definiens: means, with respect to a Li censed Product, any and all activities ( whether before or after Regulatory Appr oval ) directed to the marketing, promotion Page 3 of 49 and sale of such Licensed Product in the Field in t he Territory after Regulatory Approval for commerci al sale has been obtained, including pre - launch and po st - launch marketing, promoting, marketing research, distributing, offering to commercially sell and com mercially selling such Licensed Product, importing, exporting or transporting such Licensed Product for commercial sale, medical education activities with respect to such Licensed Product, conducting Clinic al Studies that are not required to obtain or maint ain Regulatory Approval for such Licensed Product for a n indication, which may include epidemiological studies, modeling and pharmacoeconomic studies, pos t - marketing surveillance studies, investigator sponsored studies and health economics studies and regulatory affairs ( including interacting with Regulatory Authorities ) with respect to the foregoi ng . When used as a verb, means to engage in Commercialization and and shall have a corresponding meanings