PERSONAL INJURY | 2026-10-07

The Insurer’s Duty to Investigate in California: How Egan v. Mutual of Omaha Makes a Lazy Claim Denial Bad Faith

An insurance company cannot deny your claim first and look for reasons later. Under Egan v. Mutual of Omaha, a California insurer breaches the covenant of good faith and fair dealing when it fails to fully and fairly investigate the facts before refusing to pay.

When you buy insurance, you are buying a promise: that if a covered loss happens, the company will treat your claim fairly. California law backs that promise with the implied covenant of good faith and fair dealing, and one of the covenant’s most important commands is procedural — an insurer must ac

Insurance disputes often turn not on whether a loss happened but on how the insurer handled the claim. A company that pays promptly and fairly rarely ends up in litigation. A company that denies first and investigates little — or investigates only for reasons to say no — invites a bad-faith claim. California law has developed a detailed body of rules governing claim handling, and the duty to investigate sits at its center.

The Covenant Behind Every Policy

Every insurance policy in California contains an implied covenant of good faith and fair dealing. It is not written into the policy, but the law reads it into every contract, and in the insurance context it carries special weight because of the unequal relationship between insurer and insured. The policyholder has paid premiums and depends on the insurer at a moment of vulnerability — after a loss, an accident, or a disability. The covenant requires the insurer to give at least as much consideration to the insured’s interests as it gives to its own. A breach of that covenant is the tort of insurance bad faith, and it allows recovery beyond the contract.

Egan v. Mutual of Omaha: The Facts

In Egan, the policyholder held a health and disability policy. After an on-the-job back injury, he claimed total disability benefits. The insurer paid for a period, then cut off benefits after reviewing medical records, maintaining its denial even though the insured offered to be examined by a doctor of the insurer’s own choosing. The California Supreme Court, in its 1979 decision at 24 Cal.3d 809, held that Mutual of Omaha had breached the covenant of good faith and fair dealing by failing to properly investigate the claim before denying it.

The Court’s reasoning established a durable principle: to protect the insured’s interests, it is essential that an insurer fully inquire into possible bases that might support the insured’s claim. An insurer, the Court held, cannot reasonably and in good faith deny payment without thoroughly investigating the foundation for that denial. Denial without adequate investigation is itself a breach, independent of whether coverage ultimately existed.

What a Fair Investigation Requires

The Egan duty is affirmative and even-handed. An insurer may not look only for evidence that supports denial while ignoring evidence that supports the claim. A proper investigation generally requires the insurer to:

Seek out the facts relevant to coverage and to the loss, rather than waiting for the insured to supply everything;
Consider evidence favorable to the insured, not just evidence that justifies a denial;
Follow obvious leads, including offers by the insured to submit to examinations or to provide additional proof;
Interpret the policy and the facts reasonably, resolving genuine ambiguities in a manner consistent with the insured’s reasonable expectations;
Act promptly and communicate, so the insured is not left without the benefits the policy promised at the time of need.

The California Insurance Code and the regulations governing fair claims settlement practices reinforce these obligations, setting standards for timely acknowledgment, reasonable investigation, and prompt resolution of claims. While those regulatory standards do not themselves create a private lawsuit, courts look to them as evidence of what reasonable claim handling requires.

When an Inadequate Investigation Becomes Bad Faith

Not every mistake is bad faith. The governing question in a California bad-faith case is whether the insurer’s conduct was unreasonable — whether it denied, delayed, or underpaid the claim without a reasonable basis and knew or should have known it lacked such a basis. A deficient investigation feeds directly into this analysis: an insurer cannot claim it had a "reasonable basis" to deny when it never gathered the facts needed to form one. A denial that rests on a hurried file review, ignores the insured’s evidence, or reflects a predetermined outcome is the classic Egan violation.

By contrast, where there is a genuine, reasonable dispute about coverage after a fair investigation, the insurer is generally not liable for bad faith even if it turns out to be wrong — the so-called genuine-dispute principle. The line between a genuine dispute and bad faith often comes down to the quality of the investigation: a thorough, even-handed inquiry supports a genuine-dispute defense, while a one-sided or superficial one undermines it.

Why Bad-Faith Damages Matter So Much

The reason the duty to investigate carries such force is the scope of damages available for its breach. In an ordinary contract dispute, a policyholder who proves the insurer should have paid recovers the benefits owed. But because bad faith is a tort, a policyholder who proves the insurer’s claim handling was unreasonable can recover more:

The policy benefits that were wrongfully withheld;
Consequential economic losses caused by the wrongful denial;
Emotional distress damages, where the denial caused such harm;
Attorney’s fees incurred to obtain the policy benefits, recoverable as damages under the rule of Brandt v. Superior Court; and
Punitive damages, in cases involving oppression, fraud, or malice.

This expanded exposure is what gives the covenant teeth. An insurer that treats investigation as optional risks liability far beyond the amount of the claim it tried to avoid paying.

First-Party and Third-Party Contexts

The duty to investigate applies across insurance contexts. In a first-party claim — where the insured seeks benefits under its own policy, such as health, disability, property, or uninsured-motorist coverage — Egan governs directly: the insurer must investigate before denying the insured’s own claim. In a third-party context — where a liability insurer defends and indemnifies its insured against a claim by someone else — the duty to investigate works alongside the insurer’s duty to settle reasonable claims within policy limits, a subject we address in our article on the insurer’s duty to settle under Comunale and Crisci. In both settings, a failure to investigate undermines the insurer’s good-faith posture.

How Policyholders Build an Egan Case

Proving a failure-to-investigate claim requires reconstructing the insurer’s claim handling in detail. The most important evidence is usually the insurer’s own claim file, which documents what the adjuster did, what evidence was gathered or ignored, and how the denial decision was reached. Internal notes, communications, and the timeline of the investigation often reveal whether the insurer followed obvious leads or reached a result and then justified it. California discovery rules generally allow a policyholder to obtain the claim file in bad-faith litigation, and it frequently becomes the centerpiece of the case.

Consider an illustrative example (offered only to show how the analysis works): a disability insurer receives a claim supported by the treating physician’s report, declines to order its own examination despite the insured’s offer, performs a brief paper review, and denies the claim as "not supported." If the claim file shows the insurer never contacted the treating physician, never ordered the examination the insured offered, and never considered the favorable medical evidence, that record supports an Egan failure-to-investigate claim — the denial lacked the reasonable basis a fair investigation would have required.

Delay and Lowball Offers as Bad Faith

A failure to investigate does not always take the form of a flat denial. Unreasonable delay in handling a claim, and lowball settlement offers untethered to the actual value of a covered loss, can also breach the covenant of good faith and fair dealing. An insurer that drags out an investigation it should have completed promptly, or that uses delay as leverage to pressure a vulnerable policyholder into accepting less than the claim is worth, engages in the same kind of unreasonable conduct Egan condemns. California law expects claims to be investigated and resolved promptly once liability is reasonably clear; a strategy of attrition is not a good-faith investigation by another name. Policyholders should document every delay, every unreturned call, and every demand for duplicative information, because that record can reveal a pattern of unreasonable handling.

The same principle applies to partial payments and underpayments. Paying something, but less than a fair investigation would show is owed, is not a safe harbor. If the insurer never conducted the inquiry needed to value the claim properly, its underpayment rests on the same deficient foundation as an outright denial.

What To Do If Your Claim Was Denied

If an insurer has denied or underpaid your claim, preserve everything: the policy, the denial letter, all correspondence, and your own records of the loss. Note what the insurer did and did not do — whether it requested records, interviewed witnesses, ordered examinations, or simply issued a denial. These facts are the raw material of an Egan claim. Then obtain a legal evaluation promptly, because deadlines apply to both the contract and the bad-faith components of a claim, and because a lawyer can obtain and analyze the claim file that so often proves the case.

The Statutory and Regulatory Backdrop

Egan’s common-law duty to investigate is reinforced by California statutes and regulations governing claim handling. California Insurance Code § 790.03(h) defines a list of unfair claims settlement practices, including failing to adopt and implement reasonable standards for the prompt investigation and processing of claims, and not attempting in good faith to effectuate prompt, fair, and equitable settlements of claims in which liability has become reasonably clear. The Fair Claims Settlement Practices Regulations, found in Title 10 of the California Code of Regulations beginning at § 2695.1, flesh out these obligations with specific timing and conduct standards — how quickly an insurer must acknowledge a claim, begin an investigation, and communicate its decision.

These standards do not, by themselves, create a private right of action for an individual policyholder. But California courts treat them as evidence of the conduct the implied covenant requires. An insurer whose claim handling violated the statutory and regulatory standards will find it difficult to argue that its investigation was reasonable, and a policyholder’s bad-faith case is often strengthened by showing that the insurer’s conduct departed from these established norms.

Punitive Damages and Civil Code § 3294

The most serious consequence of egregious claim handling is punitive damages. Under California Civil Code § 3294, a plaintiff may recover punitive damages where the defendant is guilty of oppression, fraud, or malice, proven by clear and convincing evidence. In the insurance context, a pattern of denying valid claims without investigation, destroying or ignoring favorable evidence, or applying claim-handling practices designed to minimize payouts regardless of the merits can support a punitive award. Because punitive damages are measured in part by the defendant’s conduct and financial condition, they can dwarf the underlying claim and serve as a powerful deterrent against institutional bad faith. The duty to investigate is thus backed not only by contract damages but, in the worst cases, by the prospect of punitive liability.

What a Strong Claim File Looks Like — and a Weak One

Because the claim file is usually decisive, it is worth understanding what distinguishes good-faith handling from bad faith in the record. A strong, good-faith file shows the adjuster promptly acknowledging the claim, requesting relevant records, following up on the insured’s evidence and offers, documenting a reasoned coverage analysis, and communicating clearly with the insured. A weak file — the kind that supports an Egan claim — shows a denial decision reached early, little or no effort to gather favorable evidence, ignored leads, and post-hoc justifications assembled to defend a conclusion that was never genuinely open. When a policyholder’s lawyer obtains the file in discovery, these patterns become visible, and they frequently drive the resolution of the case. The lesson for insurers is simple: investigate first, decide second, and document both. The lesson for policyholders is equally simple: the insurer’s own file often holds the proof. A policyholder who preserves their own parallel record — dates of calls, copies of every submission, notes of what the adjuster said and promised — gives their attorney a powerful way to test the insurer’s file against an independent timeline, and discrepancies between the two frequently expose a denial that was decided before the facts were ever gathered.

Frequently Asked Questions

Does my insurance company have to investigate before denying my claim?

Yes. Under Egan v. Mutual of Omaha, a California insurer must fully and fairly investigate the possible bases that might support your claim before denying it. Denying a claim without a thorough investigation can itself be a breach of the covenant of good faith and fair dealing — insurance bad faith.

What makes an investigation inadequate?

An investigation is inadequate when the insurer looks only for reasons to deny, ignores evidence favorable to you, fails to follow obvious leads (such as an offered medical examination), or reaches a predetermined result. A fair investigation must be even-handed and seek out the relevant facts.

Is a wrong denial automatically bad faith?

No. Bad faith requires that the insurer acted unreasonably — denying, delaying, or underpaying without a reasonable basis. If there was a genuine, reasonable coverage dispute after a fair investigation, the insurer may not be liable even if it was mistaken. The quality of the investigation is central to that analysis.

What can I recover if my insurer acted in bad faith?

Beyond the policy benefits, you may recover consequential economic losses, emotional distress damages, attorney’s fees incurred to obtain the benefits (under Brandt v. Superior Court), and, where there is oppression, fraud, or malice, punitive damages. This is why bad-faith exposure far exceeds the value of the underlying claim.

What is the most important evidence in a failure-to-investigate case?

The insurer’s own claim file. It documents what the adjuster did, what evidence was gathered or ignored, and how the denial was reached. In California bad-faith litigation, policyholders can generally obtain the claim file, and it often proves whether the investigation was fair.

Does the duty to investigate apply to liability (third-party) insurance?

Yes. In addition to its duty to settle reasonable claims within limits, a liability insurer must investigate. A failure to investigate undermines the insurer’s good-faith handling in both first-party and third-party contexts.

My insurer denied my claim quickly. Should I just accept it?

Not necessarily. A fast denial can be a sign of an inadequate investigation. Preserve all documents and get a legal evaluation. Trembach Law Firm can analyze the insurer’s claim handling against the Egan standard. Call (213) 645-2246.

How long do I have to act on a denied claim?

Deadlines apply to both the contract and bad-faith parts of a claim, and some policies contain their own limitation periods. Because these time limits can be short, you should seek legal advice promptly after a denial to protect your rights.

Talk to a California Insurance Bad-Faith Lawyer

An insurer that denies your claim without a fair investigation has not just made a mistake — it may have breached the covenant of good faith that California law reads into every policy. Under Egan v. Mutual of Omaha, the insurer’s duty to investigate is affirmative and even-handed, and a lazy or result-driven denial can expose the company to damages far beyond the policy. Trembach Law Firm, led by Anatolii Trembach (admitted in California), examines insurers’ claim handling, obtains and analyzes the claim file, and pursues bad-faith damages for policyholders who were denied a fair investigation. Call (213) 645-2246 for a free, confidential consultation.

Contact Trembach Law Firm at (818) 514-7680 for a confidential consultation.

Trembach Law Firm | 27001 Agoura Road, Suite 350, Calabasas, CA 91301