definiens: ltakurafRiggs Patents " shall mean the following U.S. patents and any and all divi - sionals, continuations, continuations · in - part of any application from which these U.S patentsclaim priority, including reissues, reexaminations or extensions of these patents and foreigncounterparts and supplementary protection certificates of the foregoing : U.S.4,356,270U.S. 4,366,246U.S. 4,425,437U.S. 4,431,739U.S. 4,563,424U.S. 4,571,421U.S. 4,704,362U.S. 4,812,554U.S. 5,22 1,619U.S. 5,420,020U.S. 5,583,013The shall mean U.S. Patent No . 6,331,415 issued De - cember 18, 2001, and any and all patents issuing from divisionals, continuations, or continua - tions - in - part of any application from which U.S. Patent No . 6,331,4 15 claims priority, includingreissues, reexaminations or extensions of these patents and foreign counterparts and supplemen - tary protection certificates of the foregoing . Cabilly Coexpression Patents shall not include Ca - billy Chimera Patents identified below