Jоseph P. Boyle was injured by an exploding tire in an automobile repair shop operated by C&N Corporation (C&N). Joseph 2 and his wife, Janice M. Boyle, filed a complaint against C&N, asserting claims for bodily injury and loss of consortium. C&N held an insurance policy issued by Zurich American Insurance Company (Zurich). The policy required that C&N provide notice to Zurich of any suit brought against it. C&N informed Zurich about Joseph’s injury. It did not notify Zurich about the lawsuit, but the Boyles’ counsel eventually did. Zurich did not defend against the suit. C&N defaulted, and judgment by default was entered for the Boyles.
Subsequently, the Boyles brought suit against Zurich, asserting both their individual claims and the claims of C&N, which, in the interim, C&N had assigned to the Boyles. In return fоr a negotiated sum of money, the Boyles released the claims that they had asserted on their own behalf; these individual claims arose from Zurich’s asserted failure to settle the Boyles’ personal injury action when liability had become reasonably clear. After a jury-waived trial on C&N’s claims against Zurich, a Superior Court judge determined that Zurich had committed a breach of its contractual duty to defend C&N. The judge declined to award the Boyles (as C&N’s assignees) multiple damages, costs, and attorney’s fees pursuant to G. L. c. 93A. The judge also subtracted from the Boyles’ damages (as assignees) the amount that Zurich had agreed to pay to settle the Boyles’ individual claims. The parties filed cross appeals, and we granted Zurich’s petition for direct appellate review.
We conclude that the judge did not err in his determination that Zurich committed a breach of its duty to defend C&N. In essence,
*651
as we have held in the line of cases proceeding from
Johnson Controls, Inc.
v.
Bowes,
We do not disturb the judge’s conclusion that Zurich did not violate G. L. c. 93A. We do, however, conclude that the sum agreed upon to settle the Boyles’ individual claims should not have been subtracted from the damages awarded to the Boyles as C&N’s assignees. 3
1.
Background.
We recite the essential facts found by the judge, which we accept “unless they are clearly erroneous,”
Weiler
v.
PortfolioScope, Inc.,
a. Underlying facts. C&N operated an automobile repair shop. In March, 2006, Nicholas Rago, one of C&N’s co-owners, raised a customer’s truck on a lift at C&N’s shop. At Rago’s request, Joseph stepped into the garage tо listen to the truck’s transmission. As Rago revved the engine, one of the truck’s tires exploded, severely lacerating and fracturing Joseph’s left forearm and hand.
Joseph underwent several surgical procedures, incurring approximately $106,000 in medical expenses. He suffered permanent scarring and partial loss of function in his left arm and hand. For approximately one year, Joseph was unable to work. Subsequently, he was compelled to seek less-skilled, lower-paying employment than he previously had held.
C&N carried a “business auto” insurance policy issued by Zurich, which included liability coverage. The coverage limit of that policy was $50,000. Rago reported Joseph’s accident to his insurance agent, Tarpey Insurance Group (Tarpey), twelve days after the accident. Tarpey relayed written notice to Zurich, which opened a claim file and began an investigation.
In June, 2006, an investigator for Zurich interviewed Rago, who described the accident and reported that Joseph was under *652 going surgeries. That same month, an attorney retained by the Boyles informed C&N by letter that the Boyles intended to assert a сlaim for bodily injury. This letter was forwarded by C&N to Tarpey, and by Tarpey to Zurich. In October, 2006, the Boyles’ attorney wrote to Zurich directly, informing it of the Boyles’ intention to pursue a bodily injury claim and asking for information about the coverage limits of C&N’s policy. Another, similar letter, marked “2nd request,” was delivered to Zurich in December, 2006. Although Zurich was required to provide the information sought by the Boyles, see G. L. c. 175, § 112C, it did not respond.
By October, 2007, Zurich had determined that C&N would be held liable for Joseph’s injuries. By early 2008, it had concluded that Joseph’s injuries were covered by C&N’s policy. Zurich did not relay these determinations to C&N. It also did not attempt to estimate the liability that C&N might face, or to settle the Boyles’ claims. Instead, in February, 2008, Zurich closed its file for the Boyles’ claim.
b. Suit against C&N. In August, 2008, the Boyles brought an action in the Superior Court against C&N, 4 seeking damages for Joseph’s injuries and for Janice’s loss of consortium. By that time, C&N no longer was operating as a business; it had been administratively dissolved for approximately fourteen months. C&N did not inform Tarpey or Zurich that the suit had been filed, and did not forward to Zurich the complaint or other documents filed in the proceedings. C&N did not answer the complaint, and in January, 2009, C&N’s default was entered.
The Boyles then moved for a judgment by default. In September, 2009, the Boyles’ attorney sent Zurich a letter stating that a hearing had been scheduled in the Supеrior Court to determine the amount of the Boyles’ damages. The letter specified the docket number assigned to the Boyles’ complaint. Another letter, sent by the attorney later the same month, informed Zurich that the damages hearing had been postponed until October, 2009. That letter also stated the amount of Joseph’s medical expenses, and enclosed copies of his medical bills. Upon receipt of these letters, a Zurich clerk scanned them and added them to the closed file for the Boyles’ complaint. The clerk did not realize that аny other action was necessary. Zurich therefore did not move to have C&N’s default set aside; did not contact C&N to discuss the suit; *653 and did not attempt to settle the suit with the Boyles, or otherwise to contact them or their attorney.
The October, 2009, hearing on the Boyles’ damages was not attended by C&N or by Zurich. After the hearing, the judge awarded damages of $1.5 million to Joseph and $750,000 to Janice. The Boyles also were awarded pre- and postjudgment interest. Final judgment was entered against C&N in January, 2010. 5
c. Suit against Zurich. In June, 2011, the Boyles commenced their current suit, also in the Superior Court, naming Zurich as the defendant. Among other things, the Boyles asserted that they were third-party beneficiaries of C&N’s policy, and that Zurich had violated G. L. c. 93A by failing to settle the Boyles’ suit against C&N. In September, 2013, C&N was revived by the Secretary of the Commonwealth for a period not to exceed one year. Upon being revived, C&N assigned to the Boyles all of its rights and claims against Zurich, including a claim that Zurich had committed a breach of its contractual duty to defend C&N.* * 6 C&N’s claims against Zurich, assigned to the Boyles, subsequently were consolidated with the Boyles’ claims on their own behalf.
Several days before the case was scheduled to be tried, the Boyles and Zuriсh reached an agreement to settle the Boyles’ individual claims. The Boyles signed a release relinquishing any claims they had “in their individual capacities.” In return, they were to receive $1,324,357, a sum equal to the amount that had accrued in postjudgment interest on the default judgment that the Boyles had obtained against C&N. A release executed by the Boyles as part of the settlement stated that it “specifically excludes ... the rights of the Boyles as assignees of [C&N] to pursue the full amount of the judgment entered in [the Boyles’ suit against C&N], with interest.”
A jury-waived trial was conducted on the remaining claims, namely, those that C&N had assigned to the Boyles. In dеtailed written findings, the Superior Court judge concluded that Zurich had committed a breach of its contractual duty to defend C&N. *654 The judge determined that Zurich’s duty to defend was triggered by the notice it had received of Joseph’s injury (from C&N), coupled with its notice of the impending damages hearing (received from the Boyles’ attorney). Based primarily on the testimony of a Zurich employee, the judge found that any reasonable insurer would have attempted, by the time of the damages hearing, to settle the Boyles’ claim for the policy limit of $50,000. The judge credited the testimony of the Bоyles and their attorney that if, at that time, Zurich had offered to settle for the policy limit, such an offer would have been accepted, and no default judgment against C&N would have been pursued.
Accordingly, the judge concluded that Zurich’s failure to defend C&N caused C&N damages in the full amount of the judgment rendered against it, namely, $2,250,000, plus interest. The judge did not, however, award the Boyles (as assignees) multiple damages, finding no violation of G. L. c. 93A. At the end of his order, the judge wrote that “the $1,324,357 in post-judgment interest that [Zurich] has already agreed to pay to the Boyles in order to settle their direct claims” would be subtracted from the award of damages. Both parties appealed.
2.
Discussion.
Before us, Zurich contends that its duty to defend C&N was not triggered at any time, given that C&N itself never informed Zurich of the Boyles’ lawsuit, never forwarded the complaint and related documents to Zurich, and never requested that Zurich provide a defense. The Boyles, for their part, challenge the judge’s determinations that Zurich committed no violation of G. L. c. 93A, and that the Boyles’ damages should be reduced by the amount that Zurich had agreed to pay in order to settle the Boyles’ individual claims. Examining these arguments “without deference [to] the legal standard which the judge applied,”
Makrigiannis
v.
Nintendo of Am., Inc.,
a.
Duty to defend.
“It is well settled in this jurisdiction that a liability insurer owes a broad duty to defend its insured against any claims that create a potential for indemnity.”
Doe
v.
Liberty Mut. Ins. Co.,
The duty to defend also was incorporated explicitly into the рolicy that Zurich issued to C&N, by way of a mandatory indorsement approved by the Commonwealth’s Division of Insurance. Zurich argues, however, that it was not subject to any duty to defend C&N because of other terms in C&N’s policy. That policy, which (according to the parties) is in widespread use in Massachusetts, stated that Zurich would “ha[ve] no duty to provide coverage . . . unless there has been full compliance” with specified obligations, including the obligation to “[ijmmediately send [Zurich] copies of any request, demand, order, notice, summons[,] or legal paper received concerning [a] claim or ‘suit.’ ” In Zurich’s view, C&N’s failure to forward the Boyles’ complaint and related documents to Zurich relieved Zurich of its duty to defend.
The approach advocated by Zurich long has been rejected in Massachusetts, both by way of legislation and in our jurisprudence. The Legislature, in 1977, amended G. L. c. 175, § 112, to provide that “[a]n insurance company shall not deny insurance coverage to an insured because of failure of an insured to seasonably notify an insurance company of an occurrence, incident, claim or of a suit . . . unless the insurance company has been prejudiced thereby.” See St. 1977, c. 437. 7 This provision applies to motor vehicle insurance policies, like the one issued to C&N, and to other policies insuring against liability due to bodily injury, death, or property damage.
Our decision in
Johnson Controls, supra,
extended the same treatment to other liability insurance policies.
8
The insured in that case, an attorney, failed to provide his malpractice insurance carrier with written notification of a claim against him, and failed also “to forward suit papers” to the insurer, all “in violation of the
*656
provisions of his insurance contract.”
Our reasoning in
Johnson Controls,
as we later paraphrased it, was that “[a] violation of a policy provision should bar coverage only where the breach frustrates the purpose underlying that provision.”
Augat, Inc.
v.
Liberty Mut. Ins. Co.,
We reaffirmed and fortified the rule of
Johnson Controls
in
*657
Darcy
v.
Hartford Ins. Co.,
Both
Johnson Controls,
We have not seen cause to revise our holdings in
Johnson Control
and its progeny. See, e.g.,
Mello
v.
Hingham Mut. Fire Ins. Co.,
Accordingly, C&N’s failure to notify Zurich of the complaint brought by the Boyles did not, standing alone, excuse Zurich of its duty to defend C&N. Instead, upon learning from the Boyles’ attorney that a lawsuit was pending against C&N for an occurrence covered by the policy, Zurich was required to defend against that suit unless C&N’s breach of its notice obligation prejudiced Zurich, by depriving it of an opportunity to mount an effective defense.
The judge determined that Zurich did not establish that it had been prejudiced in this way. Although Zurich made no argument to the contrary in the Superior Court, it challenges this determination in a footnote to its appellate brief. Even if the issue had
*659
been properly preserved and presented,
14
Zurich’s position would be belied by the judge’s unchallenged findings of fact. When Zurich learned of the Boyles’ lawsuit, the hearing to assess the Boyles’ damages had not yet taken place. At that juncture, Zurich could have contacted C&N and arranged to enter an appearance on its behalf. Zurich could have requested a postponement of the damages hearing. It could have moved to have C&N’s default set aside, pursuant to Mass. R. Civ. R 55 (c),
b.
Consequences of the duty to defend.
Zurich presents no other challenge to the judge’s analysis. In conjunction with its duty to defend, Zurich was obliged to make reasonable, prudent efforts to settle the Boyles’ suit. See
Medical Malpractice Joint Underwriting Ass’n of Mass.
v.
Goldberg,
The judge calculated the Boyles’ total amount of damages by using the method we endorsed in
DiMarzo
v.
American Mut. Ins. Co.,
We are not asked to revisit our DiMarzo decision, and we do not now see cause to do so. Applied here, the analysis of that decision yields the result reached by the judge, namely, that Zurich is liable to C&N for the amount of the judgment by default entered in the suit that Zurich failed to defend.
c. General Laws c. 93A. In their cross appeal, the Boyles challenge the judge’s decision that Zurich did not violate G. L. c. 93 A and that the Boyles are not entitled to multiple damages. We discern no reversible error.
*661
The judge determined that Zurich committed a breach of both its contractual duty to defend C&N and the statutory obligation “to effectuate prompt, fair and equitable settlements of claims in which liability has become reasonably clear.” G. L. c. 176D, § 3 (9) (/). A violation of G. L. c. 176D, § 3 (9), itself establishes a violation of G. L. c. 93A unless the injured party is “еngage[d] in the conduct of any trade or commerce.” See G. L. c. 93A, §§ 9 (1), 11. The judge found, in accordance with the parties’ agreed statement of facts, that C&N was indeed engaged in trade or commerce. Consequently, the Boyles (as C&N’s assignees) are entitled to relief under G. L. c. 93A only upon a showing that Zurich engaged in “[ujnfair or deceptive acts or practices.” See G. L. c. 93A, § 2. An award of “up to three, but not less than two, times” C&N’s actual damages is warranted if such unfair or deceptive acts or practices were “willful or knowing.” G. L. c. 93A, § 11.
See Auto Flat Car Crushers, Inc.
v.
Hanover Ins. Co.,
The Boyles contend that Zuriсh engaged in unfair or deceptive acts by failing to defend C&N against the Boyles’ suit and, much later, by failing to settle the suit brought by the Boyles as C&N’s assignees. The judge found that neither episode amounted to an unfair or deceptive act. “[Wjhether a particular set of acts, in their factual setting, is unfair or deceptive is a question of fact,” which we review for clear error. See
Klairmont
v.
Gainsboro Restaurant, Inc.,
Zurich’s failure to defend C&N against the Boyles’ suit was, the judge found, “inadvertent” and “negligent.” It stemmed largely from the unfortunate decision of a Zurich clerk to take no action upon receiving the letters informing Zurich of thе Boyles’ damages hearing. Mere negligence ordinarily does not represent an unfair or deceptive act. See
Darviris
v.
Petros,
Zurich made an error of a different nature in failing, more recently, to settle the Boyles’ lawsuit as C&N’s assignees. By the eve of the trial against it, Zurich apparently was not averse to settlement, having agreed to resolve the Boyles’ individual claims for a sum of $1,324,357. The final offer made by Zurich to settle the Boyles’ claims as C&N’s assignees was the policy limit of $50,000, plus interest. The judge found that “Zurich did not make this offer in bad faith or based on any ulterior motive,” but rather, “did so based on its reading of its insurance policy.” The judge
*662
stated also, quoting
Boston Symphony Orchestra, Inc.
v.
Commercial Union Ins. Co.,
In view of our long-standing jurisprudence, described
supra,
we do not share the view that Zurich’s position was “plausible.” Even so, the judge’s finding that Zurich’s conduct was neither “unfair” nor “deceptive” was not clearly erroneous. “While G. L. c. 93A is a statute of ‘broad impact,’ the limits of which are not precisely defined, a violation of G. L. c. 93A requires, at the very least, more than a finding of mere negligence.”
Darviris
v.
Petros,
d. Deduction of settlement payment. As noted, the judge reduced the damages awarded to the Boyles as C&N’s assignees by $1,324,357, the amount for which the Boyles had settled their individual claims against Zurich. We agree with the Boyles that this was error.
The judge’s concern was evidently that the Boyles not recover twice for the same injury. See
Selmark Assocs., Inc.
v.
Ehrlich, 461
Mass. 525, 544 (2014), citing
Blake
v.
Commissioner of Correction,
According to that release, the settlement payment was granted to the Boyles specifically in conjunction with the “claims, demands, causes of action . . . which the Boyles have or could have brought directly and in their individual capacities.” The crux of the Boyles’ individual claims was that Zurich had wronged them as third-party beneficiaries of C&N’s policy, by failing to settle the Boyles’ suit when liability had become reasonably clear. This wrong, which had the potential to result in multiple dаmages, attorney’s fees, and costs (even if C&N’s claim under G. L. c. 93A proved unsuccessful), is analytically independent of the wrong that supported C&N’s claim against Zurich (assigned to the Boyles) — i.e., that Zurich did not provide C&N with a defense. The release made in connection with the settlement of the Boyles’ individual claims against Zurich acknowledged as much, stating that it “specifically excludes . . . the rights of the Boyles as assignees of [C&N] to pursue the full amount of the judgment entered in [the Boyles’ suit against C&N], with interest’ (second emphasis added).
In short, the parties made clear that the payment settling the Boyles’ individual claims against Zurich would not come at the expense of any portion of Zurich’s liability toward C&N, including (as stated explicitly) interest. The judgment should not have been reduced, therefore, by the amount of the settlement payment.
3.
Conclusion.
The result of our analysis is that Zurich’s failure to defend on a $50,000 policy will culminate in an award of damages that is, “in the circumstances, extraordinarily large.” See
DiMarzo,
The judgment is vacated and set aside, and the matter is remanded to the Superior Court for entry of a modified judgment consistent with this opinion.
So ordered.
Notes
Because they share a last name, we refer to Joseph P. Boyle and Janice M. Boyle by their first names.
We acknowledge the amicus briefs submitted by the Complex Insurance Claims Litigation Association, the Massachusetts Defense Lawyers Assoсiation, and the Massachusetts Academy of Trial Attorneys.
Nicholas Rago also was named as a defendant in that suit.
The judgment was entered jointly and severally against C&N and Rago, who also had defaulted.
It is permissible and not uncommon for an insured to assign his or her rights against an insurer to the injured party. See
Ratner
v.
Canadian Universal Ins. Co.,
Zurich argues that it never “den[ied] insurance coverage” to C&N Corporation (C&N). We reject the suggestion, implicit in this argument, that an insurer may avoid the consequences of an otherwise wrongful denial of coverage by ignoring a claim altogether.
The approach to notice obligations prescribed by
Johnson Controls, Inc.
v.
Bowes,
Because the insured in
Johnson Controls
never provided notice of the claim against him, Zurich is incorrect in suggesting that the analysis adopted in that case is restricted to instances in which the insured did eventually, if belatedly, provide notice of the suit against it. See
Darcy
v.
Hartford Ins. Co.,
This is thus a context in which both we and the Legislature have declined to embrace the customary canon — on which Zurich leans heavily in its brief — that “[a] policy of insurance whose provisions are plainly аnd definitely expressed ... must be enforced in accordance with its terms.”
Cody
v.
Connecticut Gen. Life Ins. Co.,
Under this analytical framework, the court concluded that a genuine dispute remained as to whether the insurer had suffered prejudice, precluding summary judgment. See
Sarnafil, Inc.
v.
Peerless Ins. Co.,
Two of the amici suggest that a rule permitting an insured to obtain coverage after failing to comply with a notice provision opens the door to manipulations by insureds, who may seek to “undermine the defense” and to “thwart the insurer’s ability to mount an effective, timely defense.” But circumstances in which the defense would be injured in these wаys are precisely those in which the prejudice requirement of
Johnson Controls,
Zurich American Insurance Company (Zurich) cites decisions from several other jurisdictions for the proposition that the duty to defend is not triggered unless the insured affirmatively requests that a defense be provided. See, e.g.,
Purvis
v.
Hartford Acc. & Indent. Co.,
See
Canton
v.
Commissioner of Mass. Highway Dep’t,
Whereas Zurich failed to make any effort to settle the Boyles’ suit, the insurer in
DiMarzo
v.
American Mut. Ins. Co.,
The suggestion that the payment should he so characterized was based on the fact that, according to the parties’ joint statement of facts, the amount of postjudgment interest that had accrued as of May, 2014, on the judgment by default against C&N also was $1,324,357.
