definiens: means activities conducted by a Party in relation to Commercialization ofProducts under a Development & Commercialization Agreement in a country where such Party is not theCommercialization Lead Party following the exercise by such Party of ( a ) the Commercialization Opt - In Right, or(b ) the delivery by such Party of a Juno Co - Commercialization Notice pursuant to Section 3.1.2 of the [COMPANY] LeadCo - Co Agreement, or a [COMPANY] Co - Commercialization Notice pursuant to Section 3.1.2 of the Juno Lead Co - CoAgreement, as further described in Section 3.1.6 of the [COMPANY] Lead Co - Co Agreement, Section 3.1.7 of the JunoLead Co - Co Agreement ( each as applicable ), and the Commercialization Opt - In Terms for the applicableDevelopment & Commercialization Agreement