definiens: means all ( a ) clinical samples, including human sera drawn from clinical trial subjects, collected inProgram Trials, ( b ) all pre - clinical samples or biological materials collected or obtained specifically for use in the S. aureusProgram, ( c ) laboratory reagents or supplies collected or obtained specifically for use in the S. aureus Program, and ( d ) anyother biological, chemical or other materials, compositions of matter, articles of manufacture and assays used by or on behalfof Seller ( or its Affiliates ) in connection with the S. aureus Program and/or any of the S. aureus Vaccines, in each suchcategory to the extent owned, in the possession of, Controlled or used by or on behalf of Seller ( or its Affiliates ) in connectionwith the S. aureus Program and/or any of the S. aureus Vaccines, including such materials described on Schedule 1.1(p ), butexcludes the Retained Program Materials