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📋 '''Filed rate''' refers to the specific [[Definition:Insurance rate | insurance rate]] that an [[Definition:Insurance carrier | insurer]] has formally submitted to and, where required, received approval from the applicable [[Definition:Insurance regulator | insurance regulator]]. In the insurance industry, the filed rate carries legal weight: under the [[Definition:Filed rate doctrine | filed rate doctrine]], the rate on record with the [[Definition:State department of insurance | state department of insurance]] is the only rate that may be charged to [[Definition:Policyholder | policyholders]], and neither the insurer nor the insured can negotiate around it. This principle ensures uniformity, prevents unfair [[Definition:Price discrimination | discrimination]] among similarly situated risks, and gives regulators a clear benchmark against which to measure compliance.

⚙️ Before a rate becomes a filed rate, it passes through a [[Definition:Rate filing | rate filing]] process that varies by jurisdiction and [[Definition:Line of business | line of business]]. [[Definition:Actuarial analysis | Actuaries]] develop the rate based on projected [[Definition:Loss cost | loss costs]], [[Definition:Expense loading | expense loads]], and a target [[Definition:Profit margin | profit margin]], then package the supporting data into a filing submitted through systems like the [[Definition:System for Electronic Rates & Forms Filing (SERFF) | SERFF]] platform. Depending on whether the state follows a [[Definition:Prior approval | prior approval]], [[Definition:File-and-use | file-and-use]], or [[Definition:Use-and-file | use-and-file]] framework, the rate may take effect immediately or only after the regulator grants explicit consent. Once on file, any deviation from the rate — whether through unauthorized [[Definition:Discount | discounts]], [[Definition:Surcharge | surcharges]], or [[Definition:Premium | premium]] adjustments — can expose the insurer to regulatory penalties and [[Definition:Market conduct examination | market conduct]] violations.

💡 The concept becomes especially consequential in litigation. Courts have invoked the filed rate doctrine to dismiss policyholder lawsuits alleging overcharges, reasoning that the rate approved by the regulator is presumptively lawful and that allowing private challenges would undermine the regulatory scheme. For insurers, this doctrine offers a powerful defense, but it also imposes discipline: if a company discovers that its filed rate is [[Definition:Inadequate rate | inadequate]] to cover emerging [[Definition:Loss experience | losses]], it cannot simply raise prices mid-term but must go through the formal filing and approval cycle. In fast-moving markets like [[Definition:Cyber insurance | cyber insurance]] or [[Definition:Catastrophe insurance | catastrophe-exposed property lines]], the lag between recognizing rate inadequacy and obtaining a new filed rate can have material financial consequences.

'''Related concepts:'''
{{Div col|colwidth=20em}}
* [[Definition:Filed rate doctrine]]
* [[Definition:Rate filing]]
* [[Definition:File-and-use]]
* [[Definition:Prior approval]]
* [[Definition:Insurance rate]]
* [[Definition:Rate adequacy]]
{{Div col end}}

Definition:Filed rate - Revision history

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