59 Iowa opinions name it 2 courts 1923–2023 2 in the last five years
The cases below were cited by Iowa 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 |
|---|---|---|
Milholin v. Vorhiesgreen2 sentences2018Historically, we have said that an agency rule is "presumed valid unless the party challenging the rule proves 'a "rational agency" could not conclude the rule was within its delegated authority.' " Meredith Outdoor Advert., Inc. v. Iowa Dep't of Transp ., 648 N.W.2d 109 , 117 (Iowa 2002) (quoting Milholin v. Vorhies , 320 N.W.2d 552 , 554 (Iowa 1982) (en banc) ); see also Brakke , 897 N.W.2d at 533 . 2018Historically, we have said that an agency rule is “presumed valid unless the party challenging the rule proves ‘a “rational agency” could not conclude the rule was within its delegated authority.’ ” Meredith Outdoor Advert., Inc. v. Iowa Dep’t of Transp., 648 N.W.2d 109, 117 (Iowa 2002) (quoting Milholin v. Vorhies, 320 N.W.2d 552, 554 (Iowa 1982) (en banc)); see also Brakke, 897 N.W.2d at 533 . | 6 | 7 |
Meredith Outdoor Advertising, Inc. v. Iowa Department of Transportation, Office of Right of Waygreen2 sentences2018Historically, we have said that an agency rule is "presumed valid unless the party challenging the rule proves 'a "rational agency" could not conclude the rule was within its delegated authority.' " Meredith Outdoor Advert., Inc. v. Iowa Dep't of Transp ., 648 N.W.2d 109 , 117 (Iowa 2002) (quoting Milholin v. Vorhies , 320 N.W.2d 552 , 554 (Iowa 1982) (en banc) ); see also Brakke , 897 N.W.2d at 533 . 2018Historically, we have said that an agency rule is “presumed valid unless the party challenging the rule proves ‘a “rational agency” could not conclude the rule was within its delegated authority.’ ” Meredith Outdoor Advert., Inc. v. Iowa Dep’t of Transp., 648 N.W.2d 109, 117 (Iowa 2002) (quoting Milholin v. Vorhies, 320 N.W.2d 552, 554 (Iowa 1982) (en banc)); see also Brakke, 897 N.W.2d at 533 . | 4 | 5 |
Burlington Industries, Inc. v. Ellerthgreen2 sentences2023Under the second theory, although an employer can be vicariously liable for the actions of its supervisors through an agency analysis where the employer’s liability is premised on the supervisor misusing a position of authority, id. at 573–75 (discussing federal cases distinguishing between liability premised on an employer’s direct negligence and vicarious liability for a supervisor’s actions), the 26 employer can avoid vicarious liability if it can show it “exercised reasonable care” to promptly correct or prevent the harassing behavior and the plaintiff failed to take advantage of the oppor 2023Under the second theory, although an employer can be vicariously liable for the actions of its supervisors through an agency analysis where the employer’s liability is premised on the supervisor misusing a position of authority, id. at 573–75 (discussing federal cases distinguishing between liability premised on an employer’s direct negligence and vicarious liability for a supervisor’s actions), the 26 employer can avoid vicarious liability if it can show it “exercised reasonable care” to promptly correct or prevent the harassing behavior and the plaintiff failed to take advantage of the oppor | 4 | 4 |
Teleconnect Co. v. Iowa State Commerce Commissiongreen2 sentences2014We have also observed that the de facto officer doctrine “is consistent with the broader rule that presumes the validity of official agency actions.” Allen, 528 N.W.2d at 588 ; see also Teleconnect Co. v. Iowa State Commerce Comm’n, 404 N.W.2d 158, 162 (Iowa 1987) (“An agency rule is presumed valid and the burden is on the party challenging it to demonstrate that a ‘rational agency’ could not conclude the rule was within the agency’s delegated authority.”). 2014We have also observed that the de facto officer doctrine “is consistent with the broader rule that presumes the validity of official agency actions.” Allen, 528 N.W.2d at 588 ; see also Teleconnect Co. v. Iowa State Commerce Comm’n, 404 N.W.2d 158, 162 (Iowa 1987) (“An agency rule is presumed valid and the burden is on the party challenging it to demonstrate that a ‘rational agency could not conclude the rule was within the agency’s delegated authority.”). | 3 | 6 |
Young Plumbing & Heating Co. v. Iowa Natural Resources Councilgreen2 sentences1993Young Plumbing & Heating Co. v. Iowa Natural Resources Council, 276 N.W.2d 377, 383 (Iowa 1979). 1986Young Plumbing Co. v. Iowa, 276 N.W.2d 377, 382 (Iowa 1979). | 3 | 3 |
Tom Brakke and Rhonda Brakke D/B/A/ Pine Ridge Hunting Lodge, and McBra, Inc. v. Iowa Department of Natural Resources and Iowa Natural Resource Commissiongreen2 sentences2018Historically, we have said that an agency rule is "presumed valid unless the party challenging the rule proves 'a "rational agency" could not conclude the rule was within its delegated authority.' " Meredith Outdoor Advert., Inc. v. Iowa Dep't of Transp ., 648 N.W.2d 109 , 117 (Iowa 2002) (quoting Milholin v. Vorhies , 320 N.W.2d 552 , 554 (Iowa 1982) (en banc) ); see also Brakke , 897 N.W.2d at 533 . 2018Historically, we have said that an agency rule is “presumed valid unless the party challenging the rule proves ‘a “rational agency” could not conclude the rule was within its delegated authority.’ ” Meredith Outdoor Advert., Inc. v. Iowa Dep’t of Transp., 648 N.W.2d 109, 117 (Iowa 2002) (quoting Milholin v. Vorhies, 320 N.W.2d 552, 554 (Iowa 1982) (en banc)); see also Brakke, 897 N.W.2d at 533 . | 2 | 2 |
Johnson v. Shinsekigreen2 sentences2017Ellerth, 524 U.S. at 764 , 118 S. Ct. at 2270 (adopting affirmative defense “in order to accommodate the agency principle of vicarious liability for harm caused by misuse of supervisory authority” (emphasis added)); accord Faragher, 524 U.S. at 807 , 118 S. Ct. at 2292 ; see also Johnson v. Shinseki, 811 F. Supp. 2d 336 , 348 n.2 (D.D.C. 2011) (holding because the court applied the negligence standard, “the Faragher defense is inapplicable”); Swinton v. Potomac Corp., 270 F.3d 794, 803 (9th Cir. 2001) (stating defense did not apply to negligence standard); Lintz v. Am. 2017Ellerth, 524 U.S. at 764 , 118 S. Ct. at 2270 (adopting affirmative defense “in order to accommodate the agency principle of vicarious liability for harm caused by misuse of supervisory authority” (emphasis added)); accord Faragher, 524 U.S. at 807 , 118 S. Ct. at 2292 ; see also Johnson v. Shinseki, 811 F. Supp. 2d 336 , 348 n.2 (D.D.C. 2011) (holding because the court applied the negligence standard, “the Faragher defense is inapplicable”); Swinton v. Potomac Corp., 270 F.3d 794, 803 (9th Cir. 2001) (stating defense did not apply to negligence standard); Lintz v. Am. | 2 | 2 |
Iowa Medical Society and Iowa Society of Anesthesiologists v. Iowa Board of Nursinggreen2 sentences2017Soc. v. Iowa Bd. of Nursing, 831 N.W.2d 826, 839 (Iowa 2013). 2017Soc. v. Iowa Bd. of Nursing, 831 N.W.2d 826, 839 (Iowa 2013). | 2 | 2 |
Faragher v. City of Boca Ratongreen2 sentences2017Ellerth, 524 U.S. at 764 , 118 S. Ct. at 2270 (adopting affirmative defense “in order to accommodate the agency principle of vicarious liability for harm caused by misuse of supervisory authority” (emphasis added)); accord Faragher, 524 U.S. at 807 , 118 S. Ct. at 2292 ; see also Johnson v. Shinseki, 811 F. Supp. 2d 336 , 348 n.2 (D.D.C. 2011) (holding because the court applied the negligence standard, “the Faragher defense is inapplicable”); Swinton v. Potomac Corp., 270 F.3d 794, 803 (9th Cir. 2001) (stating defense did not apply to negligence standard); Lintz v. Am. 2017Ellerth, 524 U.S. at 764 , 118 S. Ct. at 2270 (adopting affirmative defense “in order to accommodate the agency principle of vicarious liability for harm caused by misuse of supervisory authority” (emphasis added)); accord Faragher, 524 U.S. at 807 , 118 S. Ct. at 2292 ; see also Johnson v. Shinseki, 811 F. Supp. 2d 336 , 348 n.2 (D.D.C. 2011) (holding because the court applied the negligence standard, “the Faragher defense is inapplicable”); Swinton v. Potomac Corp., 270 F.3d 794, 803 (9th Cir. 2001) (stating defense did not apply to negligence standard); Lintz v. Am. | 2 | 2 |
Rosalba Aguirre-Cervantes AKA Maria Esperanza Castillo v. Immigration and Naturalization Servicegreen2 sentences2017Ellerth, 524 U.S. at 764 , 118 S. Ct. at 2270 (adopting affirmative defense “in order to accommodate the agency principle of vicarious liability for harm caused by misuse of supervisory authority” (emphasis added)); accord Faragher, 524 U.S. at 807 , 118 S. Ct. at 2292 ; see also Johnson v. Shinseki, 811 F. Supp. 2d 336 , 348 n.2 (D.D.C. 2011) (holding because the court applied the negligence standard, “the Faragher defense is inapplicable”); Swinton v. Potomac Corp., 270 F.3d 794, 803 (9th Cir. 2001) (stating defense did not apply to negligence standard); Lintz v. Am. 2017Ellerth, 524 U.S. at 764 , 118 S. Ct. at 2270 (adopting affirmative defense “in order to accommodate the agency principle of vicarious liability for harm caused by misuse of supervisory authority” (emphasis added)); accord Faragher, 524 U.S. at 807 , 118 S. Ct. at 2292 ; see also Johnson v. Shinseki, 811 F. Supp. 2d 336 , 348 n.2 (D.D.C. 2011) (holding because the court applied the negligence standard, “the Faragher defense is inapplicable”); Swinton v. Potomac Corp., 270 F.3d 794, 803 (9th Cir. 2001) (stating defense did not apply to negligence standard); Lintz v. Am. | 2 | 2 |
Overton v. Stategreen2 sentences2013See GME, 584 N.W.2d at 324–25. “ ‘An agency rule is presumed valid and the party challenging the rule has the burden to demonstrate that a “rational agency” could not conclude the rule was within its delegated authority.’ ” Id. at 325 (quoting Overton v. State, 493 N.W.2d 857, 859 (Iowa 1992)); see also Iowa Code § 17A.19(8)(a) (“[I]n suits for judicial review of agency action . . . [t]he burden of demonstrating . . . the invalidity of agency action is on the party asserting invalidity.”). 2013See GME, 584 N.W.2d at 324-25 . “ ‘An agency rule is presumed valid and the party challenging the rule has the burden to demonstrate that a “rational agency” could not conclude the rule was within its delegated authority.’ ” Id. at 325 (quoting Overton v. State, 493 N.W.2d 857, 859 (Iowa 1992)); see also Iowa Code § 17A.19(8)(a) (“[I]n suits for judicial review of agency action ... [t]he burden of demonstrating ... the invalidity of agency action is on the party asserting invalidity.”). | 2 | 2 |
Hollinrake v. Iowa Law Enforcement Academygreen2 sentences2008Hollinrake v. Iowa Law Enforcement Acad., 452 N.W.2d 598, 601 (Iowa 1990). 2008Hollinrake v. Iowa Law Enforcement Acad., 452 N.W.2d 598, 601 (Iowa 1990). | 2 | 2 |
Johnston v. Iowa Real Estate Commissiongreen2 sentences1988Johnston v. Iowa Real Estate Comm’n, 344 N.W.2d 236, 240 (Iowa 1984). 1985Johnston v. Iowa Real Estate Commission, 344 N.W.2d 236, 240 (Iowa 1984). | 2 | 2 |
Davenport Community School District v. Iowa Civil Rights Commissiongreen2 sentences1987Davenport Community School Dist. v. Iowa Civil Rights Comm’n, 277 N.W.2d 907, 910 (Iowa 1979); City of Davenport v. PERB, 264 N.W.2d 307, 312 (Iowa 1978). 1983Milholin v. Vorhies, 320 N.W.2d 552, 554 (1982); Iowa Auto Dealers Ass’n v. Iowa Department of Revenue, 301 N.W.2d 760, 762 (Iowa 1981); Hiserote Homes, Inc. v. Riedemann, 277 N.W.2d 911, 913 (Iowa 1979); Davenport Community School District v. Iowa Civil Rights Comm’n, 277 N.W.2d 907, 910 (Iowa 1979). | 2 | 2 |
City of Marion v. Iowa Department of Revenue & Financegreen2 sentences2018City of Sioux City v. Iowa Dep't of Revenue & Fin. , 666 N.W.2d 587 , 592 (Iowa 2003) ("The fact that this administrative rule has been in effect for eleven years strongly cautions against finding the rule invalid."); City of Marion v. Iowa Dep't of Revenue & Fin. , 643 N.W.2d 205 , 208 (Iowa 2002) ("We have recognized that if the meaning of the statute that is subject to administrative implementation is subject to doubt and has been made the object of a rule of long-standing, we should give weight to the administrative interpretation."); accord Smith v. City of Jackson , 544 U.S. 228 , 239, 1 2010In City of Marion , we gave the department’s interpretation of a statute, as set forth in an agency rule, "appropriate deference” under section 17A.19(ll)(c). 643 N.W.2d at 207 . | 1 | 2 |
Kleidosty v. Employment Appeal Boardgreen2 sentences2018Freeland , 492 N.W.2d at 196 (citing Kleidosty v. Emp't Appeal Bd. , 482 N.W.2d 416 , 416-17 (Iowa 1992) ). 1992See, e.g., Kleidosty v. Employment Appeal Bd., 482 N.W.2d 416, 416-17 (Iowa 1992); Larson v. Iowa Dep't of Job Serv., 474 N.W.2d 570, 571-72 (Iowa 1991). | 1 | 2 |
Iowa-Illinois Gas & Electric Co. v. Iowa State Commerce Commissiongreen2 sentences1987Iowa-Illinois Gas & Elec. v. Iowa State Commerce Comm’n, 334 N.W.2d 748, 751-52 (Iowa 1983) (citing Milholin v. Vorhies, 320 N.W.2d 552, 554 (Iowa 1982)). 1985“An agency rule is presumed valid and the burden is on the party challenging it to demonstrate that a ‘rational agency’ could not conclude the rule was within the agency’s delegated authority.” Id. at 751-52 . | 1 | 2 |
City of Sioux City v. Iowa Department of Revenue & Financegreen1 sentence2018City of Sioux City v. Iowa Dep't of Revenue & Fin. , 666 N.W.2d 587 , 592 (Iowa 2003) ("The fact that this administrative rule has been in effect for eleven years strongly cautions against finding the rule invalid."); City of Marion v. Iowa Dep't of Revenue & Fin. , 643 N.W.2d 205 , 208 (Iowa 2002) ("We have recognized that if the meaning of the statute that is subject to administrative implementation is subject to doubt and has been made the object of a rule of long-standing, we should give weight to the administrative interpretation."); accord Smith v. City of Jackson , 544 U.S. 228 , 239, 1 | 1 | 1 |
Smith v. City of Jacksongreen2 sentences2018City of Sioux City v. Iowa Dep't of Revenue & Fin. , 666 N.W.2d 587 , 592 (Iowa 2003) ("The fact that this administrative rule has been in effect for eleven years strongly cautions against finding the rule invalid."); City of Marion v. Iowa Dep't of Revenue & Fin. , 643 N.W.2d 205 , 208 (Iowa 2002) ("We have recognized that if the meaning of the statute that is subject to administrative implementation is subject to doubt and has been made the object of a rule of long-standing, we should give weight to the administrative interpretation."); accord Smith v. City of Jackson , 544 U.S. 228 , 239, 1 2018City of Sioux City v. Iowa Dep't of Revenue & Fin. , 666 N.W.2d 587 , 592 (Iowa 2003) ("The fact that this administrative rule has been in effect for eleven years strongly cautions against finding the rule invalid."); City of Marion v. Iowa Dep't of Revenue & Fin. , 643 N.W.2d 205 , 208 (Iowa 2002) ("We have recognized that if the meaning of the statute that is subject to administrative implementation is subject to doubt and has been made the object of a rule of long-standing, we should give weight to the administrative interpretation."); accord Smith v. City of Jackson , 544 U.S. 228 , 239, 1 | 1 | 1 |
State of Iowa v. Jeffrey K. Raglandgreen1 sentence2018See Ragland , 812 N.W.2d at 658 . 5 We note the record reflects that store 204 did have a class "B" wine permit, but it surrendered that permit, and testimony at the agency hearing indicated the store had no future plans to sell wine in the store. | 1 | 1 |
Lee v. Employment Appeal Boardgreen1 sentence2017See Lee v. Emp’t Appeal Bd., 616 N.W.2d 661, 665 (Iowa 2000) (“The employer bears the burden of proving a claimant is disqualified for benefits because of misconduct.”). | 1 | 1 |
| Cedar Rapids Community School District and EMC Insurance Companies v. Christine Peasegreen | 1 | 1 |
| City of Sioux City v. Iowa Department of Commercegreen | 1 | 1 |
| McMahon v. Iowa Department of Transportation, Motor Vehicle Divisiongreen | 1 | 1 |
| The Sherwin-williams Company Vs. Iowa Department Of Revenuegreen | 1 | 1 |
| Locate.Plus.Com, Inc. v. Iowa Department of Transportationgreen | 1 | 1 |
| Fisher v. Iowa Board of Optometry Examinersgreen | 1 | 1 |
| Panda Engineering v. Engineering & Land Surveying Examining Boardgreen | 1 | 1 |
| Dunlap Care Center v. Iowa Department of Social Servicesgreen | 1 | 1 |
| Citizens' Aide/Ombudsman v. Millergreen | 1 | 1 |
| Larson v. Employment Appeal Boardgreen | 1 | 1 |
| Schmidt v. Iowa State Board of Dental Examinersgreen | 1 | 1 |
| Klobnock Ex Rel. Abbottgreen | 1 | 1 |
| Pillsbury Co. v. Wardgreen | 1 | 1 |
| Armstrong v. State of Iowa Buildings & Groundsgreen | 1 | 1 |
| City of Davenport v. Public Employment Relations Boardgreen | 1 | 1 |
| Security Savings Bank v. Hustongreen | 1 | 1 |
| Iowa Auto Dealers Ass'n v. Iowa Department of Revenuegreen | 1 | 1 |
| Hiserote Homes, Inc. v. Riedemanngreen | 1 | 1 |
| Brumley v. Iowa Department of Job Servicegreen | 1 | 1 |
| Case | Negative | Cited |
|---|---|---|
| No negative-treatment citations attached to this issue in Iowa. Read the followed side critically anyway. | ||
| Case | Cited | Years |
|---|---|---|
Lynch v. City of Des Moines
green
2 sentences2023Under the second theory, although an employer can be vicariously liable for the actions of its supervisors through an agency analysis where the employer’s liability is premised on the supervisor misusing a position of authority, id. at 573–75 (discussing federal cases distinguishing between liability premised on an employer’s direct negligence and vicarious liability for a supervisor’s actions), the 26 employer can avoid vicarious liability if it can show it “exercised reasonable care” to promptly correct or prevent the harassing behavior and the plaintiff failed to take advantage of the oppor 2023Under the second theory, although an employer can be vicariously liable for the actions of its supervisors through an agency analysis where the employer’s liability is premised on the supervisor misusing a position of authority, id. at 573–75 (discussing federal cases distinguishing between liability premised on an employer’s direct negligence and vicarious liability for a supervisor’s actions), the 26 employer can avoid vicarious liability if it can show it “exercised reasonable care” to promptly correct or prevent the harassing behavior and the plaintiff failed to take advantage of the oppor | 2 | 2023–2023 |
Roberts v. Iowa Department of Job Service
green
2 sentences2016Her employer fired her for excessive absenteeism, and she filed for unemployment benefits, which were denied based on the agency rule for excessive absenteeism. 6 Id. at 220 . 2016Her employer fired her for excessive absenteeism, and she filed for unemployment benefits, which were denied based on the agency rule for excessive absenteeism. 6 Id. at 220 . | 2 | 2016–2016 |
Harlan v. Iowa Department of Job Service
green
2 sentences2016Id. at 194 . 2016Id. at 194 . | 2 | 2016–2016 |
City of Des Moines v. Iowa Dep't of Transp. & Iowa Transp. Comm'n
green
2 sentences2019City of Des Moines v. Iowa Dep't of Transp. , 911 N.W.2d 431 , 440-41 (Iowa 2018). 2019City of Des Moines v. Iowa Dep’t of Transp., 911 N.W.2d 431 , 440–41 (Iowa 2018). | 1 | 2019–2019 |
Hollinrake v. Monroe County
green
1 sentence2019Hollinrake v. Monroe County , 433 N.W.2d 696 , 699-700 (Iowa 1988) (holding chapter 17A provided the exclusive remedy for deputy's challenge to rule on vision requirements for law enforcement academy). | 1 | 2019–2019 |
National Labor Relations Board v. Bell Aerospace Co.
green
2 sentences2018City of Sioux City v. Iowa Dep't of Revenue & Fin. , 666 N.W.2d 587 , 592 (Iowa 2003) ("The fact that this administrative rule has been in effect for eleven years strongly cautions against finding the rule invalid."); City of Marion v. Iowa Dep't of Revenue & Fin. , 643 N.W.2d 205 , 208 (Iowa 2002) ("We have recognized that if the meaning of the statute that is subject to administrative implementation is subject to doubt and has been made the object of a rule of long-standing, we should give weight to the administrative interpretation."); accord Smith v. City of Jackson , 544 U.S. 228 , 239, 1 2018City of Sioux City v. Iowa Dep't of Revenue & Fin. , 666 N.W.2d 587 , 592 (Iowa 2003) ("The fact that this administrative rule has been in effect for eleven years strongly cautions against finding the rule invalid."); City of Marion v. Iowa Dep't of Revenue & Fin. , 643 N.W.2d 205 , 208 (Iowa 2002) ("We have recognized that if the meaning of the statute that is subject to administrative implementation is subject to doubt and has been made the object of a rule of long-standing, we should give weight to the administrative interpretation."); accord Smith v. City of Jackson , 544 U.S. 228 , 239, 1 | 1 | 2018–2018 |
Freeland v. Employment Appeal Board
green
1 sentence2018Freeland , 492 N.W.2d at 196 (citing Kleidosty v. Emp't Appeal Bd. , 482 N.W.2d 416 , 416-17 (Iowa 1992) ). | 1 | 2018–2018 |
Commodity Futures Trading Commission v. Schor
green
2 sentences2018City of Sioux City v. Iowa Dep't of Revenue & Fin. , 666 N.W.2d 587 , 592 (Iowa 2003) ("The fact that this administrative rule has been in effect for eleven years strongly cautions against finding the rule invalid."); City of Marion v. Iowa Dep't of Revenue & Fin. , 643 N.W.2d 205 , 208 (Iowa 2002) ("We have recognized that if the meaning of the statute that is subject to administrative implementation is subject to doubt and has been made the object of a rule of long-standing, we should give weight to the administrative interpretation."); accord Smith v. City of Jackson , 544 U.S. 228 , 239, 1 2018City of Sioux City v. Iowa Dep't of Revenue & Fin. , 666 N.W.2d 587 , 592 (Iowa 2003) ("The fact that this administrative rule has been in effect for eleven years strongly cautions against finding the rule invalid."); City of Marion v. Iowa Dep't of Revenue & Fin. , 643 N.W.2d 205 , 208 (Iowa 2002) ("We have recognized that if the meaning of the statute that is subject to administrative implementation is subject to doubt and has been made the object of a rule of long-standing, we should give weight to the administrative interpretation."); accord Smith v. City of Jackson , 544 U.S. 228 , 239, 1 | 1 | 2018–2018 |
Orr v. Lewis Central School District
green
1 sentence2015If the claimant did not know — or did not have knowledge of facts sufficient to trigger a duty to investigate — “the nature, seriousness!,] and probable compensable character” of their injury, Orr, 298 N.W.2d at 261 , the discovery rule tolls the limitation period until the claimant gains that knowledge. | 1 | 2015–2015 |
| Allen v. STATE OF IOWA, DEPT. OF PERSONNEL green | 1 | 2014–2014 |
| Dain Manufacturing Co. v. Iowa State Tax Commission green | 1 | 2010–2010 |
| Associated General Contractors v. State Tax Commission green | 1 | 2010–2010 |
| Krause v. STATE EX REL. IOWA DHS green | 1 | 1998–1998 |
| McCrea v. Iowa Department of Transportation green | 1 | 1987–1987 |
| Veach v. Iowa Department of Transportation green | 1 | 1986–1986 |
| Catalfo v. Firestone Tire and Rubber Co. green | 1 | 1984–1984 |
| Schmitt v. Iowa Department of Social Services green | 1 | 1983–1983 |
| Norwegian Plow Co. v. Clark green | 1 | 1966–1966 |
| Smith v. Jordan green | 1 | 1923–1923 |
| Parker v. Wilson green | 1 | 1923–1923 |
| Lewis v. Steele green | 1 | 1923–1923 |
| Van Blaricom v. . Dodgson green | 1 | 1923–1923 |
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.