Insurance expert witnesses

The claims-handling, actuarial and loss-causation experts in coverage and bad-faith disputes.

Each class is defined by role and method, never by a person or a firm. Open one for what its testimony turns on, how it is attacked, and the rulings, each summarised from the opinion and linked to it.

Retained by either side

Insurance claims-handling expert

Claim file review · Industry claims practice comparison

Insurance actuary

Loss development triangles · Reserve adequacy analysis

Property loss causation engineer

Site inspection and damage mapping · Wind versus water analysis

Business interruption loss accountant

Projected versus actual income analysis · Period of restoration analysis

Recent rulings

The 12 most recent of 15 rulings in this practice, newest first. Each links to the free opinion on CourtListener and to the class it belongs to.

Outcome	Case	Court	Expert class
Exclusion reversed	Chapman v. Nationwide Mutual Fire Insurance Co.No. 26A-PL-743	Ind. Ct. App. 2026	Insurance claims-handling expert
Excluded	Bliv, Inc. v. The Charter Oak Fire Insurance CompanyNo. 24-3123	8th Cir. 2025	Property loss causation engineer
Excluded	Martinez v. GEICO Casualty Co.No. 24-10641	11th Cir. 2025	Insurance claims-handling expert
Limited	Phoenix Restoration Group, Inc. v. Liberty Mutual Group Inc.No. 18-2121	D.D.C. 2020	Insurance claims-handling expert
Limited	McClure v. Country Life Ins. Co.326 F. Supp. 3d 934	D. Ariz. 2018	Insurance claims-handling expert
Excluded	11333 Inc. v. Certain Underwriters at Lloyd's261 F. Supp. 3d 1003	D. Ariz. 2017	Insurance claims-handling expert
Admitted	11333 Inc. v. Certain Underwriters at Lloyd's, London261 F. Supp. 3d 1003	D. Ariz. 2017	Business interruption loss accountant
Limited	O'Sullivan v. Geico Casualty Co.233 F. Supp. 3d 917	D. Colo. 2017	Insurance claims-handling expert
Admitted	Securities & Exchange Commission v. Life Partners Holdings, Inc.854 F.3d 765	5th Cir. 2017	Insurance actuary
Admitted	State ex rel. Commissioner of Insurance v. North Carolina Rate Bureau791 S.E.2d 211	N.C. Ct. App. 2016	Insurance actuary
Admitted	Citadel Broadcasting Corp. v. AXIS U.S. Insurance Co.162 So. 3d 470	La. Ct. App. 2015	Business interruption loss accountant
Limited	U.S. Bank National Ass'n v. PHL Variable Life Insurance112 F. Supp. 3d 122	S.D.N.Y. 2015	Insurance actuary

Other practice areas

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The library summarises public decisions for orientation; it is not legal advice. Read the opinion before relying on any ruling. No individual expert is named.