definiens: shall mean the initial period following the granting of a patentderived from the PCT patent application number [ * * ] and included in PATENT RIGHTS by the European PatentOffice during which period, under the rules of the EPO, any notice of opposition must be filed in the EPO, theduration of which period is nine ( 9 ) months from the publication of the mention of grant of the patent ; it beingfurther understood for the purposes of this paragraph 5.5 ( a ) that the date of a final disposal of an opposition means ( i ) if no appeal is filed by any party to the opposition, the date by which notice of appeal is due to befiled as specified in Article 108 of the European Patent Convention ( namely two months afternotification of the decision of the relevant Opposition Division of the European Patent Office ) ; or ( ii ) if an appeal is filed by any party to the opposition, either the date of an unopposed rectifieddecision of the relevant Opposition Division within the meaning of Article 109 of the EuropeanPatent Convention, or the date of a final decision of a Board of Appeal of the European PatentOffice