definiens: means all : ( a ) unexpired letters patent ( including inventor ’s certificates ) which have not beenheld invalid or unenforceable by a court of competent jurisdiction from which no appeal can be taken or has been takenwithin the required time period ( and which have not been admitted to be invalid or unenforceable through reissue, disclaimer or otherwise, or been abandoned in accordance with or as permitted by the terms of this Agreement or by mutualwritten agreement ), including any substitution, extension, registration, confirmation, reissue, re - examination, supplementaryprotection certificates, confirmation patents, patent of additions, renewal or any like filing thereof ; ( b ) pending applicationsfor letters patent which have not been canceled, withdrawn from consideration, finally determined to be unallowable by theapplicable governmental authority or court for whatever reason ( and from which no appeal is or can be taken ), and / orabandoned in accordance with or as permitted by the terms of this Agreement or by mutual written consent, including anycontinuation, division or continuation - in - part thereof and any provisional applications ; and ( c ) any internationalcounterparts to ( a ) and ( b ) above