Home Law Claims Federal Circuit Holds “Sum Certain” Requirement for CDA Claims Is Not Jurisdictional ClaimsExpert OpinionLaw Federal Circuit Holds “Sum Certain” Requirement for CDA Claims Is Not Jurisdictional August 28, 2023 41 Share FacebookLinkedinTwitter diy13 | Shutterstock You must be a Paid or Free Trial Member to Access this Content. Paid members, please login to view your news subscription(s). RELATED ARTICLESMORE FROM AUTHOR Expert Opinion Contractors May Be Able to Appeal Despite Government’s Delay in Issuing Its Final Decision Claims Contractor’s Purchase Manager Perpetrated a Bid-Rigging Scheme. But Had the Contractor Breached? Expert Opinion Sovereign and Derivative Immunity in Government Contracts