89 Texas opinions name it 2 courts 1997–2025 10 in the last five years
The cases below were cited by Texas courts in a sentence that names this issue. Sides come from how each citing opinion treated the case (Syfertize flag on that citation), so a case can appear on both: that is where the law is contested. A red or yellow chip is the case's own overall treatment.
| Case | Followed | Cited |
|---|---|---|
Guideone Elite Insurance Co. v. Fielder Road Baptist Churchgreen2 sentences2024EXCEPTIONS TO THE RULE In applying the eight-corners rule, “[e]xtrinsic evidence or facts outside the pleadings are generally not considered.” Monroe, 640 S.W.3d at 199 (citing GuideOne, 197 S.W.3d at 308 ). -8- 04-23-00779-CV But there are some exceptions. 2022Id. at 310 (noting that the proffered extrinsic evidence contradicted an allegation regarding the defendant’s dates of employment); see also id. at 311 (rejecting an invitation by amicus to adopt a “true-facts” exception to the eight-corners rule). | 10 | 24 |
National Union Fire Insurance Co. of Pittsburgh v. Merchants Fast Motor Lines, Inc.green2 sentences2024See Nat’l Union Fire Ins., 939 S.W.2d at 141 ; see also Pine Oak, 279 S.W.3d at 654 . - 14 - 04-23-00779-CV F. Exceptions to Consider Extrinsic Evidence Although we conclude that Barnett’s claims are not within the policy’s scope, we must also consider whether the Avalos or Monroe exceptions to the eight-corners rule would allow the trial court to grant Dr. Friedman’s motion to compel Barnett’s deposition. 2019Under the eight-corners rule, “[f]acts outside the pleadings, even those easily ascertained, are ordinarily not material to the determination.” GuideOne, 197 S.W.3d at 308 (citing Fast Motor Lines, 939 S.W.2d at 141 ). | 8 | 28 |
Northfield Insurance v. Loving Home Care, Inc.green2 sentences2006Co. v. Loving Home Care, Inc., 363 F.3d 523, 529-31 (5th Cir.2004) (making “best Erie guess” that current Texas Supreme Court would not recognize any exception to the strict eight-corners rule); Westport Ins. 2006Co. v. Loving Home Care, Inc. , 363 F.3d 523 , 529 B 31 (5th Cir. 2004) (making A best Erie guess @ that current Texas Supreme Court would not recognize any exception to the strict eight-corners rule); Westport Ins. | 8 | 9 |
Zurich American Insurance Co. v. Nokia, Inc.green2 sentences2023Co. v. Nokia, Inc., 268 S.W.3d 487, 490 (Tex. 2008). 5 Id. 6 Id. at 490-91 . 13 Whether an insurer owes a duty to defend “is a question of law which the appellate court reviews de novo.” 7 In determining a duty to defend, we follow the eight-corners rule, sometimes called the complaint- allegation rule. 8 “The rule directs Texas courts to determine an insurer’s duty to defend its insured based on (1) the pleadings [filed] against the insured and (2) the terms of the insurance policy.”9 Under the eight- corners rule, an insurer’s duty to defend its insured from a underlying suit is determined b 2023Co. v. Nokia, Inc., 268 S.W.3d 487, 490 (Tex. 2008). 5 Id. 6 Id. at 490-91 . 13 Whether an insurer owes a duty to defend “is a question of law which the appellate court reviews de novo.” 7 In determining a duty to defend, we follow the eight-corners rule, sometimes called the complaint- allegation rule. 8 “The rule directs Texas courts to determine an insurer’s duty to defend its insured based on (1) the pleadings [filed] against the insured and (2) the terms of the insurance policy.”9 Under the eight- corners rule, an insurer’s duty to defend its insured from a underlying suit is determined b | 7 | 12 |
Pine Oak Builders, Inc. v. Great American Lloyds Insurance Co.green2 sentences2025“Under the eight-corners rule, the duty to defend is determined by the claims alleged in the petition and the coverage provided in the policy.” Pine Oak, 279 S.W.3d at 654 (citing Nat’l Union Fire Ins. 2024See Nat’l Union Fire Ins., 939 S.W.2d at 141 ; see also Pine Oak, 279 S.W.3d at 654 . - 14 - 04-23-00779-CV F. Exceptions to Consider Extrinsic Evidence Although we conclude that Barnett’s claims are not within the policy’s scope, we must also consider whether the Avalos or Monroe exceptions to the eight-corners rule would allow the trial court to grant Dr. Friedman’s motion to compel Barnett’s deposition. | 7 | 12 |
King v. Dallas Fire Insurance Co.green2 sentences2012See King, 85 S.W.3d at 187 . 2011Co., 85 S.W.3d 185, 187 (Tex.2002), the court applied the eight-corners rule in determining National *219 Union’s duty to defend. 334 S.W.3d at 239 . | 6 | 12 |
D.R. Horton-Texas Ltd. v. Markel International Insurance Co.green2 sentences2025Co., 300 S.W.3d 740, 744 (Tex. 2009) (internal citations omitted) (The duty to defend, however, is established according to the eight-corners doctrine, considering only the factual allegations in the pleadings and the terms of the policy.). 2024Co., Ltd., 300 S.W.3d 740, 744 (Tex. 2009) (“While analysis of the duty to defend has been strictly circumscribed by the eight-corners doctrine, it is well settled that the ‘facts actually established in the underlying suit control the duty to indemnify.’”). | 6 | 8 |
Weingarten Realty Management Co. v. Liberty Mutual Fire Insurance Co.green2 sentences2022Co., 343 S.W.3d 859, 865 (Tex. App.—Houston [14th Dist.] 2011, pet. denied) (adopting an exception to the eight-corners rule that is limited to extrinsic evidence that (1) shows the party seeking coverage is a stranger to the policy and (2) goes strictly to an issue of coverage without contradicting any allegation that is material to the merits of the underlying claim). 9 See, e.g., Star-Tex Res., L.L.C. v. Granite State Ins. 2020Co., 343 S.W.3d 859, 865 (Tex. App.— Houston [14th Dist.] 2011, pet. denied) (“we are persuaded of the need for a very narrow exception to the eight-corners rule. . . . | 6 | 6 |
Tri-Coastal Contractors, Inc. v. Hartford Underwriters Insurance Co.green2 sentences2010Co., 981 S.W.2d 861, 863 (Tex.App.-Houston [1st Dist.] 1999, pet. denied) (acknowledging the few Texas court of appeals cases that have allowed the use of extrinsic evidence to disprove coverage, but declining to create an exception to the eight-corners rule). 2009Co. , 981 S.W.2d 861, 863 (Tex. App.—Houston [1st Dist.] 1999, pet. denied) (acknowledging the few Texas court of appeals cases that have allowed the use of extrinsic evidence to disprove coverage, but declining to create an exception to the eight-corners rule). | 4 | 7 |
Burlington Northern & Santa Fe Railway Co. v. National Union Fire Insurance Co.green2 sentences2016Co. of Pittsburgh, 334 S.W.3d 217, 219 (Tex.2011) (stating that “the determination as to duty to defend is according to the eight-corners rule wherein only the pleadings and the policy language are considered”); D.R. 2011Co. of Pittsburgh, 334 S.W.3d 217, 219 (Tex.2011) (stating that "the determination as to duty to defend is according to the eight-corners rule wherein only the pleadings and the policy language are considered"); D.R. | 3 | 5 |
Evanston Insurance Co. v. Legacy of Life, Inc.green2 sentences2019Under the eight corners rule, we look to the facts alleged within the four corners of the pleadings, measure the facts alleged against the language within the four corners of the insurance policy, and determine if the facts alleged “present a matter that could potentially be covered by the insurance policy.” Ewing Constr., 420 S.W.3d at 33 ; Evanston Ins., 370 S.W.3d at 380 . 2016Co. v. Legacy of Life, Inc., 370 S.W.3d 377, 380 (Tex.2012) (stating that “[wjhen determining whether an insurer has a duty to defend, we follow the eight corners rule by looking at the four corners of the complaint for alleged facts that could possibly come within the scope of coverage in the four corners of the insurance policy”); Burlington N. & Santa Fe Ry. | 3 | 4 |
Liberty Mutual Insurance v. Grahamgreen2 sentences2011To support their position, they cite AccuFleet, Inc. v. Hartford Fire Insurance Co. , 322 S.W.3d 264 (Tex. App.—Houston [1st Dist.] 2009, no pet.), and Liberty Mutual Insurance Co. v. Graham , 473 F.3d 596 (5th Cir. 2006), as examples of cases in which courts adhered to the eight-corners rule “if facts were plead[ed] that would qualify the party as an insured.” The appellants cite AccuFleet as a case where the court ignored extrinsic evidence and “specifically looked at the plaintiff’s pleadings to determine whether a party was an additional insured, and therefore, owed a defense under the pol 2011To support their position, they cite AccuFleet, Inc. v. Hartford Fire Insurance Co., 322 S.W.3d 264 (Tex.App.-Houston [1st Dist.] 2009, no pet.), and Liberty Mutual Insurance Co. v. Graham, 473 F.3d 596 (5th Cir.2006), as examples of cases in which courts adhered to the eight- corners rule “if facts were plead[ed] that would quality the party as an insured.” The appellants cite AccuFleet as a case where the court ignored extrinsic evidence and “specifically looked at the plaintiffs pleadings to determine whether a party was an additional insured, and therefore, owed a defense under the policy. | 3 | 4 |
Trinity Universal Insurance Co. v. Cowangreen2 sentences2008Analysis We are bound by the eight-corners rule and although we “liberally construe the allegations in the petition in determining the duty to defend, resolving any doubt in favor of the insured, we will not read facts into the pleadings for that purpose.” Trinity Universal Ins. v. Cowan, 945 S.W.2d 819, 825 (Tex. 1997) (citations omitted). 2008Analysis We are bound by the eight-corners rule and although we “liberally construe the allegations in the petition in determining the duty to defend, resolving any doubt in favor of the insured, we will not read facts into the pleadings for that purpose.” Trinity Universal Ins. v. Co wan, 945 S.W.2d 819, 825 (Tex.1997) (citations omitted). | 3 | 4 |
Heyden Newport Chemical Corp. v. Southern General Insurance Co.green2 sentences2020See, e.g., id. at ___; GuideOne Elite Ins. 1997See Heyden Newport Chem Corp., 387 S.W.2d at 23-25 . 6 . | 3 | 3 |
Gulf Chemical & Metallurgical Corp. v. Associated Metals & Minerals Corp.green2 sentences2004In Gulf Chemical and Metallurgical Corporation v. Associated Metals & Minerals Corp., former steel mill employees sued toxic chemical manufacturers and suppliers, claiming that the chemicals caused them injuries from 1946 to 1990. 1 F.3d 365, 367 (5 th Cir. 1993). 2004In Gulf Chemical and Metallurgical Corporation v. Associated Metals & Minerals Corp., former steel mill employees sued toxic chemical manufacturers and suppliers, claiming that the chemicals caused them injuries from 1946 to 1990. 1 F.3d 365, 367 (5th Cir.1993). | 3 | 3 |
Utica National Insurance Co. of Texas v. American Indemnity Co.green2 sentences2010Id. at 744 (quoting Pine Oak Builders, Inc. v. Great Am. 2009See Utica Nat = l , 141 S.W.3d at 201 . | 2 | 3 |
International Service Insurance Co. v. Bollgreen2 sentences2022But the Fifth Circuit also opined that if this Court were to recognize an exception to the eight-corners rule, it would apply only 6 See, e.g., Boll, 392 S.W.2d at 160 (noting that the plaintiff’s petition did not identify the driver by name, but the parties stipulated that it was the insured’s only son, who was expressly excluded from coverage). 9 “when it is initially impossible to discern whether coverage is potentially implicated and when the extrinsic evidence goes solely to a fundamental issue of coverage which does not overlap with the merits of or engage the truth or falsity of any fac 2006For example, in International Service Insurance Co. v. Boll, 392 S.W.2d 158, 160 (Tex.Civ.App.—Houston 1965, writ ref d n.r.e.), the insurer refused to defend its insured in an auto-collision case because of a policy endorsement that excluded coverage for “any claim arising from accidents which occur while any automobile is being operated by Roy Hamilton Boll.” The plaintiffs petition alleged that the insured’s son was driving the insured’s car when the accident occurred, but did not otherwise identify the driver. | 2 | 2 |
Landmark Chevrolet Corp. v. Universal Underwriters Ins. Co.green2 sentences2005Landmark Chevrolet , 121 S.W.3d at 890-91 ; Tri-Coastal Contractors, Inc. v. Hartford Underwriters Ins. 2005See Landmark Chevrolet , 121 S.W.3d at 891 ; Tri-Coastal , 981 S.W.2d at 863-64 . | 2 | 2 |
Ewing Construction Company, Incorporated v. Amerisure Insurance Companygreen2 sentences2019Under the eight corners rule, we look to the facts alleged within the four corners of the pleadings, measure the facts alleged against the language within the four corners of the insurance policy, and determine if the facts alleged “present a matter that could potentially be covered by the insurance policy.” Ewing Constr., 420 S.W.3d at 33 ; Evanston Ins., 370 S.W.3d at 380 . 2016Co., 420 S.W.3d 30, 33 (Tex.2014) (stating that “Texas courts follow the eight corners rule in determining an insurer’s duty to defend” and that “[ujnder that rule, courts look to the facts alleged within the four corners of the pleadings, measure them against the language within the four corners of the insurance policy, and determine if the facts alleged present a matter that could potentially be' covered by the insurance policy”); Evanston Ins. | 1 | 4 |
Accufleet, Inc. v. Hartford Fire Insurance Co.green2 sentences2020Co., 322 S.W.3d 264, 273 (Tex. App.—Houston [1st Dist.] 2009, no pet.) (“We decline to create an exception to the eight corners rule . . . .”). 5 inapplicable unless the policy includes a groundless-claims clause. 2011To support their position, they cite AccuFleet, Inc. v. Hartford Fire Insurance Co., 322 S.W.3d 264 (Tex.App.-Houston [1st Dist.] 2009, no pet.), and Liberty Mutual Insurance Co. v. Graham, 473 F.3d 596 (5th Cir.2006), as examples of cases in which courts adhered to the eight- corners rule “if facts were plead[ed] that would quality the party as an insured.” The appellants cite AccuFleet as a case where the court ignored extrinsic evidence and “specifically looked at the plaintiffs pleadings to determine whether a party was an additional insured, and therefore, owed a defense under the policy. | 1 | 3 |
E & L Chipping Co. v. Hanover Insurance Co.green2 sentences2023Co., 962 S.W.2d 272, 274 (Tex. App.—Beaumont 1998, no pet.). 8 Zurich Am. 1998E & L Chipping , 962 S.W.2d at 276 . | 1 | 2 |
Geico General Insurance Co. v. Austin Power Inc.green2 sentences2016See Nokia, Inc., 268 S.W.3d at 491 ; Austin Power, Inc., 357 S.W.3d at 823-24 . 2016See Nokia, Inc., 268 S.W.3d at 491 ; Austin Power, Inc., 357 S.W.3d at 823-24 . | 1 | 2 |
Farmers Texas County Mutual Insurance v. Griffingreen2 sentences2012Co. v. Griffin, 955 S.W.2d 81, 82 (Tex.1997). *824 In determining whether an insurer has a duty to defend, we follow the eight-corners rule, also known as the complaint-allegation rule: “an insurer’s duty to defend is determined by the third-party plaintiffs pleadings, considered in light of the policy provisions, without regard to the truth or falsity of those allegations.” Zurich, 268 S.W.3d at 491 (quoting GuideOne, 197 S.W.3d at 308 ). 2011Id. at 83 . | 1 | 2 |
Westport Insurance v. Atchley, Russell, Waldrop & Hlavinka, L.L.P.green2 sentences2006Corp., 267 F.Supp.2d at 616-622 (concluding that the permissive extrinsic evidence rule is in the minority and increasingly disfavored). 2006Corp. , 267 F. Supp. 2d at 616 B 622 (concluding that the permissive extrinsic evidence rule is in the minority and increasingly disfavored). | 1 | 2 |
Allstate Insurance Co. v. Hallmangreen2 sentences2006Co. v. Fielder Road Baptist Church , 197 S.W.3d 305 , 309 B 10 (Tex. 2006) (refusing to recognize an exception to the eight corners rule to consider evidence relating both to coverage and liability); Hallman , 159 S.W.3d at 644 B 45 (inferring a profit motive from the nature of the activity rather than relying on extrinsic evidence of a profit motive); Am. 2006Co. v. Fielder Road Baptist Church, 197 S.W.3d 305, 309-10 (Tex.2006) (refusing to recognize an exception to the eight corners rule to consider evidence relating both to coverage and liability); Hallman, 159 S.W.3d at 644-45 (inferring a profit motive from the nature of the activity rather than relying on extrinsic evidence of a profit motive); Am. | 1 | 2 |
Marquis Acquisition, Inc. v. Steadfast Insurance Company and Julie Frygreen1 sentence2023Co., 409 S.W.3d 808, 814 (Tex. App.—Dallas 2013, no pet.). 23 1st letter, he informed Mid-Continent of the voluntary nonsuit of the Clayton Suit, but the letter still refers only to “potential conflicts with joint representation.” Applying the eight-corners rule, we conclude that Clayton’s petition did not allege facts that would necessitate separate counsel. | 1 | 1 |
Service Corp. International v. Guerragreen1 sentence2022Corp. Int’l v. Guerra, 348 S.W.3d 221, 238 (Tex. 2011). | 1 | 1 |
| Bailey v. Netherlands Insurancegreen | 1 | 1 |
| State Farm Lloyds v. Janet Richardsgreen | 1 | 1 |
| Gilbert Texas Construction, L.P. v. Underwriters at Lloyd's Londongreen | 1 | 1 |
| Bush Construction, Inc. v. Texas Mutual Insurance Companygreen | 1 | 1 |
| GENERAL STAR INDEMNITY CO. v. Gulf Coast Marine Associates, Inc.green | 1 | 1 |
| Argonaut Southwest Insurance Company v. Maupingreen | 1 | 1 |
| Moreno v. Sterling Drug, Inc.green | 1 | 1 |
| Allstate County Mutual Insurance Co. v. Woottongreen | 1 | 1 |
| Stark v. Cressgreen | 1 | 1 |
| Raub v. Applebygreen | 1 | 1 |
| American General Life Insurance v. Ace Insurancegreen | 1 | 1 |
| Cigna Lloyds Insurance Co. v. Bradleys' Electric, Inc.green | 1 | 1 |
| Cook v. Herringgreen | 1 | 1 |
| Case | Negative | Cited |
|---|---|---|
| No negative-treatment citations attached to this issue in Texas. Read the followed side critically anyway. | ||
| Case | Cited | Years |
|---|---|---|
Burlington Insurance Co. v. Texas Krishnas, Inc.
green
2 sentences2006Application of the fortuity doctrine in the duty-to-defend context is resolved by the eight-corners rule; “we focus only on those facts that are alleged in the pleadings in the underlying lawsuit.” Tex. Krishnas, Inc. , 143 S.W.3d at 230 . 2006Application of the fortuity doctrine in the duty-to-defend context is resolved by the eight-corners rule; “we focus only on those facts that are alleged in the pleadings in the underlying lawsuit.” Tex. Krishnas, Inc., 143 S.W.3d at 230 . | 2 | 2006–2006 |
Pine Oak Builders, Inc. v. Great American Lloyds Insurance Co.
green
2 sentences2006GuideOne , 197 S.W.3d at 309 B 10; Pine Oak , 2006 WL 1892669, at *6 . 2006GuideOne, 197 S.W.3d at 309-10 ; Pine Oak, 2006 WL 1892669, at *6 . | 2 | 2006–2006 |
Gehan Homes, Ltd. v. Employers Mutual Casualty Co.
green
2 sentences2006Gehan Homes, Ltd., 146 S.W.3d at 838 . 2006Gehan Homes, Ltd., 146 S.W.3d at 838 . | 2 | 2006–2006 |
| Star-Tex Resources, L.L.C. v. Granite State Insurance green | 1 | 2022–2022 |
| Westchester Fire Insurance Co. v. Gulf Coast Rod, Reel & Gun Club green | 1 | 2021–2021 |
| Warrantech Corp. v. Steadfast Insurance Co. green | 1 | 2020–2020 |
| State Farm Lloyds v. Page green | 1 | 2014–2014 |
| Cluett v. Medical Protective Co. green | 1 | 2013–2013 |
| Burlington Northern & Santa Fe Railway Co. v. National Union Fire Insurance Co. neutral | 1 | 2011–2011 |
| Fielder Road Baptist Church v. Guideone Elite Insurance Co. green | 1 | 2006–2006 |
| Terra International, Inc. v. Commonwealth Lloyd's Insurance Co. green | 1 | 1998–1998 |
Counted by distinct opinions that both name this issue and are annotated to the section; sections every opinion cites regardless of issue are not filtered here, so read the counts against the total above.
Opinions by the citing court's state. A doctrine retained in one state and abandoned in another shows up here as a year span that stalls.