definiens: means any product whose purpose is to modulate animmune response that contains ( a ) red blood cells ( RBCs ) and ( b ) one or multiple Antigen(s ) and, absentthe licenses granted herein, could not be developed, used, manufactured, imported, marketed, sold oroffered for sale without infringing a Valid Claim of an [COMPANY] Patent Right, other than RBC - containingproducts ( i ) whose intended primary mechanism of action is other than eliciting an Antigen - specificimmune response or ( ii ) whose primary purpose is to elicit immune tolerance to a Therapeutic Enzymethat modulates a metabolite(s ) set forth on Part A of Schedule 1.46, wherein the RBCs contain a portionor derivative of the Therapeutic Enzyme that modulates a metabolite(s ) set forth on Part A of Schedule1.46 that is sufficient to elicit the immune tolerance . For the avoidance of doubt, Licensed Products donot include products wherein the RBCs contain only Immune Activator(s ) and not Antigen(s )