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Guide for applicants, Part 2: PCT procedure before the EPO (Euro-PCT Guide)

 
 
Who may file a demand for international preliminary examination with the EPO?
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Sole applicants must have their residence in, or be a national of, a PCT contracting state bound by PCT Chapter II. If there are two or more applicants, at least one of them must meet these requirements. Secondly, the international application must have been filed with a receiving Office of or acting for a PCT contracting state bound by PCT Chapter II.
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At 1 January 2014, all PCT contracting states were bound by Chapter II and, therefore, these requirements do not stand in the way of any applicant wishing to file a demand for a pending international application.