clearly-erroneous standard (Illinois) · Go Syfert
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clearly-erroneous standard in Illinois

33 Illinois opinions name it 1 courts 2005–2025 5 in the last five years

The cases below were cited by Illinois 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.

Followed or applied (10)

CaseFollowedCited
Home Depot USA v. Department of Revenuegreen
illappct · 2005 · cited in 4 Illinois opinions naming this issue, 2007–2008
2 sentences

2008Home Depot, U.S.A., Inc. v. Department of Revenue, 355 Ill.

2008Home Depot, U.S.A., Inc. v. Department of Revenue, 355 Ill.App.3d 370, 374 , 291 Ill.Dec. 333 , 823 N.E.2d 625 (2005).

44
City of Belvidere v. Illinois State Labor Relations Boardgreen
ill · 1998 · cited in 5 Illinois opinions naming this issue, 2006–2014
2 sentences

2006The clearly-erroneous standard of review is "between a manifest[-]weight[-]of[-]the[-]evidence standard and a de novo standard so as to provide some deference to the [agency's] experience and expertise." City of Belvidere v. Illinois State Labor Relations Board, 181 Ill. 2d 191, 205 , 692 N.E.2d 295, 302 (1998).

2006The clearly-erroneous standard of review is "between a manifest[-]weight[-]of[-]the[-]evidence standard and a de novo standard so as to provide some deference to the [agency's] experience and expertise." City of Belvidere v. Illinois State Labor Relations Board, 181 Ill. 2d 191, 205 , 692 N.E.2d 295, 302 (1998).

35
AFM Messenger Service, Inc. v. Department of Employment Securitygreen
ill · 2001 · cited in 4 Illinois opinions naming this issue, 2005–2007
2 sentences

2007While the agency is awarded deference, a reviewing court will reverse the agency decision when there is evidence supporting reversal and the reviewing court is " 'left with the definite and firm conviction that a mistake has been committed.' " AFM Messenger Service, Inc. v. Department of Employment Security, 198 Ill. 2d 380, 393 (2001), quoting United 1 The clearly-erroneous standard, rather than a bifurcated standard, applies to administrative cases involving mixed questions of law and fact in part because of the deference given to the agency's experience and expertise in interpreting its sta

2005AFM Messenger Service, 198 Ill. 2d at 395 , 763 N.E.2d at 282 .

34
Elementary School District 159 v. Schillergreen
ill · 2006 · cited in 2 Illinois opinions naming this issue, 2008–2008
2 sentences

2008See Elementary School District 159 v. Schiller, 221 Ill. 2d 130, 144 (2006) (applying de novo standard of review for statutory interpretation question and clearly-erroneous standard to the school board’s ultimate decision); Honeywell International, Inc. v. Department of Revenue, 366 Ill.

2008See Elementary School District 159 v. Schiller, 221 Ill.2d 130, 144 , 302 Ill.Dec. 557 , 849 N.E.2d 349 (2006) (applying de novo standard of review for statutory interpretation question and clearly-erroneous standard to the school board's ultimate decision); Honeywell International, Inc. v. Department of Revenue, 366 Ill.App.3d 187, 192 , 303 Ill.Dec. 181 , 851 N.E.2d 79 (2006) (applying clearly-erroneous standard of review where facts were undisputed but application of statute to facts was in dispute).

22
Honeywell International, Inc. v. Department of Revenuegreen
illappct · 2006 · cited in 2 Illinois opinions naming this issue, 2008–2008
2 sentences

2008See Elementary School District 159 v. Schiller, 221 Ill. 2d 130, 144 (2006) (applying de novo standard of review for statutory interpretation question and clearly-erroneous standard to the school board’s ultimate decision); Honeywell International, Inc. v. Department of Revenue, 366 Ill.

2008See Elementary School District 159 v. Schiller, 221 Ill.2d 130, 144 , 302 Ill.Dec. 557 , 849 N.E.2d 349 (2006) (applying de novo standard of review for statutory interpretation question and clearly-erroneous standard to the school board's ultimate decision); Honeywell International, Inc. v. Department of Revenue, 366 Ill.App.3d 187, 192 , 303 Ill.Dec. 181 , 851 N.E.2d 79 (2006) (applying clearly-erroneous standard of review where facts were undisputed but application of statute to facts was in dispute).

22
Board of Education of Glenview Community Consolidated School District No. 34 v. Illinois Educational Labor Relations Boardgreen
illappct · 2007 · cited in 1 Illinois opinions naming this issue, 2025–2025
1 sentence

2025Under the clearly-erroneous standard, we will reverse only if we are “ ‘left with the definite and firm conviction that a mistake has been committed.’ ” Id. (quoting Board of Education of Glenview Community Consolidated School District No. 34 v. Illinois Educational Labor Relations Board, 374 Ill.

11
Board of Trustees of the University of Illinois v. Illinois Educational Labor Relations Boardgreen
illappct · 2018 · cited in 1 Illinois opinions naming this issue, 2025–2025
2 sentences

2025See Board of Trustees of University of Illinois v. Illinois Educational Labor Relations Board., 2018 IL App (4th) 170059, ¶ 84 .

2025Under the clearly-erroneous standard, we will reverse only if we are “ ‘left with the definite and firm conviction that a mistake has been committed.’ ” Id. (quoting Board of Education of Glenview Community Consolidated School District No. 34 v. Illinois Educational Labor Relations Board, 374 Ill.

11
Cinkus v. Village of Stickney Municipal Officers Electoral Boardgreen
ill · 2008 · cited in 1 Illinois opinions naming this issue, 2023–2023
1 sentence

2023Id. (citing Cinkus v. Village of Stickney Municipal Officers Electoral Board, 228 Ill. 2d 200, 210 (2008)). ¶ 45 This case does not involve a question of law like the issue of statutory construction presented in Heelan—the meaning of “catastrophic injury” as used in section 10(a) of the Act.

11
Carpetland U.S.A., Inc. v. Illinois Department of Employment Securitygreen
ill · 2002 · cited in 1 Illinois opinions naming this issue, 2023–2023
1 sentence

2023See, e.g., Carpetland U.S.A., Inc. v. Illinois Department of Employment Security, 201 Ill. 2d 351, 369 (2002).

11
Dotson v. Former Shareholders of Abraham Lincoln Land and Cattle Co.green
illappct · 2002 · cited in 1 Illinois opinions naming this issue, 2013–2013
1 sentence

2013See infra ¶ 40. 7 The Hochs’ suggestion, in their motion to clarify, that the trial court previously resolved the issue, presumably at summary judgment, is difficult to reconcile with their presentation at trial of evidence and argument on the requisites of section 13-110. -10- Shareholders of Abraham Lincoln Land & Cattle Co., 332 Ill.

11

Distinguished, questioned or overruled (0)

CaseNegativeCited
No negative-treatment citations attached to this issue in Illinois. Read the followed side critically anyway.

Also cited on this issue (18)

CaseCitedYears
Lombard Public Facilities Corp. v. Department of Revenue green
illappct · 2008
2 sentences

2016“The clearly-erroneous standard of review lies somewhere between a de novo and a manifest-weight-of-the-evidence standard, but provides some deference to the agency’s experience and expertise.” Lombard Public Facilities Corp., 378 Ill.

2014Id.

52009–2016
Dow Chemical Co. v. Department of Revenue green
illappct · 2005
2 sentences

2008Dow, 359 Ill.

2008Dow, 359 Ill.App.3d at 22 , 295 Ill.Dec. 133 , 832 N.E.2d 284 .

42007–2008
Du Page County Airport Authority v. Department of Revenue green
illappct · 2005
2 sentences

2006Du Page County Airport Authority, 358 Ill.

2006Du Page County Airport Authority, 358 Ill.

42006–2006
Ogden Chrysler Plymouth, Inc. v. Bower green
illappct · 2004
2 sentences

2005Similarly, in Ogden Chrysler Plymouth, Inc. v. Bower , 348 Ill.

2005Similarly, in Ogden Chrysler Plymouth, Inc. v. Bower, 348 Ill.

22005–2005
Du Page County Board v. Department of Revenue green
illappct · 2003
2 sentences

2005Du Page County Board of Review , 339 Ill.

2005Du Page County Board of Review, 339 Ill.

22005–2005
Swank v. Department of Revenue green
illappct · 2003
2 sentences

2005All the parties rely on this court's decision in Swank v. Department of Revenue , 336 Ill.

2005Swank , 336 Ill.

22005–2005
Marconi v. Chicago Heights Police Pension Board green
ill · 2007
1 sentence

2025We also note that, “under any standard of review, a plaintiff to an administrative proceeding bears the burden of proof, and relief will be denied if he or she [or it] fails to sustain that burden.” Marconi, 225 Ill. 2d at 532-33 . ¶ 47 Both parties assert that the clearly-erroneous standard applies here.

12025–2025
Leach v. Department of Employment Security green
illappct · 2020
1 sentence

2023Leach v. Dep’t of Employment Security, 2020 IL App (1st) 190299, ¶ 22 . ¶ 22 Before considering the merits of this appeal, we note that plaintiff submitted to the circuit court, in addition to the September 2020 medical note submitted in the Department proceedings, another medical note from the same physician dated March 5, 2021.

12023–2023
Pederson v. Village of Hoffman Estates green
illappct · 2014
1 sentence

2023Id. (citing Cinkus v. Village of Stickney Municipal Officers Electoral Board, 228 Ill. 2d 200, 210 (2008)). ¶ 45 This case does not involve a question of law like the issue of statutory construction presented in Heelan—the meaning of “catastrophic injury” as used in section 10(a) of the Act.

12023–2023
Gruwell v. Department of Financial & Professional Regulation green
illappct · 2010
1 sentence

2020Gruwell, 406 Ill.

12020–2020
Matlock v. Illinois Department of Employment Security green
illappct · 2019
1 sentence

2019Matlock, 2019 IL App (1st) 180645, ¶ 20 .

12019–2019
Martin v. Board of Trustees of the Police Pension Fund of the Village of Shiloh green
illappct · 2017
2 sentences

2018In contrast, however, plaintiff urges us to apply de novo review, citing Martin v. Board of Trustees of the Police Pension Fund of the Village of Shiloh , 2017 IL App (5th) 160344 , ¶ 12, 419 Ill.Dec. 223 , 92 N.E.3d 932 , where the court applied that standard when the facts were undisputed and the issue was whether a police officer was injured while performing an act of duty.

2018In contrast, however, plaintiff urges us to apply de novo review, citing Martin v. Board of Trustees of the Police Pension Fund of the Village of Shiloh , 2017 IL App (5th) 160344 , ¶ 12, 419 Ill.Dec. 223 , 92 N.E.3d 932 , where the court applied that standard when the facts were undisputed and the issue was whether a police officer was injured while performing an act of duty.

12018–2018
Howe v. The Retirement Board of the Firemen's Annunity and Benefit Fund of Chicago green
illappct · 2015
2 sentences

2018For example, urging us to apply the clearly-erroneous standard, defendants cite Howe v. Retirement Board of the Fireman's Annuity & Benefit Fund , 2015 IL App (1st) 141350 , ¶ 47, 390 Ill.Dec. 571 , 29 N.E.3d 503 , where the court applied that standard when the facts were undisputed and the question was whether a firefighter's injury resulted from an act of duty.

2018For example, urging us to apply the clearly-erroneous standard, defendants cite Howe v. Retirement Board of the Fireman's Annuity & Benefit Fund , 2015 IL App (1st) 141350 , ¶ 47, 390 Ill.Dec. 571 , 29 N.E.3d 503 , where the court applied that standard when the facts were undisputed and the question was whether a firefighter's injury resulted from an act of duty.

12018–2018
Petrovic v. The Department of Employment Security green
ill · 2016
1 sentence

2017Petrovic v. Department of Employment Security, 2016 IL 118562, ¶ 21 .

12017–2017
Slater v. Department of Children and Family Services green
illappct · 2011
1 sentence

2015Accordingly, the DCFS determination is reviewed under the clearly-erroneous standard. ¶ 49 The Reporting Act defines a neglected child as one who is not receiving the “care necessary for his or her well-being.” 325 ILCS 5/3 (West 2010); Slater, 2011 IL App (1st) 102914, ¶ 39 .

12015–2015
Provena Covenant Medical Center v. Department of Revenue green
ill · 2010
2 sentences

2014Id. at 387 . - 10 - 2014 IL App (2d) 121251 ¶ 25 Plaintiff argues that all issues raised on appeal involve mixed questions of fact and law and that thus the clearly-erroneous standard applies.

2014Id. at 387 . - 10 - 2014 IL App (2d) 121251 ¶ 25 Plaintiff argues that all issues raised on appeal involve mixed questions of fact and law and that thus the clearly-erroneous standard applies.

12014–2014
Sycamore Community Unit School District No. 427 v. Illinois Property Tax Appeal Board green
illappct · 2014
1 sentence

2014However, because we interpret the statute to preclude relief under the facts before us regardless of whether Dahl properly platted the property, our analysis involves only a question of law and our review is, therefore, de novo. ¶ 28 The primary rule of statutory interpretation is to ascertain and effectuate the legislature’s - 12 - 2014 IL App (2d) 130055 intent in enacting the provision.

12014–2014
Platform I Shore, LLC v. The Village of Lincolnwood green
illappct · 2014
1 sentence

2014Here, the question of whether the proposed use of the plaintiffs' property as a shooting range comports with the language of the zoning ordinance is a mixed question of law and fact, triggering our application of the clearly-erroneous standard-of-review. ¶9 On appeal, the plaintiffs contend that the zoning ordinance in effect at the time of their application unambiguously provided that a shooting range was permissible under the "health -5- 2014 IL App (1st) 133923 club or private recreation" permitted-use provision and that their zoning application should not have been denied.

12014–2014

Statutes the citing opinions construe

IL § 735 ILCS 5/3-101 (9) IL § 735 ILCS 5/3-110 (8)

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.

Where else courts name it

IL 33 (2005–2025) MS 28 (2008–2026) AR 23 (2003–2026) GA 8 (1991–2025) NC 7 (2018–2023) MN 5 (1981–2015) TX 4 (1990–2025) CT 4 (2011–2015) IN 4 (2018–2023) CA 4 (1998–2020) MD 3 (1995–2020) SD 3 (1995–2024) MI 3 (1991–2021) KY 3 (2005–2019) AZ 3 (1998–2025) UT 2 (1991–1991) VT 2 (2008–2015) MO 2 (2016–2016) ND 2 (1989–1991) FL 2 (2021–2023) WA 2 (2013–2013)

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.

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