4.2 National prior rights 

National applications may have been filed in one or more of the contracting states designated in the European patent application before its filing or priority date and then published as national applications or patents on or after that date. Although such Such applications do not prevent granting a European patent, but are only a potential ground for revocation in the state or states concerned, and so they may be are important for the applicant (see H‑III, 4.4). and so, if If any are found during the search, they will be mentioned in the search report for information (see B‑X, 9.2.6).