definiens: means all : ( a ) unexpired letters patent ( including inventor ’s certificates ) which have not been held invalidor unenforceable by a court of competent jurisdiction from which no appeal can be taken or has been taken within the requiredtime period ( and which have not been admitted to be invalid or unenforceable through reissue, disclaimer or otherwise, or beenabandoned in accordance with or as permitted by the terms of this Agreement or by mutual written agreement ), including anysubstitution, extension, registration, confirmation, reissue, re - examination, supplementary protection certificates, confirmationpatents, patent of additions, renewal or any like filing thereof ; ( b ) pending applications for letters patent which have not beencanceled, withdrawn from consideration, finally determined to be unallowable by the applicable governmental authority or courtfor whatever reason ( and from which no appeal is or can be taken ), and/or abandoned in accordance with or as permitted by theterms of this Agreement or by mutual written consent, including any continuation, division or continuation - in - part thereof andany provisional applications ; and ( c ) any international counterparts to ( a ) and ( b ) above