World Intellectual Property Organization: Guide to the International Registration of Marks
http://www.wipo.int/madrid/en/guide/guide_partb_2-01.html#P18_881
(viewed: 5 September 2008)

InnoSupport: Supporting Innovations in SME. 7.2 International Regulations. 2005
http://archive.innosupport.net (viewed: 5 September 2008)

World Intellectual Property Organization
http://www.wipo.int/sme/en/case_studies/piuma.html
(viewed: 5 September 2008)

World Intellectual Property Organization
http://www.wipo.int/sme/en/ip_business/ip_protection/when.htm
(viewed: 5 September 2008)

World Intellectual Property Organization
http://www.wipo.int/classifications/en/
(viewed: 5 September 2008)

World Intellectual Property Organization
http://www.wipo.int/sme/en/ip_business/export/export_opportunities.htm (viewed: 5 September 2008)

The International Trademark Association (INTA) is a not-for-profit membership association dedicated to the support and advancement of trademarks and related intellectual property as elements of fair and effective national and international commerce. Copyright © 2008 International Trademark Association,
http://www.inta.org/index.php?option=com_content&task=view&id=189&Itemid=59&getcontent=1 (viewed 9 September 2008)

Further Reading

World Intellectual Property Organization (2007): International Classification of Goods and Services for the Purposes of the Registration of Marks (Nice Classification, 9th ed.)

World Intellectual Property Organization (2007):  International Classification for Industrial Designs (Locarno Classification) The ninth edition that will enter into force on January 1, 2009 is already on sale on the electronic bookshop.