definiens: means : ( i)all improvements, enhancements, modifications, o r derivatives of or to any [COMPANY] Technology ( including the [COMPANY] Know - How ) that w ere generated by or on behalf of GRAIL during the p eriod of time commencing on the Original Effective Date a nd ending on the Effective Date, and all Intellectu al Property Rights embodied therein or related thereto, but exc luding any of the foregoing that is also Developmen t IP ; or ( ii)all improvements, enhancements, modifications, or derivatives of or to : ( i ) any Product Sold to GRAIL or its Operational Affiliate under the Original Agreement or this Agreement, or any component or aspect of any such Product ; ( ii ) any I llumina Know - How ; or ( iii ) any other [COMPANY] Techn ology disclosed or made available to GRAIL in furtherance of the Joint Development Activities ( under the Ori ginal Agreement ), the K2 Development Activities, the libr ary preparation collaboration contemplated by Secti on 7.5, or otherwise under the Original Agreement or this Agre ement ; in each case that are generated by or on beh alf of GRAIL or its Operational Affiliates after the Effec tive Date, and all Intellectual Property Rights emb odied therein or related thereto