definiens: . Drug Delivery Technology shall mean formulation, delivery andlor excipient systems and technologies which are proprietary to or subject to Patent Rights within the Control of ELAN, its licensees, licensors, and joint venture partners which are used for or related to delivery of pharmaceutical, diagnostic, therapeutic or medicinal agent, item or product, including without limitation an Antibody or Non - Antibody, to an animal and which is primarily intended to allow such agent, item or product to be administered on an optimized schedule andlor superior diagnostic utility andlor to be administered with reduced side effects andlor to be administered with enhanced efficacy andlor to be administered with better patient -9 - Confidential Treatment Requested by letter dated February1E., 2002 compliance and/or to be administered in reduced dosages . Drug Delivery Technologies shall expressly not include non - proprietary injection or infusion means of delivering an Antibody