opinion: La BUY, UNITED STATES DISTRICT JUDGE, v. HOWES LEATHER CO., INC., et al.
  No. 27.
  Argued October 17-18, 1956.
  Decided January 14, 1957.
  James A. Sprowl argued the cause for petitioner. With him on the brief was Edward R. Johnston.
  Jack I. Levy argued the cause for respondents. On the brief were Mr. Levy for Howes Leather Co.,. Inc., and David' L. Dickson and John F. McClure for Montgomery Ward & Co., Inc., respondents.
  Mr. Justice Clark
  delivered the opinion of the Court.
  These two consolidated cases present a question of the power of the Courts of Appeals to issue writs of mandamus to compel a District Judge to vacate his orders entered under Rule 53 (b) of the Federal Rules of Civil Procedure referring antitrust cases for trial before a master. The petitioner, a United States District Judge sitting in the Northern District of Illinois, contends that the Courts of Appeals have no such power and that, even if they did, these cases were not appropriate ones for its exercise. The Court of Appeals for the Seventh Circuit has decided unanimously that it has such power and, by a divided court, that the circumstances surrounding the references by the petitioner required it to issue the mandamus about which he complains. 226 F. 2d 703. The importance of the question in the administration of the Federal Rules of Civil Procedure, together with the uncertainty existing on the issue among the Courts of Appeals, led to our grant of a writ of certiorari. 350 U. S. 964. We conclude that the Court of Appeals properly issued the writs of mandamus.
  History of the Litigation. — These petitions for mandamus, filed in the Court of Appeals, arose from two antitrust actions instituted in the District Court in 1950. Rohlfing involves 87 plaintiffs, all operators of independent retail shoe repair shops. The claim of these plaintiffs against the six named defendants — manufacturers, wholesalers, and retail mail order houses and chain operators — is identical. The claim asserted in the complaint is a conspiracy between the defendants "to monopolize and to attempt to monopolize” and fix the price of shoe repair supplies sold in interstate commerce in the Chicago area, in violation of the Sherman Act. The allegations also include a price discrimination charge under the Robinson-Patman Act. Shaffer involves six plaintiffs, all wholesalers of shoe repair supplies, and six defendants, including manufacturers and wholesalers of such supplies and a retail shoe shop chain operator. The allegations here also include charges of monopoly and price fixing under the Sherman Act and price discrimination in violation of the Robinson-Patman Act. Both complaints pray for injunctive relief, treble damages, and an accounting with respect to the discriminatory price differentials charged.
  The record indicates that the cases had been burdensome to the petitioner. In Roklfing alone, 27 pages of the record are devoted to docket entries reflecting that petitioner had conducted many hearings on preliminary pleas and motions. The original complaint had been twice amended as a result of orders of the court in regard to misjoinders and severance; 14 defendants had been dismissed with prejudice; summary judgment hearings had resulted in a refusal to enter a judgment for some of the defendants on the pleadings; over 50 depositions had been taken; and hearings to compel testimony and require the production and inspection of records were held. It appears that several of the hearings were extended and included not only oral argument but submission of briefs, and resulted in the filing of opinions and memoranda by the petitioner. It is reasonable to conclude that much time would have been saved at the trial had petitioner heard the case because of his familiarity with the litigation.
  The References to the Master. — The references to the master were made under the authority of Rule 53 (b) of the Federal Rules of Civil Procedure. The cases were called on February 23, 1955, on a motion to reset them for trial. Rohlfing was “No. 1 below the black line” on the trial list, which gave it a preferred setting. All parties were anxious for an early trial, but plaintiffs wished an adjournment until May. The petitioner announced that “it has taken a long time to get this case at issue. I remember hearing more motions, I think, in this case than any case I have ever sat on in this court.” The plaintiffs estimated that the trial would take six weeks, whereupon petitioner stated he did not know when he could try the case “if it is going to take this long.” He asked if the parties could agree “to have a Master hear” it. The parties ignored this query and at a conference in chambers the next day petitioner entered the orders of reference sua sponte. The orders declared that the court was “confronted with an extremely congested calendar” and that “exception [sic] conditions exist for this reason” requiring the references. The eases were referred to the master “to take evidence and to report the same to this Court, together with his findings of fact and conclusions of law.” It was further ordered in each case that “the Master shall commence the trial of this cause” on a certain date and continue with diligence, and that the parties supply security for costs. While the parties had deposited some $8,000 costs, the record discloses that all parties objected to the references and filed motions to vacate them. Upon petitioner’s refusal to vacate the references, these mandamus actions were filed in the Court of Appeals seeking the issuance of writs ordering petitioner to do so. These applications were grounded on 28 U. S. C. § 1651 (a), the All Writs Act. In his answer to the show cause orders issued by the Court of Appeals, petitioner amplified the reasons for the references, stating “that the cases were very complicated and complex, that they would take considerable time to try,” and that his “calendar was congested.” Declaring that the references amounted to “a refusal on his [petitioner’s] part, as a judge, to try the causes in due course,” the Court of Appeals concluded that “in view of the extraordinary nature of these causes” the references must be vacated “if we find that the orders were beyond the court’s power under the pertinent rule.” 226 F. 2d, at 705, 706. And, it being so found, the writs issued under the authority of the All Writs Act. It is not disputed that the same principles and considerations as to the propriety of the issuance of the writs apply equally to the two cases.
  The Power of the Courts of Appeals. — Petitioner contends that the power of the Courts of Appeals does not extend to the issuance of writs of mandamus to review interlocutory orders except in those cases where the review of the case on appeal after final judgment would be frustrated. Asserting that the orders of reference were in exercise of his jurisdiction under Rule 53 (b), petitioner urges that such action can be reviewed only on appeal and not by writ of mandamus, since by congressional enactment appellate review of a District Court’s orders may be had only after a final judgment. The question of naked power has long been settled by this Court. As late as Roche v. Evaporated Milk Association, 319 U. S. 21 (1943), Mr. Chief Justice Stone reviewed the decisions and, in considering the power of Courts of Appeals to issue writs of mandamus, the Court held that “the common law writs, like equitable remedies, may be granted or withheld in the sound discretion of the court.” Id., at 25. The recodification of the All Writs Act in 1948, which consolidated old §§ 342 and 377 into the present § 1651 (a), did not affect the power of the Courts of Appeals to issue writs of mandamus in aid of jurisdiction. See Bankers Life & Casualty Co. v. Holland, 346 U. S. 379, 382-383 (1953). Since the Court of Appeals could at some stage of the antitrust proceedings entertain appeals in these cases, it has power in proper circumstances, as here, to issue writs of mandamus reaching them. Roche, supra, at 25, and cases there cited. This is not to say that the conclusion we reach on the facts of this case is intended, or can be used, to authorize the indiscriminate use of prerogative writs as a means of reviewing interlocutory orders. We pass on, then, to the only real question involved, i. e., whether the exercise of the power by the Court of Appeals was proper in the cases now before us.
  The Discretionary Use of the Writs. — It appears from the docket entries to which we heretofore referred that the petitioner was well informed as to the nature of the antitrust litigation, the pleadings of the parties, and the gist of the plaintiffs’ claims. He was well aware of the theory of the defense and much of the proof which necessarily was outlined in the various requests for discovery, admissions, interrogatories, and depositions. He heard arguments on motions to dismiss, to compel testimony on depositions, and for summary judgment. In fact, petitioner’s knowledge of the cases at the time of the references, together with his long experience in the antitrust field, points to the conclusion that he could, dispose of the litigation with greater dispatch and less effort than anyone else. Nevertheless, he referred both suits to a master on the general issue. Furthermore, neither the existence of the alleged conspiracy nor the question of liability vel non had been determined in either case. These issues, as well as the damages, if any, and the question concerning the issuance of an injunction, were likewise included in the references. Under all of the circumstances, we believe the Court of Appeals was justified in finding the orders of reference were an abuse of the petitioner’s power under Rule 53 (b). They amounted to little less than an abdication of the judicial function depriving the parties of a trial before the court on the basic issues involved in the litigation.
  The use of masters is “to aid judges in the performance of specific judicial duties, as they may arise in the progress of a cause,” Ex parte Peterson, 253 U. S. 300, 312 (1920), and not to displace the court. The exceptional circumstances here warrant the use of the extraordinary remedy of mandamus. See Maryland v. Soper, 270 U. S. 9, 30 (1926). As this Court pointed out in Los Angeles Brush Corp. v. James, 272 U. S. 701, 706 (1927): “. . . [W]here the subject concerns the enforcement of the . . . [r]ules which by law it is the duty of this Court to formulate and put in force,” mandamus should issue to prevent such action thereunder so palpably improper as to place it beyond the scope of the rule invoked. As was said there at page 707, were the Court “. . . to find that the rules have been practically nullified by a district judge . . . it would not hesitate to restrain [him]. . . .” The Los Angeles Brush Corp. case was cited as authority in 1940 for a per curiam opinion in McCullough v. Cosgrave, 309 U. S. 634, in which the Court summarily ordered vacated the reference of two patent cases to a master. The cases arose from the same District Court in which the Los Angeles Brush Corp. case originated and the grounds for the references largely followed that case. It is to be noted that the grounds there are much more inclusive than those set out here, alleging all of those claimed by the petitioner and, in addition, the prolonged illness of the regular judge and the fact that no other judge was available to try the cases. It appears to us a fortiori that these cases were improperly referred to a master.
  It is claimed that recent opinions of this Court are to the contrary. Petitioner cites Bankers Life & Casualty Co. v. Holland, 346 U. S. 379 (1953), and Parr v. United States, 351 U. S. 513 (1956). The former case did not concern rules promulgated by this Court but, rather, an Act of Congress, the venue statute. Furthermore, there we pointed out that the “. . . All Writs Act is meant to be used only in the exceptional case where there is clear abuse of discretion or ‘usurpation of judicial power’ . . . .” 346 U. S., at 383. Certainly, as the Court of Appeals found here, there was a clear abuse of discretion. In the Parr case, the District Court had not exceeded or refused to exercise its functions. It dismissed an indictment because the Government had elected to prosecute Parr in another district under a new indictment. The effect of the holding was merely that the dismissal of the first indictment was not an abuse of the discretion vested in the trial judge.
  It is also contended that the Seventh Circuit has erroneously construed the All Writs Act as “conferring on it a ‘roving commission’ to supervise interlocutory orders of the District Courts in advance of final decision.” Our examination of its opinions in this regard leads us to the conclusion that the Court of Appeals has exercised commendable self-restraint. It is true that mandamus should be resorted to only in extreme cases, since it places trial judges in the anomalous position of being litigants without counsel other than uncompensated volunteers. However, there is an end of patience and it clearly appears that the Court of Appeals has for years admonished the trial judges of the Seventh Circuit that the practice of making references “does not commend itself” and “. . . should seldom be made, and if at all only when unusual circumstances exist.” In re Irving-Austin Building Corp., 100 F. 2d 574, 577 (1938). Again, in 1942, it pointed out that the words “exception” and “exceptional” as used in the reference rule are not elastic terms with the trial court the sole judge of their elasticity. “Litigants are entitled to a trial by the court, in every suit, save where exceptional circumstances are shown.” Adventures in Good Eating, Inc. v. Best Places to Eat, Inc., 131 F. 2d 809, 815. Still the Court of Appeals did not disturb the reference practice by reversal or mandamus until this case was decided in October 1955. Again, Chief Judge Duffy in Krinsley v. United Artists Corp., 235 F. 2d 253, 257 (1956), in which there was an affirmance of a case involving a reference, called attention to the fact that the practice of referring cases to masters was “. . . all too common in the Northern District of Illinois . . . .” The record does not show to what extent references are made by the full bench of the District Court in the Northern District; however, it does reveal that petitioner has referred 11 cases to masters in the past 6 years. But even “a little cloud may bring a flood’s downpour” if we approve the practice here indulged, particularly in the face of presently congested dockets, increased filings, and more extended trials. This is not to say that we are neither aware of nor fully appreciative of the unfortunate congestion of the court calendar in many of our District Courts. The use of procedural devices in the heavily congested districts has proven to be most helpful in reducing docket congestion. Illustrative of such techniques are provision for an assignment commissioner to handle the assignment of all cases; the assignment of judges to handle only motions, pleas, and pretrial proceedings; and separate calendars for civil and criminal trials in cases that have reached issue. We enumerate these merely as an example of the progress made in judicial administration through the use of enlightened procedural techniques. It goes without saying that they can be used effectively only where adaptable to the specific problems of a district. But, be that as it may, congestion in itself is not such an exceptional circumstance as to warrant a reference to a master. If such were the test, present congestion would make references the rule rather than the exception. Petitioner realizes this, for in addition to calendar congestion he alleges that- the cases referred had unusual complexity of issues of both fact and law. But most litigation in the antitrust field is complex. It does not follow that antitrust litigants are not entitled to a trial before a court. On the contrary, we believe that this is an impelling reason for trial before a regular, experienced trial judge rather than before a temporary substitute appointed on an ad hoc basis and ordinarily not experienced in judicial work. Nor does petitioner’s claim of the great length of time these trials will require offer exceptional grounds. The final ground asserted by petitioner was with reference to the voluminous accounting which would be necessary in the event the plaintiffs prevailed. We agree that the detailed accounting required in order to determine the damages suffered by each plaintiff might be referred to a master after the court has determined the over-all liability of defendants, provided the circumstances indicate that the use of the court’s time is not warranted in receiving the proof and making the tabulation.
  We believe that supervisory control of the District Courts by the Courts of Appeals is necessary to proper judicial administration in the federal system. The All Writs Act confers on the Courts of Appeals the discretionary power to issue writs of mandamus in the exceptional circumstances existing here. Its judgment is therefore
  Affirmed.
  Rohlfing v. Cat’s Paw Rubber Co., No. 50 C 229, U. S. D. C. N. D. Ill., and Shaffer v. U. S. Rubber Co., No. 50 C 844, U. S. D. C. N. D. Ill.
  The figures indicated refer to the number of parties at the time of the petition for mandamus. When the action was originally filed there were 87 plaintiffs and 25 defendants.
  The figures indicated refer to the number of parties at the time of the petition for mandamus. When the action was originally filed there were 10 plaintiffs and 20 defendants.
  Rule 53 (b) provides:
  “(b) REFERENCE. A reference to a master shall be the exception and not the rule. In actions to be tried by a jury, a reference shall be made only when the issues are complicated; in actions to be tried without a jury, save in matters of account, a reference shall be made only upon a showing that some exceptional condition requires it.”
  The fact that the master is an active practitioner would make the comment of Chief Justice Vanderbilt with regard to the effect of references appropriate here. In his work, Cases and Materials on Modern Procedure and Judicial Administration (1952), at pages 1240-1241, he states:
  “There is one special cause of delay in getting cases on for trial that must be singled out for particular condemnation, the all-too-prevalent habit of sending matters to a reference. There is no more effective way of putting a case to sleep for an indefinite period than to permit it to go to a reference with a busy lawyer as referee. Only a drastic administrative rule, rigidly enforced, strictly limiting the matters in which a reference may be had and requiring weekly reports as to the progress of each reference will put to rout this inveterate enemy of dispatch in the trial of cases.”
  “ (a) The Supreme Court and all courts established by Act of Congress may issue all writs necessary or appropriate in aid of their respective jurisdictions and agreeable to the usages and principles of law.”
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