definiens: ( as defined in Section 1.8(a)(iii)),then [COMPANY] will be deemed to be pursuing the Development of such Licensed Product ) or Commercialization ofthe applicable Licensed Product ( including any reasonable periods of customary delay ), then the exclusivityprovision contained in Section 3.4 shall no longer apply to Bluebird and its Affiliates with respect to suchapplicable Licensed Product and the Target Antigen targeted by such applicable Licensed Product ( but only ifCelgene is not pursuing the Development or Commercialization of other Licensed Products targeting such TargetAntigen ) ( and [COMPANY] will provide notice of same to Bluebird upon Bluebird ’s written request ), and after such timeCelgene will not have any enforcement rights under clause ( g ) below with respect to activities under clause ( iii ) ofsuch definition, and neither [COMPANY] nor its Affiliates shall be subject to the exclusivityprovision contained in Section 3.4 ; g