definiens: shall mean ( a ) all Patents conceived or reduced to practice during the Term byemployees or agents of Ambit or any of its respective Affiliates, either alone or jointly, that are related to any LicensedCompound or Derivative Compound ( including, without limitation, the synthesis and composition of matter of any suchcompound or Licensed Products, or method of use thereof ) or otherwise result from Ambit ’s research and developmentactivities conducted in connection with Article IV, including with respect to Licensed Compounds and DerivativeCompounds ; and ( b ) any divisions, continuations, continuations - in - part, reissues, reexaminations, extensions or othergovernmental actions which extend any of the subject matter of the patent applications or patents in ( a ) above, and anysubstitutions, confirmations, registrations, revalidations, or additions of any of the foregoing . For the avoidance of doubt, Licensed Compound Patents shall not include Collaboration Patents