Extending/validating European patents to/in non-contracting states 
Between 1993 and 2009 the European Patent Organisation signed co-operation and European patent extension agreements with a number of European states that are (or at the time were) not party to the EPC. 
OJ 1994, 75
OJ 2004, 619 (BA)
OJ 2010, 10 (ME)
Since 2010, it has concluded further agreements providing for European patents to have effect in non-contracting states. However, these "validation agreements" are not limited to European countries. 
As an applicant for a European patent you thus have a simple and cost-effective way of obtaining patent protection in such countries. If you request extension/validation and pay the extension/validation fee(s) in time, you can have European patent applications (direct and Euro-PCT filings) and patents extended to/validated in these countries, where they will then in principle have the same effect as national applications and patents, will be subject to national law and will enjoy essentially the same protection as patents the EPO grants for EPC contracting states. You can currently request extension to Bosnia-Herzegovina and to Montenegro and validation in Morocco and in the Republic of Moldova. Lists of countries which have concluded an extension/validation agreement with the EPO are available at http://www.epo.org/about-us/organisation/extension-states.html and http://www.epo.org/about-us/organisation/validation-states.html.
The extension and validation systems are largely the same as the designation system for contracting states. For example, the period for payment of the extension/validation fee is the same as the period for payment of the designation fee. However, the extension and validation systems are based not on direct application of the EPC but solely on the relevant national law modelled on the EPC. Hence they are subject to the national extension/validation rules of the country concerned. Further information is available at http://www.epo.org/law-practice/legal-texts/extension-validation-system.html.

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