definiens: shall mean ( a ) all patents and patent applications claiming any invention or discoverywhich was conceived or reduced to practice during the Collaboration Term and in the course of the Collaboration, byemployees or agents of Ambit, [COMPANY] or any of their respective Affiliates, either alone or jointly ( including, withoutlimitation, the synthesis and composition of matter of any Collaboration Compound or any Collaboration Product, ormethod of use thereof ) ; and ( b ) any divisions, continuations, continuations - in - part, reissues, reexaminations, extensions or other governmental actions which extend any of the subject matter of the patent applications or patentsin ( a ) above, and any substitutions, confirmations, registrations, revalidations, or additions of any of the foregoing;provided, however, that Collaboration Patents shall not include any Ambit Patents, [COMPANY] Patents or LicensedCompound Patents