definiens: shall mean : ( a ) the Patent Rights ; ( b ) proprietary information, discoveries, methods, techniques, data, results and other information of Seller which uniquely relate to the Patent Rights ( including without limitation laborat ory notebooks ), as further described on Exhibit A ; and ( c ) all claims ( including claims for past infringem ent or misappropriation of intellectual property or intellectual property rights ) and cause s of action of Seller against third parties ( regard less of whether or not such claims and causes of action hav e been asserted by Seller as of or prior to the Eff ective Date ) pertaining to or arising out of any of the Pa tent Rights or any items described in Section 1.2(b ), and all rights of indemnity, warranty rights, rights of contribution, rights to refunds, rights of reimbur sement and other rights of recovery possessed by Seller pe rtaining to or arising out of such claims and cause s of action ( regardless of whether such rights are curre ntly exercisable )