definiens: means, with respect to the Licensed Product, any and all activities ( whether before or after Regulatory Approval)directed to the marketing, promotion, distribution and sale of the Licensed Product in the Field in the Territory or the Optional Territory(if applicable ) after Regulatory Approval for commercial sale has been obtained, including pre - launch and post - launch marketing, promoting, distributing, offering to commercially sell and commercially selling the Licensed Product, importing, exporting or transportingthe Licensed Product for commercial sale, conducting Clinical Studies that are not required to obtain or maintain Regulatory Approvalfor the Licensed Product for an indication, which may include epidemiological studies, modeling and pharmacoeconomic studies, post - marketing surveillance studies, investigator sponsored studies and health economics studies and regulatory affairs ( includinginteracting with Regulatory Authorities ) with respect to the foregoing . When used as a verb, means to engage inCommercialization and and shall have corresponding meanings