definiens: means all : ( a ) unexpired letters patent ( including inventor ’s certificates ) which have not been held invalid or unenforceable by a court ofcompetent jurisdiction from which no appeal can be taken or has been taken within the required time period ( and which have not been admitted to be invalid orunenforceable through reissue, disclaimer or otherwise, or been abandoned ), including any substitution, extension, registration, confirmation, reissue, re - examination, supplementary protection certificates, confirmation patents, patent of additions, renewal or any like filing thereof ; ( b ) pending applications forletters patent which have not been canceled, withdrawn from consideration, finally determined to be unallowable by the applicable governmental authority orcourt for whatever reason ( and from which no appeal is or can be taken ), and/or abandoned, including any continuation, division or continuation - in - part thereofand any provisional applications ; and ( c ) any international counterparts to ( a ) and ( b ) above