es/faq/
http://protocolodemadrid.impi.gob.mx/Preguntas.html
We are at your service should you have any questions.