definiens: means, on an Initial Licensed Product - by - Initial Licensed Productand country - by - country basis, the first sale of such Initial Licensed Product in such country for use orconsumption by the general public ( following receipt of all Regulatory Approvals that are required in orderto sell such Initial Licensed Product in such country ) and for which a Selling Party has invoiced sales ofInitial Licensed Products in the Territory ; provided, however, that the following shall not constitute a FirstCommercial Sale : ( a ) any sale to an Affiliate or Sublicensee, unless such Affiliate or Sublicensee is thelast Person in the distribution chain of such Initial Licensed Product ; or ( b ) any [ * * * ] of such InitialLicensed Product [ * * * ] with respect to such Initial Licensed Product by or on behalf of a Selling Party, or [ * * * ] of such Initial Licensed Product for [ * * * ], or [ * * * ]