may invoke doctrine (Illinois) · Go Syfert
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may invoke doctrine in Illinois

8 Illinois opinions name it 2 courts 2006–2026 6 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 (4)

CaseFollowedCited
People v. Rungegreen
ill · 2009 · cited in 3 Illinois opinions naming this issue, 2023–2025
2 sentences

2025“The party to be estopped must have (1) taken two positions, (2) that are factually inconsistent, (3) in separate judicial or quasi-judicial administrative proceedings, (4) intending for the trier of fact to accept the truth of the facts alleged, and (5) have succeeded in the first proceeding and received some benefit from it.” Seymour, 2015 IL 118432, ¶ 37 (citing Runge, 234 Ill. 2d at 132 ).

2023Id. ¶ 37 (citing People v. Runge, 234 Ill. 2d 68, 132 (2009), People v. Jones, 223 Ill. 2d 569, 598 (2006), and People v. Caballero, 206 Ill. 2d 65, 80 (2002)). ¶ 23 However, even where the above prerequisites are found, the party’s inconsistent positions must have resulted from an “intent to deceive or mislead,” rather than “inadvertence or mistake.” Id. ¶ 47 (citing Jaeger v. Clear Wing Productions, Inc., 465 F. Supp. 2d 879, 882 (S.D.

23
Jaeger v. Clear Wing Productions, Inc.green
ilsd · 2006 · cited in 2 Illinois opinions naming this issue, 2023–2023
2 sentences

2023Id. ¶ 37 (citing People v. Runge, 234 Ill. 2d 68, 132 (2009), People v. Jones, 223 Ill. 2d 569, 598 (2006), and People v. Caballero, 206 Ill. 2d 65, 80 (2002)). ¶ 23 However, even where the above prerequisites are found, the party’s inconsistent positions must have resulted from an “intent to deceive or mislead,” rather than “inadvertence or mistake.” Id. ¶ 47 (citing Jaeger v. Clear Wing Productions, Inc., 465 F. Supp. 2d 879, 882 (S.D.

2023Id. ¶ 37 (citing People v. Runge, 234 Ill. 2d 68, 132 (2009), People v. Jones, 223 Ill. 2d 569, 598 (2006), and People v. Caballero, 206 Ill. 2d 65, 80 (2002)). ¶ 23 However, even where the above prerequisites are found, the party’s inconsistent positions must have resulted from an “intent to deceive or mislead,” rather than “inadvertence or mistake.” Id. ¶ 47 (citing Jaeger v. Clear Wing Productions, Inc., 465 F. Supp. 2d 879, 882 (S.D.

22
People v. Armstronggreen
ill · 1998 · cited in 2 Illinois opinions naming this issue, 2006–2006
2 sentences

2006See People v. Armstrong, 183 Ill. 2d 130, 151 , 700 N.E.2d 960, 969 (1998).

2006See People v. Armstrong, 183 Ill. 2d 130, 151 , 700 N.E.2d 960, 969 (1998).

22
Seymour v. Collinsgreen
ill · 2015 · cited in 6 Illinois opinions naming this issue, 2023–2026
2 sentences

2026“Judicial estoppel applies in a judicial proceeding when litigants take a position, benefit from that position, and then seek to take a contrary position in a later proceeding.” Id. ¶ 79 Five prerequisites are generally required before a court may invoke the doctrine of judicial estoppel: “The party to be estopped must have (1) taken two positions, (2) that are factually inconsistent, (3) in separate judicial or quasi-judicial administrative proceedings, (4) intending for the trier of fact to accept the truth of the facts alleged, and (5) have succeeded in the first proceeding and received som

2025The Illinois Supreme Court “has identified five prerequisites as ‘generally required’ before a court may invoke the doctrine of judicial estoppel.” Seymour v. Collins, 2015 IL 118432, ¶ 37 .

16

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 (3)

CaseCitedYears
People v. Caballero green
ill · 2002
2 sentences

2023Id. ¶ 37 (citing People v. Runge, 234 Ill. 2d 68, 132 (2009), People v. Jones, 223 Ill. 2d 569, 598 (2006), and People v. Caballero, 206 Ill. 2d 65, 80 (2002)). ¶ 23 However, even where the above prerequisites are found, the party’s inconsistent positions must have resulted from an “intent to deceive or mislead,” rather than “inadvertence or mistake.” Id. ¶ 47 (citing Jaeger v. Clear Wing Productions, Inc., 465 F. Supp. 2d 879, 882 (S.D.

2023Id. ¶ 37 (citing People v. Runge, 234 Ill. 2d 68, 132 (2009), People v. Jones, 223 Ill. 2d 569, 598 (2006), and People v. Caballero, 206 Ill. 2d 65, 80 (2002)). ¶ 23 However, even where the above prerequisites are found, the party’s inconsistent positions must have resulted from an “intent to deceive or mislead,” rather than “inadvertence or mistake.” Id. ¶ 47 (citing Jaeger v. Clear Wing Productions, Inc., 465 F. Supp. 2d 879, 882 (S.D.

22023–2023
People v. Jones green
ill · 2006
2 sentences

2023Id. ¶ 37 (citing People v. Runge, 234 Ill. 2d 68, 132 (2009), People v. Jones, 223 Ill. 2d 569, 598 (2006), and People v. Caballero, 206 Ill. 2d 65, 80 (2002)). ¶ 23 However, even where the above prerequisites are found, the party’s inconsistent positions must have resulted from an “intent to deceive or mislead,” rather than “inadvertence or mistake.” Id. ¶ 47 (citing Jaeger v. Clear Wing Productions, Inc., 465 F. Supp. 2d 879, 882 (S.D.

2023Id. ¶ 37 (citing People v. Runge, 234 Ill. 2d 68, 132 (2009), People v. Jones, 223 Ill. 2d 569, 598 (2006), and People v. Caballero, 206 Ill. 2d 65, 80 (2002)). ¶ 23 However, even where the above prerequisites are found, the party’s inconsistent positions must have resulted from an “intent to deceive or mislead,” rather than “inadvertence or mistake.” Id. ¶ 47 (citing Jaeger v. Clear Wing Productions, Inc., 465 F. Supp. 2d 879, 882 (S.D.

22023–2023
Colon v. Illinois Central R.R. Co. green
illappct · 2024
1 sentence

2025Co., 2024 IL App (1st) 221841, ¶ 57 . ¶ 80 This court has identified five prerequisites as “generally required” before a court may invoke the doctrine of judicial estoppel.

12025–2025

Statutes the citing opinions construe

USC § 11u.s.c.521 (4)

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 8 (2006–2026) NV 4 (2011–2018) DC 3 (1992–2021) MS 2 (1999–2001) WA 2 (2015–2015) IA 2 (2008–2008)

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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