Rule 126¹⁵¹
Notification by postal services

(1)¹⁵² All notifications by postal services shall be by registered letter.¹⁵³

(2)¹⁵⁴ Where notification is effected in accordance with paragraph 1, the document letter shall be deemed to be delivered to the addressee on the tenth day following its handover to the postal service provider date it bears, unless it has failed to reach the addressee. or has reached him at a later date; In in the event of any dispute concerning the delivery of the document, it shall be incumbent on the European Patent Office to establish that the letter document has reached its destination and or to establish the date on which the letter document was delivered to the addressee, as the case may be. If the European Patent Office establishes that the document was delivered to the addressee more than seven days after the date it bears, a period for which the deemed receipt of that document is the relevant event under Rule 131, paragraph 2, shall expire later by the number of days by which the seven days were exceeded.

(3) Notification in accordance with paragraph 1 shall be deemed to have been effected even if acceptance of the letter has been refused.

(4) To the extent that notification by postal services is not covered by paragraphs 1 to 3, the law of the State in which the notification is made shall apply.