definiens: means all : ( a ) unexpired letters patent ( including inventor ’s certificates ) which have not been heldinvalid 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 bymutual written agreement ), 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renewal or any like filing thereof;(b ) pending applications for letters patent which have not been canceled, withdrawn from consideration, finallydetermined to be unallowable by the applicable governmental authority or court for whatever reason ( and from whichno appeal is or can be taken ), and/or abandoned in accordance with or as permitted by the terms of this Agreement orby mutual written consent, including any continuation, division or continuation - in - part thereof and any provisionalapplications ; and ( c ) any international counterparts to ( a ) and ( b ) above