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Deprecated function: Using ${var} in strings is deprecated, use {$var} instead in include_once() (line 1442 of /home/patently/domains/xepc.eu/public_html/includes/bootstrap.inc).
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A.4a EPC Article 4a Conference of ministers of the Contracting States
A conference of ministers of the Contracting States responsible for patent matters shall meet at least every five years to discuss issues pertaining to the Organisation and to the European patent system.
