In case of loss or delay, the EPO accepts evidence of mailing a document only if it was mailed via the postal authorities or if one of the following delivery services was used instead: Chronopost, DHL, Federal Express, Flexpress, TNT, SkyNet or UPS. As evidence, confirmation of registration by the post office or of receipt by the delivery service must be provided at the request of the EPO.
Please note that Rule 82 PCT excusing a delay in the post isand Rule 82quater PCT excusing a delay due to force majeure are not applicable to the priority period, because this provisionthese provisions may only be applied in respect of time limits fixed in the PCT. However, under strict conditions a right of priority may be restored (see points 131 ff). It is, therefore, recommended that an application be filed as early as possible.
R. 82.1 PCT
OJ 2010, 351
Date retrieved: 02 November 2015