| Jurisdiction | Insurer Need Not Show Prejudice | Insurer Must Show Prejudice | Authority |
| Alabama | x[1] | | State Farm Fire & Cas. Co. v. Wiggins, 972 F.Supp. 570 (M.D. Ala. 1997). |
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| Alaska | | x | Weaver Bros., Inc. v. Chappel, 684 P.2d 123 (1984). |
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| Arizona | | x | Liberty Mutl. Fire Ins. v. Mandile, 963 P.2d 295 (1998). |
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| Arkansas | x | | Providence Washington Ins. Co. v. Yellow Cab Co. of Fayetteville , 331 F.Supp. 286 (W.D. Ark. 1971). |
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| California | | x | Root v. American Equity Specialty Ins. Co., 130 Cal. App. 4th 926 (Cal.App. 4 Dist., 2005). |
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| Colorado | | x | Clementi v. Nationwide Mut.Fire Ins. Co., 16 P.3d 223 ( Colo. 2001). |
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| Connecticut | | x | Arrowood Indemnity Co. v. King, 304 Conn. 179 (2012). |
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| Delaware | | x | Falcon Steel Co. v. Maryland Cas. Co., 366 A.2d 512 (Del .Super. 1976). |
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| District of Columbia | x | | Greenway v. Selected Risks Ins. Co., 307 A.2d 753 (D.C.App. 1973). |
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| Florida | | x | Florida Physicians Ins Co. v. Stern, 563 So.2d 156 (Fla. App.4 Dist. 1990). |
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| Georgia | x | | State Farm Mut. Auto Ins. v. Sloan, 258 S.E.2d 146 (Ga. App. 1979). |
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| Hawaii | | x | Great Am. Ins. Co. v. Aetna Cas. and Sur. Co., 76 Hawaii 346 ( Hawaii , 1994) (dicta). |
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| Idaho | | x | Leach v. Farmer's Auto. Interinsurance Exchange, 213 P.2d 920 (Idaho 1950). |
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| Illinois | x | | Country Mutual Ins. Co. v. Livorsi Marine, Inc., 222 Ill.2d 303 ( Ill. 2006). |
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| Indiana | | x | Miller v. Dilts, 463 N.E.2d 257 (Ind. 1984). |
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| Iowa | x[2] | | Grinnell Mut. Reinsurance Co. v. Jungling, 654 N.W.2d 530 (Iowa 2002). |
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| Kansas | | x | National Union Fire Ins. Co. of Pittsburgh, Pennsylvania v. F.D.I.C., 957 P.2d 357 ( Kan. , 1998). |
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| Kentucky | | x | Jones v. Bituminous Cas. Corp., 821 S.W.2d 798 ( Ky. 1991). |
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| Louisiana | | x | Offshore Logistics Services, Inc. v. Mutual Marine Office, Inc., 520 F.Supp. 237 ( E.D. La. 1981). |
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| Maine | | x | Ouellette v. Maine Bonding & Cas. Co., 495 A.2d 1232 (Me., 1985). |
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| Maryland | | x | Prince George's County v. Local Gov't Ins. Trust, 879 A.2d 81 ( Md. 2005). |
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| Massachusetts | | x | Goodman v. American Cas. Co., 419 Mass. 138 (Mass. 1994). |
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| Michigan | | x | West Bay Exploration Co. v. AIG Specialty Agencies of Texas, Inc., 915 F.2d 1030 (6th Cir., 1990). |
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| Minnesota | | x | North Star Mut. Ins. Co. v. Midwest Family Mut. Ins. Co., 634 N.W.2d 216 ( Minn. App., 2001). |
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| Mississippi | x | | Reliance Ins. Co. v. County Line Place, Inc., 692 F.Supp. 694 (S.D.Miss., 1988). |
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| Missouri | | x | Southeast Bakery Feeds, Inc. v. Ranger Ins. Co., 974 S.W.2d 635 (1998). |
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| Montana | | x | J.G. Link & Co., v. Continental Casualty Co., 470 F.2d 1133 (9th Cir. 1971). |
| Nebraska | | x | Herman Bros., Inc. v. Great West Cas. Co., 255 Neb. 88 ( Neb. , 1998). |
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| Nevada | | x | Las Vegas Metropolitan Police Dept. v. Coregis Ins. Co., 256 P.3d 958 (Nov. 2011). |
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| New Hampshire | | x[3] | Dover Mills Partnership v. Commercial Union Ins. Companies, 144 N.H. 336 (N.H., 1999). |
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| New Jersey | | x | Gazis v. Miller, 892 A.2d 1277 (N.J., 2006). |
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| New Mexico | | x | Foundation Reserve Ins. Co. v. Esquibel, 607 P.2d 1150 (N.M. 1980). |
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| New York | | x | McKinney's Insurance Law §3420[4] |
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| North Carolina | | x | Liberty Mutual Ins. Co. v. Pennington, 356 N.C. 571 (N.C. 2002). |
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| North Dakota | | x | Finstad v. Steiger Tractor, Inc.,, 301 N.W.2d 392 (N.D. 1981). |
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| Ohio | x | | Ferrando v. Auto-Owners Mut. Ins. Co., 98 Ohio St.3d 186 (Ohio, 2002). |
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| Oklahoma | | x | Fox v. Nat'l Sav. Ins. Co., 424 P.2d 19 (Okl. 1967). |
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| Oregon | | x | Halsey v. Fireman's Fund Ins. Co., 68 Or. App. 349 (Or. Ct. App. 1984). |
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| Pennsylvania | | x [5] | Brakeman v. Potomac Ins. Co., 371 A.2d 193 ( Pa. 1977). |
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| Rhode Island | | x[6] | Avco Corp. v. Aetna. Cas. & Sur. Co., 679 A.2d 323 (R.I., 1996). |
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| South Carolina | | x | Vt. Mut. Ins. Co. v. Singleton, 446 S.E.2d 417 (S.C. 1994). |
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| South Dakota | | x | Auto-Owners Ins. Co. v. Hansen Housing, Inc., 604 N.W.2d 504 (S.D., 2000). |
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| Tennessee | x | | Am. Justice Ins. Reciprocal v. Hutchison, 15 S.W.3d 811 (Tenn. 2000). |
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| Texas | | x | PAJ, Inc. v. Hanover Ins. Co., 243 S.W.3d 630 (Tex. 2008). |
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| Utah | | x | State Farm Mut. Auto. Ins. Co. v. Green, 89 P.3d 97 (Utah 2003). |
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| Vermont | | x | Coop. Fire Ins. Ass'n of Vermont v. White Caps, Inc., 694 A.2d 34 (1997). |
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| Virginia | x | | State Farm Mut. Auto Ins. Co. v. Porter, 272 S.E.2d 196 ( Va. 1980). |
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| Washington | | x | Thompson v. Grange Ins. Ass'n, 660 P.2d 307 (1983). |
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| West Virginia | | x | Colonial Ins. Co. v. Barrett, 208 W.Va. 706 ( W.Va. , 2000). |
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| Wisconsin | x | | Ranes v. Am. Family Mut. Ins. Co., 219 Wis.2d 49 ( Wis. , 1998). |
| Wyoming | | | Not Addressed |
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