An effective Oklahoma personal injury demand letter opens with a settlement-purposes privilege designation, states liability as closed through objective evidence, itemizes medical damages under the paid-not-billed rule of 12 O.S. § 3009.1, documents lost wages with supporting calculations, and closes with a specific demand amount and a stated response deadline.
A well-built demand letter does three things at once: it closes the liability question before the adjuster can reopen it, anchors the damages narrative in objective evidence, and frames the demand amount as the only reasonable result. At Hasbrook & Hasbrook, our attorneys draft demand letters against this structure for every Oklahoma injury claim we handle. If you want a plain-language rundown of what belongs in a personal injury settlement demand package, start there. This guide is written for the practitioner drafting the letter itself: it walks through each section, then covers confidentiality and non-disparagement pitfalls, settlement enforcement, prejudgment interest strategy, attorney lien protection, and the mediation statement as a distinct format.
Demand Letter Anatomy: Section by Section
The structure below follows the order adjusters expect. Cornell Law School’s Wex project frames a demand letter as formal written notice of a legal claim and a specific requested remedy; the sections that follow are how that general format gets built out for an Oklahoma personal injury claim.
1. Header Block and Privilege Designation
What goes here: Date; insurer’s email and mailing address; claims specialist name; insurance company name; RE block with your client’s name, the insured’s name, date of incident, and claim number; salutation.
Lead the header with: “DEMAND LETTER FOR SETTLEMENT PURPOSES ONLY.” Put this at the top of the page, not buried in a footnote. This designation frames the entire document as a settlement communication under 12 O.S. § 2408, Oklahoma’s Evidence Code rule on compromise and offers to compromise, and its federal counterpart. If the insurer tries to use the demand letter in subsequent litigation, you have explicit grounds to exclude it.
Practical note: Address the letter to the specific claims specialist by name. An impersonal addressee creates delay and gives the adjuster an excuse to re-route it. Get the name on your first call and use it throughout the file.
2. Factual Background and Liability Summary
What goes here: Narrative of the incident: location (specific intersection, road names, county), time, your client’s direction of travel and activity, what the insured was doing, how the collision occurred, and your client’s immediate symptoms.
Lead with liability as closed. Do not write this section as if fault is an open question. Point to objective, third-party evidence first: dash cam footage, the insured’s own admission to the investigating officer, the police report’s documented findings, the citation issued to the insured. Your liability narrative should end with a legal formulation that references duty, breach, and causation, but the argumentative work is done before you get there.
Quote the police report verbatim where it supports fault, reproduced as it appears in the original report. A police officer’s written conclusion is harder to dispute than a paraphrase.
Name the negligence specifically. “Failure to maintain a safe following distance,” “failure to yield the right of way at a controlled intersection,” and “traveling at an unsafe speed for conditions” are more useful than a generic duty and breach formulation. Connect the named conduct to the specific impact.
3. Injuries and Medical Treatment
What goes here: An ICD-10-coded injury list, followed by a chronological treatment summary organized by provider.
Open with the injury list. Use a formatted list or table with the diagnosis and ICD-10 code for each injury sustained. This connects your damages narrative to the billing and medical record documentation from the start.
Treatment summary: provider by provider, chronologically. For each provider, state the date(s) of treatment, complaints documented at that visit, objective findings (range of motion measurements, pain scores, imaging results), treatment rendered, and discharge or current status. Do not summarize; reflect the clinical record.
Quantitative functional metrics matter. Include specific numbers where the medical records support them: Quick DASH disability score as a percentage, degrees of cervical or lumbar range of motion versus normal, grip strength grades, and straight leg raise findings. A client with a 40 percent limitation on Quick DASH and a 30-degree cervical flexion restriction is a different demand than “the client experienced neck pain.”
Attach an ICD-10 code table as an exhibit. A two-column table (Injury/Diagnosis | ICD-10 Code) connects the demand letter to the billing documentation.
If defense counsel later invokes an independent medical exam, know the ground rules before the request arrives; see our defense medical exam protocol for Oklahoma injury claims.
4. Medical Expenses
What goes here: An itemized table listing each provider, the dates of service range, and the billed amount, with a subtotal and a note on which bills remain unpaid.
Oklahoma law on billed amounts: the general rule limits admissible medical damages to amounts actually paid rather than amounts billed. There is a critical exception: if a medical provider has filed a statutory lien under 42 O.S. § 43 for an amount in excess of what was paid, the excess (up to the lien amount) is admissible. For providers who have not filed a lien and whose bills were reduced by insurance write-offs, use the paid amount and note the write-off in passing. For lien providers, include the full billed amount and reference the filed lien.
2026 legislative context: SB2166, introduced in the 2026 legislative session, would further restrict recoverable future medical damages to amounts actually paid. As of the drafting date this bill remained in active committee. Note in your demand that the claim is made under current Oklahoma law and reserve the right to supplement if the law changes during the pendency of the claim.
5. Lost Wages
What goes here: Employer name and address; your client’s job title; hourly rate or salary; specific dates missed with a calculation (days missed × hours per day × hourly rate); the verification source; and the total lost wages figure.
Show the math. Do not state a lost wages total without the calculation. Adjusters verify the number, and showing your work prevents disputes over the arithmetic.
If your client was terminated as a result of the accident-related absences, say so explicitly. The lost wages section then becomes a narrative of how the accident cost your client a job, and the economic damages extend beyond the missed days to the period of unemployment and any wage differential from a lower-paying replacement job. Document with the termination letter and any physician work restrictions in effect at the time.
Verify with an employer letter, cited in the demand (“as confirmed in the employer letter attached hereto as Exhibit B”), to preempt an unsubstantiated-wage-loss argument.
6. General Damages
What goes here: A narrative argument for pain and suffering, loss of enjoyment of life, emotional distress, and any permanent injury, connecting the medical findings to your client’s specific life circumstances.
Use the medical record to anchor general damages. Duration of treatment, number of injection procedures, degree of functional limitation, and disruption to specific activities do the argumentative work. “Plaintiff experienced pain and suffering” tells the adjuster nothing. “Client underwent three epidural steroid injections over four months, remained restricted from her job as a dental hygienist for eleven weeks, and continues to report cervical pain with rotation at maximum medical improvement” tells the adjuster something they need to address.
Oklahoma’s noneconomic damages cap: for injuries occurring on or after September 1, 2025, the noneconomic damages cap under SB 453 may apply. If your case falls in the post-cap period, your general damages demand and valuation must account for the cap framework, including the exceptions for permanent and severe physical injury. See our 2025 tort reform cap analysis and its exceptions for the full breakdown.
7. Demand Amount and Response Deadline
What goes here: The total demand amount, an economic damages breakdown (medical expenses plus lost wages), a statement that the demand also accounts for non-economic damages, a deadline for response (typically 30 days), and a signature block.
Break out the economic and non-economic components separately. State your economic total as a subtotal, then state that the demand also compensates for non-economic damages. This forces the adjuster to address both components individually rather than dismissing the total as an unsupported round number.
Policy limits demands: if liability is clear and you have reason to believe your damages exceed policy limits, demand policy limits specifically and set a deadline. See the Prejudgment Interest and Policy Limits Strategy section below for why the timing of this demand matters beyond the dollar figure.
Multi-claimant scenarios: when the same accident injures multiple parties and you are making a demand on one claim, reference 36 O.S. § 6091: settlement of one claim under a motor vehicle liability policy is not an admission of liability and may not be used as evidence in any other claim arising from the same accident. This removes any argument that settling your client’s claim compromises the insurer’s position on a co-claimant’s claim.
Confidentiality Clause and Non-Disparagement Pitfalls
The most common release dispute in Oklahoma PI settlements arises when the insurer inserts a confidentiality clause or non-disparagement clause into the release after an oral or written agreement was reached on the settlement amount. These clauses were not part of the negotiated deal, and you are not obligated to accept them.
The confidentiality tax trap. When defense counsel insists on a confidentiality clause that was not part of the original settlement agreement, your strongest response is to cite Amos v. Commissioner, T.C. Memo. 2003-329 (2003), on the tax consequences. In Amos, the Tax Court split a $200,000 personal injury settlement: $120,000 was excludable under IRC 104(a)(2) as physical injury compensation, but $80,000 was taxable as consideration for confidentiality and non-disclosure provisions. Unless separate consideration is paid specifically for confidentiality, the entire settlement amount may be subject to income taxation. Once you raise this issue, most adjusters drop the clause rather than reopen the damages negotiation.
Non-disparagement clauses. A clause that would prohibit your client from communicating anything “reasonably construed as disparaging” about the defendant is, effectively, a gag order. These are particularly problematic in cases involving public safety, where the same underlying condition could injure others, and confidential settlements can prevent other injured parties from obtaining evidence of a known hazard. If your case has these dimensions, resist non-disparagement clauses on public policy grounds as well as the lack-of-consideration argument.
If the clause was never part of the agreement, enforce the settlement without it. See the Settlement Enforcement section below.
Settlement Enforcement
When an insurer agrees to your settlement demand, either in writing or orally, you have a contract. The insurer cannot unilaterally add conditions to the release that were not part of the negotiated agreement. Oklahoma courts have been consistent on this point:
- Cole v. Harvey, 198 P.2d 199, 200 (Okla. 1948): a settlement agreement is “an agreement between two or more parties, who, to avoid a lawsuit, amicably settled their differences upon such terms as they can agree upon.” Contract principles govern formation and enforcement.
- Whitehorse v. Johnson, 2007 OK 11, para. 11, 156 P.3d 41, 46: “A settlement agreement is a contract which constitutes a compromise between two or more parties to avoid a lawsuit and amicably to settle their differences on such terms as they can agree.”
- Vela v. Hope Lumber and Supply Company, 1998 OK CIV APP 162, 966 P.2d 1196, 1198: settlement agreements are favored and will be enforced absent fraud, duress, undue influence, or mistake.
Under 15 O.S. § 51, contract consent requires parties capable of contracting, mutual consent, a lawful object, and sufficient consideration. An oral agreement on a settlement amount satisfies all of these elements. If the insurer later refuses to sign a release without adding unagreed-upon conditions, move to enforce the settlement as a contract: file a motion to enforce in the pending litigation, or file suit on the settlement contract if no litigation is pending.
Oral vs. written agreements: Oklahoma recognizes oral settlement agreements as enforceable contracts. If you reach a verbal agreement with the adjuster on the settlement amount, confirm it in writing by email or letter the same day. Courts will enforce the oral agreement, but you want a written record of the terms before any dispute arises.
If the language of the release is clear and unambiguous, the court interprets it as a matter of law. Get the executed release to reflect only the agreed-upon terms. If the insurer adds language after the fact, return the release with the unagreed language stricken and your signature.
Prejudgment Interest and Policy Limits Demand Strategy
Oklahoma provides for prejudgment interest on a personal injury verdict under 12 O.S. § 727.1(E), but the accrual clock does not start at the date of injury or the date of a demand. For suits against a private defendant, no prejudgment interest accrues until twenty-four months after the suit is commenced; once that window passes, interest runs on the eventual verdict until the judgment is accepted or filed, whichever comes first.
The practical implication for demand letters is less about starting an interest clock and more about building a bad faith record. A formal written policy limits demand with a deadline creates a record that the insurer was on notice the claim’s value exceeded limits. If the insurer refuses, goes to trial, and your verdict exceeds limits, you have a foundation for a bad faith claim under the excess judgment theory, a separate topic from prejudgment interest itself. The demand letter is your evidentiary anchor for that timeline.
When making a policy limit demand, include a statement of total damages to date, a statement that damages exceed the policy limits, a demand for tender of policy limits within a specified period, and a request that the insurer confirm the applicable coverage limits in writing. If the insurer has stacked coverages, identify each layer.
Attorney Lien Protection
Under 5 O.S. § 6, when you file suit on behalf of a client, the filing of the petition constitutes notice of your attorney’s lien to all parties. Your lien attaches to any judgment or settlement from that point forward, and no insurer or defendant can settle directly with your client after suit is filed without your consent.
The consequence for an insurer that settles around your lien was addressed in Mathews v. Smith, 1934 OK 681, 39 P.2d 48: when a defendant and a client settle without the attorney’s consent in violation of 5 O.S. § 6, the defendant is exposed to a judgment in the attorney’s favor equal to the settlement amount. Courts have enforced it with judgments against the settling defendant.
Monitor your files for any direct contact between the insurer and your client or your client’s providers. If you learn of a direct settlement attempt, send a written lien notice immediately and put the insurer on actual notice of the consequences.
For lien deductions at final settlement, hospital liens under 42 O.S. § 43 do not attach to UM/UIM proceeds under Kratz v. Kratz, 1995 OK 63, 905 P.2d 753. If your settlement includes both liability and UM/UIM components, separate them in your settlement statement and apply provider liens only to the liability proceeds. For the full intake-through-resolution sequence, see our medical lien checklist for Oklahoma PI claims, and where multiple lienholders compete for the same proceeds, see Oklahoma’s lien priority rules.
Client Communication: The Demand Copy Letter
Send your client a copy of the demand letter the same day it goes to the adjuster, with a brief transmittal letter that explains:
- This is the first step in settlement negotiations, not a final number
- The adjuster typically needs two to three weeks to review and respond with a counteroffer
- The demand amount is a starting position; adjusters routinely counter low, and negotiations follow
- If no counter is received in three weeks, the firm will follow up
- If settlement negotiations do not produce an acceptable result, the next step is to file suit; most cases settle even after filing
This letter is not a formality. Clients anchor on the demand number and can misread a low counter as a near-final position. The transmittal letter sets expectations before the counter arrives, reducing the pressure to accept an undervalued counter because the client was not prepared for the negotiation dynamic.
Keep the transmittal letter short and direct, written for a lay reader. Legal terminology, statute citations, and damages analysis belong in the demand letter itself, not in the client copy transmittal.
The Mediation Statement: A Distinct Format
The mediation statement is an evolution of the demand letter with a different audience and different rhetorical goals. It is addressed to the mediator, not the adjuster. It is longer, more adversarial, and includes material that would be strategically inappropriate or premature in a pre-litigation demand. The key structural differences:
Addressed to the mediator, not the insurer. The tone shifts from “here is our demand” to “here is why our position is well-supported, and theirs is not.” The statement is designed to persuade the mediator that your position deserves serious attention before the first joint session begins.
Preemptive defense rebuttal. The mediation statement should contain a dedicated section that names and defeats the insurer’s best anticipated argument before the mediator encounters it. In soft-tissue and spine cases, that argument is almost always a pre-existing condition. Your rebuttal should address:
- Pre-accident baseline: your client’s activity level before the accident, absence of prior treatment for the injured area, and objective evidence (demanding physical job, regular exercise regimen) incompatible with a symptomatic pre-existing condition
- Mechanism of injury and causation: physics of the collision (impact angle, closing speed, seatbelt restraint, compressive forces), and temporal progression of symptoms from zero at the scene to the documented clinical picture
- Imaging evidence: MRI findings with specific measurements, distinguishing traumatic from degenerative findings, correlating new post-accident symptoms to the imaging
- Clinical course: treatment intensity consistent with acute injury, not chronic management; if the condition were pre-existing and symptomatic, the client would already have been in treatment
Eggshell plaintiff doctrine, applied explicitly. Name the doctrine and apply it to your facts. The defendant takes the client as they found them. An asymptomatic pre-existing condition rendered symptomatic by the accident creates full liability for all resulting damages.
Prior settlement history. Include the prior demand amount, date, and the insurer’s counter. Frame the mediation as the insurer’s opportunity to resolve a claim its adjuster has significantly undervalued.
Non-economic damages as a residual calculation. In the settlement discussions section, show non-economic damages as the difference between your total demand and the economic specials: “Medical: $X. Lost wages: $X. Pain, suffering, emotional distress, permanent injury, and loss of enjoyment of life: the balance of the total demand.” The residual framing forces the insurer to confront the non-economic component rather than treating it as an abstract add-on.
MRI findings at clinical detail. The mediation statement warrants more clinical specificity than the demand letter. Reproduce the radiologist’s language: specific spinal levels, millimeter measurements, disc pathology type (herniation vs. protrusion vs. extrusion), neuroforaminal stenosis grade, nerve root contact. The more clinical detail included, the harder it is for the insurer to characterize the injury as minor.
Questions About Structuring a Complex Oklahoma Demand?
If you are working through a demand letter or mediation statement on a claim with contested liability, a confidentiality dispute, or a lien priority question, the attorneys at Hasbrook & Hasbrook are available to talk through the specific facts. Call 405-605-2426 or send us the details of the claim.
