definiens: , MERRIMACK Europe Territory means all countries in Europe, including Albania, Austria, Belarus, Belgium, Bosnia, Herzegovina, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Gcnnany, Greece, Hungary~ Iceland, Ireland, Italy, Latvia, Lithuania . Luxembourg, Macedonia, Malta, Moldova, Netherlands, Norway, Poland, Portugal, Romania, Russia, Serbia and Montenegro, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, Ukraine and the United Kingdom, Section 1.47 . MERRIMACK Know - How means all Know ~ How that ( a ) as of the Effective Date or during the Term is Controlled by MERRIMACK or any of its Affiliates which conduct Development activities related to the Licensed Compound or the Licensed Product ; and ( b ) ( i ) is reasonably necessary or useful to Develop, manufacture or Commercialize the Licensed Compound or the Licensed Product or ( ii ) is Llsed by MERRIMACK or any of its Affiliates in the Development, manufacture or Commercialization of 7 AcrIVEU~ 71'154<172,,1 CONFIDENTIAL EXECUTION COpy the Licensed Compound or the Licensed Product ; provided, however~ that MERRIMACK Know - How specifically excludes Joint Know - How, For purposes of clarity, the MERRIMACK Know ~ How includes Know ~ How included in the Hetl11es Intellectual Property ( as defined in the 2005 License Agreement ), Section 1,48 . MERRIMACK Licensed Technology means MERRIMACK Know - How and MERRIMACK Patent Rights, Section 1.49, Merrimack Parent means Merrimack Pharmaceuticals, Inc., a Delaware corporation with its principal offices at One Kendall Square, Suite B7201, Cmnbridge, MA 02139 - 1670, USA