This appeal is brought by a plaintiff in a diversity case, whose claims against two defendants were dismissed prior to trial and whose claim against a third defendant was rejected by a jury. The plaintiff challenges both the pre-trial dismissals and the district court’s refusal to upset the jury’s verdict. We affirm all around.
I.
This case stems from an automobile accident that occurred in Chicago on March 2, 1989, in which a taxicab owned by defendant Flash Cab Company (Flash) and driven by defendant John Hawkotte collided with a car driven by defendant Mark Malnati. Plaintiff John Bachenski was a passenger in the taxi and on February 7, 1991, filed suit against Malnati, Hawkotte and Flash in federal district court, basing jurisdiction on diversity of citizenship. 1 Bachenski asserted liability against Malnati and Hawkotte on negligence theories and against Flash solely on a re-spondeat superior theory. Malnati and Flash were timely served with process. They appeared, filed answers and also filed crossclaims for contribution against one another. Hawkotte was not served.
On November 12, 1991, Malnati filed what was effectively a crossclaim for contribution against Hawkotte and accomplished service on him on December 26, 1991. On February 4, 1992, Hawkotte moved to dismiss Bachen-ski’s complaint for failure to serve within 120 days after the filing of the complaint, as required by Federal Rule of Civil Procedure 4(j). On February 19, the district court granted the motion and dismissed the complaint ■ against Hawkotte without prejudice. Bachenski then moved for leave to refile against Hawkotte. The district court denied the motion because the operative state two-year statute of limitations had run.
On April 17, 1992, Flash moved for summary judgment, arguing that the dismissal of Hawkotte, although technically without prejudice, effectively worked an adjudication on the merits because of the interim running of the limitations period, and thus mandated the dismissal of Bachenski’s claim against it under the applicable Illinois rule that an adjudication on the merits in favor of a servant bars an action premised on respondeat superior against his master. The district court granted the motion and dismissed Bachen-ski’s claim against Flash with prejudice. As a result, Bachenski was left with a claim against’ Malnati; Flash and Hawkotte remained in the case only because of Malnati’s contribution claims.
Just prior to trial, these contribution claims were dropped pursuant to a settlement between Malnati, Hawkotte and Flash, ünder the terms of which Flash agreed to pay 90% of any judgment entered against Malnati. Counsel for Malnati represented to the court that Malnati personally was un *1374 aware of the existence of the settlement agreement, which in fact was executed between the parties’ respective insurance companies. • Counsel then moved in limine to prevent cross-examination on this topic at trial. The district accepted counsel’s representation about Malnati’s ignorance of the settlement and granted the in limine request.
The case proceeded to trial on the claim against Malnati. After a four day trial, the jury returned a verdict for Malnati. Bachen-sM then made a timely motion for a judgment as a matter of law under Rule 50 or, in the alternative, a new trial under Rule 59. In his motion Baehenski reasserted his opposition to the earlier dismissals of Hawkotte and Flash from the case and the court’s evidentiary ruling precluding inquiry into the settlement agreement at trial. He also attacked the jury verdict for Malnati as being against the manifest weight of the evidence.
The district court denied Bachenski’s motion in its entirety,
Finally, the court revisited its earlier oral decision to dismiss Bachenski’s claim against Flash on summary judgment. The court first noted that under Illinois law, the applicable substantive law of the case, the dismissal on the merits of either the principal or agent in a respondeat superior relationship mandates the dismissal of the other, and a dismissal on statute of limitations grounds is considered a dismissal on the merits for that purpose. In its oral ruling the court had pointed out that although the Rule 4(j) dismissal of Hawkotte was technically without prejudice according to the language of the Rule, the Rule’s drafters expressly contemplated that the effect of such a dismissal would be with prejudice if the statute of limitations had run in the meantime. The court explained that it therefore felt compelled to dismiss Flash from the case. Thus, Bachenski’s motion was denied completely. Baehenski now appeals to this court claiming the district court erred by dismissing his claims against Hawkotte and Flash, by barring mention of the inter-defendant settlement at trial, and by refusing to upset the jury verdict for Malnati. Jurisdiction in this court being proper, we affirm on all grounds.
II.
A.
Baehenski has a tough row to hoe to convince a court that the evidence educed at trial cannot support a verdict for Malnati. Although we review the district court’s denial of a Rule 50 motion
de novo, see Timmerman v. Modern Industries, Inc.,
Because the testimony of Malnati is the sole factual source preserved in the appellate record, we can tell the tale of this case only from his point of view. Malnati recounts that on the day of the accident he was driving along Elston Avenue in a thirty mile per hour zone at a clip of about twenty-five to thirty miles per hour. Light snow had just begun to fall, when a car that was apparently parked on the other side of the two-way street, with its lights out and no turn signal flashing, suddenly pulled out and began to make a sharp U-turn into Malnati’s lane when Malnati was about two car lengths away. Malnati testified that he tried to avoid an accident by applying his brakes, swerving to his right and sounding his horn. Nevertheless, the cars collided. At the moment of impact, the other car was moving approximately ten miles per hour and Malnati’s speed had slowed to approximately fifteen miles per hour.
These facts speak for themselves. Bachenski attempts to nullify what appears from our limited view of the case to be an eminently sensible verdict.. Indeed, on the record developed before us, it is difficult to imagine any other verdict that would have been as reasonable. Malnati reacted like a typical driver would in such a situation. Undeterred by the weakness of his case on the facts, Bachenski makes a brief and halfhearted argument that Malnati was unquestionably negligent per se for failure to appropriately slow in adverse weather conditions. See Ill.Ann.St. Ch. 625 § 5/ll-601(a). However, he has done nothing to develop the necessary factual or legal bases for even a colorable, let alone mandated, conclusion of per se fault—for example, he has provided us no solid evidence about the prevailing weather conditions nor citation of Illinois authority applying the very general language of the slow-down statute in the manner he wishes. Bachenski is clearly not entitled to judgment as a matter of law against Malnati, and his alternative Rule 59 request for a new trial based on the weight of the evidence is similarly without merit. 4 The district court .was correct to deny both.
B.
Bachenski complains of another problem with the trial, aside from the result. He contends that the district court erred by prohibiting cross-examination of Malnati on the subject of the settlement that .Malnati’s insurance company reached with Plash, whereby Flash agreed to pay 90% of any judgment against Malnati in exchange for Malnati dropping his contribution claims against Flash and Hawkotte. Bachenski maintains that this settlement was a potential source of bias in Malnati’s testimony and, as such, it was an appropriate and important subject for exploration on cross-examination.
Witness bias is a quintessential^ appropriate topic for cross examination, even when a settlement related to the pending litigation is the supposed root of the alleged bias.
5
In this case however, the district court accepted the representation of counsel that Malnati personally did not know and would not be informed about the existence of
*1376
the settlement (as his insurance company was the real party in interest). In doing so the district court acted well within the bounds of its discretion, and nothing in the record suggests that this representation turned out to be false. Thus, the court legitimately could conclude that the Malnati-Flash settlement agreement would not be a source of bias, and it justifiably decided to allow no mention of it at trial. Further, the court observed that disclosure of the existence of the settlement and the provided for reduction in Malnati’s financial exposure could only serve the improper function of persuading the jury that Bachenski should be compensated because Malnati would only have to bear a small fraction of the cost of the verdict. Finally, the court noted that the jury also might construe such a settlement as an admission of partial fault by Malnati. Barring questions about the settlement for these reasons under the circumstances of this case was certainly a reasonable and, we think, proper exercise of the district court’s discretion over evidentiary matters.
6
See Quinn v. Neal,
C.
Bachenski also challenges the district court’s refusal to excuse his noncompliance with Rule 4(j)’s deadline for serving Hawk-otte with process. He argues that the court should have found that there was “good cause,” under the Rule’s saving provision, for his failure to satisfy the Rule’s general mandate that service be made within 120 days after the filing of the complaint. To demonstrate Hawkotte’s transient nature and the existence of good cause for the failure to track Hawkotte down', Bachenski points to his repeated but unsuccessful efforts to mail service to Hawkotte and asserts that he retained private investigators on several occasions to search for Hawkotte (also always without success). He contends that his efforts were diligent and thus the district court necessarily erred by refusing to find good cause for his continuing inability to locate and serve Hawkotte.
The plaintiff bears the burden of demonstrating good cause under Rule 4(j).
See Geiger v. Allen,
In this case, the district court examined Baehenski’s diligence and found it wanting. The court, first of all, was not impressed by the repeated attempts to mail service to Hawkotte. Nor should it have been.
Adatsi v. Mathur,
The district court also considered Bachen-ski’s failure to employ a professional process server after it became clear that mail service was not working. Bachenski insists that he hired private investigators both in April and November of 1991 to locate Hawkotte. There is very little in the record, however, to substantiate the degree of any such efforts. Only in his post-trial motion did Bachenski’s counsel submit material at all indicating the nature of the measures that were undertaken. The submission consisted of a brief affidavit by counsel in which he stated—in essentially no greater detail than paraphrased here—that investigators were hired in April to locate Hawkotte, that investigators were again hired in November and that at that time they inquired into Hawkotte’s whereabouts with Hawkotte’s ex-wife, with mechanics at Flash and with “[p]ersons at the Batyk Shop” but to no avail. We cannot say that after Bachenski had failed to achieve service for almost a year since the filing of the complaint the district court was obligated to find good cause from this scanty presentation—which, by the way, only described in any detail investigative efforts that took place many months after the running of the 120 day clock. The district court’s refusal to find good cause for Bachenski’s lengthy inability to achieve service is further buttressed by the fact that Malnati was able to serve Hawkotte promptly after filing a contribution claim against him. No explanation was made why Bachenski could not manage to do in a year what Malnati accomplished in 45 days. And in the course of that year Bachenski never filed a motion under Rule 6(b) requesting additional time despite the district ■court’s reminder 100 days into the service period that he was flirting with Rule 4(j) dismissal.
See Quann v. Whitegate-Edgewater,
D.
Finally, we turn to the district court’s dismissal of Bachenski’s claim against Flash. Our inquiry here concerns the appropriate consequence of a particular application of a federal procedural provision in the context of a rule of governing state law.
8
The Illinois rule that concerns us has come to be known as the
Towns
doctrine, named for the case in which it found its most prominent modern exposition,
Towns v. Yellow Cab Co.,
The issue to be resolved in this case is whether the Rule 4(j) dismissal of Hawk-otte should be construed as an “adjudication on the merits” in favor of Hawkotte, the servant, so as to activate the Towns doctrine and mandate the dismissal of Flash, the master. 11 Bachenski’s argument that the 4(j) dismissal of Hawkotte cannot be an adjudication on the merits is simple and appeahng. Rule 4(j)’s language is plain: a dismissal for failure to achieve timely service shall be “without -prejudice.” How can such a dismissal ever constitute an adjudication on the merits? A dismissal without prejudice under the Federal Rules means that the court’s present decision to dismiss in and of itself erects no barriers to a subsequent filing, and thus Bachenski is correct that it seems distinctly inapt to regard such a dismissal as an adjudication on the merits.
But in this case, Flash counters, the dismissal of Hawkotte, while nominally without prejudice, is functionally with prejudice. Because the statute of limitations had already expired when the district court dismissed Bachenski’s claim against Hawkotte, there was no possibility the claim could ever be revived, and thus the dismissal was final and fatal to Bachenski’s claims against Hawkotte at the time it was entered. Flash points out that in other contexts courts have regarded similar dismissals that were technically without prejudice as effectively with prejudice. For instance, although a dismissal without prejudice is normally not a final decision appealable under 28 U.S.C. § 1291, courts have allowed appeals of 4(j) dismissals that are entered after the statute of limitations has ran.
See, e.g., Geiger,
We are skeptical of this argument
12
but need not bother with it further because at issue in this case is not what a federal court would label an adjudication on the merits for its own purposes, but rather what an Illinois court would consider an “adjudication on the merits” for the purposes of the
Towns
rule.
See Erie R.R. Co. v. Tompkins,
Indeed, on several occasions the Illinois courts have applied the
Towns
rule to dismiss a
respondeat superior
claim against a negligence claim against a servant has previously been dismissed for failure to achieve timely service and-the statute of limitations had run in the interim.
See, e.g., Rogaris v. Oliver,
III.
For the foregoing reasons the judgment of the district court is affirmed in its entirety.
AFFIRMED.
Notes
. Bachenski's wife, Anita Bachenski, was also a passenger in the cab at the time of the accident and was originally a co-plaintiff in this action. Her claim, however, was dropped early in the course of the litigation.
. In its original order dismissing Hawkotte from the case, the district court concluded that repeated efforts to obtain service by mail cannot without more satisfy the “good cause" exception to Rule 4(j)'s 120 day requirement. The court reasoned that this follows from the fact that Rule 4(c)(2)(D) only specifies that the consequence to a party for not returning the notice and acknowledgment of receipt of summons by mail is having to bear the costs of the personal service made necessary by his recalcitrance.
. Federal courts must follow the state law JNOV standard when sitting in diversity.
See Fort Howard Paper Co. v. Standard Havens, Inc.,
. While the federal law standard governing new trial motions is somewhat less severe than the Illinois JNOV standard (a new trial may be granted only if the jury’s verdict is against the clear weight of the evidence,
see Ross v. Black & Decker, Inc.,
. Evidence of settlement is of course inadmissible to prove liability. See Fed.R.Evid. 408. But ”[t]his rule ... does not require exclusion when the evidence is offered for another purpose, such as proving bias or prejudice of a witness.....” Id.
. In addition, even if Malnati knew about the settlement or, because of Flash's and Hawkotte’s disappearance from the case, suspected that some sort of agreement was reached, we fail to see how such an awareness could contribute to a showing of bias with respect to Malnati, already a directly interested party. If anything, Malnati’s knowledge of the settlement would bolster his credibility because, by shifting,the bulk of the burden of an adverse judgment elsewhere, the settlement reduced Malnati’s financial stake in the outcome of the case.
Cf. Quad/Graphics, Inc.
v.
Foss,
. Bachenski also contends that Flash’s counsel breached a mid-May agreement to accept sendee for Hawkotte. Counsel for Flash (and now Hawkotte) denies such an agreement was ever formalized. We need not resolve what the understanding in fact was, however, because even if Bachenski suspended his efforts to serve Hawk-otte in reasonable reliance on the representations of Flash's counsel, it is undisputed that by early July Bachenski was clearly informed in a correspondence from Flash's counsel that the latter would not accept service for Hawkotte. Thus, at its best this argument can only explain one and a half months of nonservice.
. All agree that Illinois law is the applicable substantive law of this case.
. Observe that the Illinois rule that a servant is not a necessary party to a
respondeat superior
action against his master,
see McCottrell v. City of Chicago,
On a related note, Bachenski complains that when it orally explained its decision to dismiss his claim against Flash the district court misstated the McCottrell rule. The court seemed to believe, at the time, that a suit against Flash alone would have to be dismissed once a suit against Hawkotte, though never brought, would become time barred. While McCottrell is to the contrary, any error of law in this regard is irrelevant to the validity of the decision to dismiss.
. Of course all this assumes one master and one servant. If one servant is adjudged not liable but fault may also lie with the separate acts of another servant who has not yet prevailed on the merits, the
Towns
doctrine would not warrant a blanket dismissal of the master as vicarious liability may still be premised on the latter servant's nonadjudicated actions.
See Suarez v. Ro-Mar Terminal Warehouse,
. In view of our disposition of this issue we need not resolve whether the district court’s denial of Bachenski’s motion for leave to refile against Hawkotte—for stated statute of limitations reasons—constitutes an additional or alternative adjudication on the merits that would frustrate Bachenski's claim against Flash.
. The problem with the argument is that it is more stylistic than analytical. It attempts to turn what is really no more than a description of the real world consequences of a post-limitations 4(j) dismissal into a new rule of law. After all, it is the running of the statute of limitations, not the dismissal, that bars a refiling of the action. If the dismissal came a minute
before
the time bar elapsed, no one would argue that a suit filed the next day should be dismissed because of the "effectively with prejudice dismissal” under Rule ,4(j). Rather, the time bar is what would do the heavy lifting. Similarly, it is the time bar that makes a case appealable after a late-in-the-day 4(j) dismissal. This is but a long way of saying Rule 4(j) spells out precisely its own legal consequences. We are not authorized to add to them.
See Powell v. Starwalt,
