definiens: means any compound, other than the Parent Compoun ds, encompassed by the claims of the Asubio Patents and/or Compound Improv ement Patents, including new improvements ( including any structural derivatives or analogs ), variations, updates, modifications, and enhancement s to the Parent Compounds, made by or for [COMPANY] at any time commencing upon execution of the MTA and ending upon the termination of this Agreement . Asub io and [COMPANY] agree that the Excluded Compounds are not included in the Improved Compounds . Improve d Compounds shall include Improved Compounds that are encompassed only by valid claim(s ) of the Asubio Patents ( ), Improved Compounds that are encompassed by valid cl aim(s ) of both the Asubio Patents and the Compound Improvement Patents ( ) and Improved Compounds that are encompassed only by valid claim(s ) of the Compound Improvement Patents ( )