This appeal is from the decision and judgment of the United States Claims Court that Dynamics Corporаtion of America (“DCA”) is entitled, under 28 U.S.C. § 1498, to a total payment, as reasonable royalty plus dеlay damages (to and including May 31, 1984), in the amount of $11,-529,195; and that from June 1,1984, to and including the date of pаyment of the judgment, DCA is further entitled to additional delay damages of $1,403 per day. The payment аnd damages are based on unauthorized manufacture and use of the invention of Rawley D. MсCoy covered by Patent No. 2,967,997.
On the basis of its opinion, 1 we affirm the Claims Court in all respects except in its use of simрle rather than compound interest in calculating delay damages as part of “reаsonable and entire compensation.” On this issue, we reverse and remand.
The Claims Court prоperly observed that an award of delay damages under 28 U.S.C. § 1498 is an attempt “to repay the patentee for the loss of money to which it had a right.” It concluded that “delay interest rаtes should be set to adequately compensate the patentee for the lost use of its money during the relevant accounting period” (1976 forward),
2
citing
Lam, Inc. v. Johns-Manville Corp.,
As to DCA’s argument that compound interest rather than simple interest should be used in calculating delay compensation, the Claims Court noted that this court recently аffirmed a district court’s judgment which included compounded prejudgment interest in a patent infringement case under 35 U.S.C. § 284,
Railroad Dynamics,
*520
Inc. v. A. Stucki Co.,
We are persuaded that, based on the facts and circumstances in a particular casе,
5
compound interest may more nearly fit with the policy “to accomplish complеte justice as between the plaintiff and the United States” under the just compensation clause of the Fifth Amendment.
Waite v. United States,
Accordingly, the decision and judgment of the Claims Court are affirmed in part, reversed in part, and remanded. On remand, the Claims Court should consider (1) whether, taking into account this opinion and 28 U.S.C. § 1961, “reasonable and entire compensation” may include compounded interest in calculating prejudgment interest for purрoses of delay damages, 6 and (2) if so, whether it should be allowed under the facts and circumstances of this case. Recomputation of delay damages from judgment date and therеafter appears to be indicated by 28 U.S.C. § 1961.
AFFIRMED IN PART; REVERSED IN PART; REMANDED
Notes
. Reported at
. The Claims Court noted that the parties were in agreement on the rate of delay interest damages for the years 1961 through 1975. The Government аrgued for a rate of 8% per annum for 1976 forward. DCA argued for 9.6% for 1976 through 1980, 12% for 1981, and 20% for 1982 until payment of the judgment.
. The Claims Court also cited
General Motors Corp. v. Devex Corp.,
.
See Leesona Corp. v. United States,
. DCA’s expert witness, Dr. Enrique Arzac, Professor of Finance and Economiсs and head of the Finance Department at Columbia Union College School of Business, tеstified without rebuttal that the appropriate method for calculating delay damages to make DCA whole would be by using compound interest and showed the inequity of using simple interest.
. We nоte that the legislative history of the Federal Courts Improvement Act of 1982, in commenting on the necessity for awarding prejudgment interest to compensate a plaintiff, uses an example showing application of compounded interest. S.Rep. No. 275, 97th Cong., 2d Sess. 30 (1981), reprinted in 1982 U.S.Code Cong. & Ad. News 11, 40.
