delivered the opinion of the Court.
The United States filed a complaint on two counts against the respondent, alleging violations of a regulation fixing thе maximum price of commodities which respondent sold. The first count prayed for an injunction, the second sought trеble damages. By agreement and a pretrial order, the second count was held in abeyance pending trial and final determination of the suit for an injunction. The same procedure was followed as respects anоther suit for treble damages raising the same issues and covering a later period. The District Court held that respondent’s prices complied with the regulation. Accordingly it dismissed the complaint.
Respondent then moved in thе District Court to dismiss the treble damage actions on the ground that the un-reversed judgment of the District Court in the injunction suit was
res judicata
of thоse other actions. This motion was granted, the District Court directing the treble damage actions to be dismissed. On apрeal the Court of Appeals, by a divided vote, affirmed.
The controversy in each of the suits concerned thе proper pricing formula applicable to respondent’s com
*38
modities under the maximum price regulation. That question was in issue and determined in the injunction suit. The parties were the same both in that suit and in the suits for treble damages. There is no question but that the District Court in the injunction suit had jurisdiction both over the parties and the subject matter. And its judgment rеmains unmodified. We start then with a case which falls squarely within the classic statement of the rule of
res judicata
in
Southern Pacific R. Co.
v.
United States,
“The general prinсiple announced in numerous cases is that a right, question or fact distinctly put in issue and directly determined by a court of competent jurisdiction, as a ground of recovery, cannot be disputed in a subsequent suit between the same parties or their privies; and even if the second suit is for a different cause of action, the right, question or fact оnce so determined must, as between the same parties or their privies, be taken as conclusively establishеd, so long as the judgment in the first suit remains unmodified.”
And see
Cromwell
v.
County of Sac,
That is the result unless the dismissal of the appeal on the ground of mootness and the deprivation of the United States of any review of the case in the Court of Apрeals warrant an exception to the established rule.
The absence of a right to appeal was held in
Johnson Co.
v.
Wharton,
But we see no rеason for creating the exception. If there is hardship in this case, it was preventable. The established prаctice of the Court in dealing with a civil case from a court in the federal system which has become moot whilе on its way here or pending our decision on the merits is to reverse or vacate the judgment below and remand with a direction to dismiss.
2
That was said in
Duke Power Co.
v.
Greenwood County,
In this case the United States made no motion tо vacate the judgment. It acquiesced in the dismissal. It did not avail itself of the remedy it had to preserve its rights. Denial of а motion to vacate could bring the case here. Our supervisory power over the judgments of the lower fedеral courts is a broad one. See 28 U. S. C. § 2106, 62 Stat. 963;
United States
v.
Hamburg-American Co.,
239
*41
U. S. 466, 478;
Walling
v.
Reuter Co.,
The case is thеrefore one where the United States, having slept on its rights, now asks us to do what by orderly procedure it could have done for itself. The case illustrates not the hardship of res judicata but the need for it in providing terminal points for litigation.
Affirmed.
Notes
See
Gelpi
v.
Tugwell,
This has become the standard disposition in federal civil cases:
New Orleans Flour Inspectors
v.
Glover,
So far as federal civil cases are concerned, there are but few exceptions to this practice in recent years. See
Cantos
v.
Styer,
