definiens: means any Antibody to the Target ( a ) where such Antibody has been identified, generated, developed, produced or derived by [COMPANY] or a [COMPANY] Sublicensee or its sublicensees and ( b ) the identification, generation, development, production or derivation of such Antibody uses any of the processes claimed or covered by a claim of an issued and unexpired patent included within the Antibody Phage Display Patents ( which has not been held permanently revoked, unenforceable or invalid by a decision of a court or other governmental agency of competent jurisdiction unappealed within the time allowed for appeal, and which has not been admitted to be invalid or unenforceable through reissue or disclaimer or otherwise ) or uses the CAT Know - How and ( c ) which is potentially useful for the development of any Diagnostic Antibody Product and/or any Therapeutic Antibody Product