definiens: means a Patent which covers the research ) development, manufacture, use . importation, sale or offer for sale of a Product, which Patent is owned or Controlled by Alliance, including . hut not limited to : ( a ) any patent listed in Exhibit B hereto or added thereto by written agreement of the Parties during the term oftbis Agreement ; ( b ) any patent application listed in Exhibit B hereto or added thereto by written agreement of the Parties during the tenn of this Agreement ; and any division, continuation, or continuation - in - part of any such application ; and any patent which shall issue based on such application, division, continuation Of continuation - ill - part ; ( c ) any patent which is a reissue, reexamination or extension of any patent described in ( a ) or ( b ) above ; ( d ) any foreign cotinterpart patent application or patent corresponding to any patent identified in ( a ), ( b ), or ( c ), above which is filed or issued in any country in the Alliance Territory ; and ( e ) any patent or patent application related to or based on any Alliance Know - How related to the Product or the manufacture thereof developed or acquired by Alliance prior to or during the term of this Agreement and which is necessary for the use, development, manufacture . market, sale or distribution of any marketed Product and any division, continuation or continuation - in - part of any such patent or patent application ; and any patent which shall issue based on such application, division, continuation or continuation - in - part ; and any patent which is a reissue, reexamination or extension of any such patent