Home Law Claims Federal Circuit Nullifies Sum Certain Contract Disputes Act Jurisdictional Defense ClaimsExpert OpinionLaw Federal Circuit Nullifies Sum Certain Contract Disputes Act Jurisdictional Defense August 31, 2023 46 Share FacebookLinkedinTwitter Wpadington 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