integration clause (Illinois) · Go Syfert
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integration clause in Illinois

59 Illinois opinions name it 2 courts 1981–2025 11 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 (17)

CaseFollowedCited
Air Safety, Inc. v. Teachers Realty Corp.green
ill · 1999 · cited in 31 Illinois opinions naming this issue, 2000–2024
2 sentences

2024See Air Safety, Inc. v. Teachers Realty Corp., 185 Ill. 2d 457, 464-65 (1999) (“An integration clause is a clause which provides that any prior negotiations leading up to the contract are subsumed in the contract and that the contract is complete in itself.”) When an integration clause is included in a written agreement, the four corners rule applies and extrinsic evidence regarding the parties’ intention is not admissible to interpret the agreement.

2023Id. at 462-63 . ¶ 26 The problem with the plaintiffs’ argument regarding parol evidence is that the contract contained an integration clause. “[W]here parties formally include an integration clause in their contract, they are explicitly manifesting their intention to protect themselves against misinterpretations which might arise from extrinsic evidence.” Air Safety, Inc., 185 Ill. 2d at 464 .

931
Armstrong Paint & Varnish Works v. Continental Can Co.green
· 1921 · cited in 6 Illinois opinions naming this issue, 2007–2024
2 sentences

2024Our supreme court went on to note that “where parties formally include an integration clause in their contract, they are explicitly manifesting their intention to protect themselves against misinterpretations which might arise from extrinsic evidence.” Id.

2013“When parties sign a memorandum expressing all the terms essential to a complete agreement they are to be protected against the doubtful veracity of the interested witnesses and the uncertain memory of disinterested witnesses concerning the terms of their agreement, and the only way in which they can be so protected is by holding each of them conclusively bound by the terms of the agreement as expressed in the writing.” Armstrong Paint & Varnish Works v. Continental Can Co., 301 Ill. 102, 106 (1922). ¶ 25 Plaintiff further argues the term “related loan documents” used in the integration clause

46
Eichengreen v. Rollins, Inc.green
illappct · 2001 · cited in 4 Illinois opinions naming this issue, 2018–2024
2 sentences

2020“Where an integration clause is included in an agreement, the four corners rule applies and extrinsic evidence is not admissible to interpret the agreement.” In re Marriage of Lewin, 2018 IL App (3d) 170175 , ¶ 13, citing Eichengreen v. Rollins, Inc., 325 Ill.

2018Where an integration clause is included in an agreement, the four corners rule applies and extrinsic evidence is not admissible to interpret the agreement. *343 Eichengreen v. Rollins, Inc. , 325 Ill.

34
River's Edge Homeowners' Ass'n v. City of Napervillegreen
illappct · 2004 · cited in 3 Illinois opinions naming this issue, 2013–2021
2 sentences

2013The court declined “to rule on whether the provisional admission approach may be applied to interpret a contract which does not contain an integration clause until such a case is squarely before the court.” Id. at 464 n.1. ¶ 24 Although such a case has yet to come squarely before the supreme court, it did come before this court in River’s Edge Homeowners’ Ass’n, 353 Ill.

2013The court declined “to rule on whether the provisional admission approach may be applied to interpret a contract which does not contain an integration clause until such a case is squarely before the court.” Id. at 464 n.1. ¶ 24 Although such a case has yet to come squarely before the supreme court, it did come before this court in River’s Edge Homeowners’ Ass’n, 353 Ill.

33
Tirapelli v. Advanced Equities, Inc.green
illappct · 2004 · cited in 6 Illinois opinions naming this issue, 2005–2012
2 sentences

2005The subscription agreement also contained an integration clause stating that “ ‘[t]he Subscription Documents constitute the entire agreement among the parties *** and may be amended only by a written execution of all parties.’ ” Tirapelli, 351 Ill.

2005The subscription agreement also contained an integration clause stating that "`[t]he Subscription Documents constitute the entire agreement among the parties * * * and may be amended only by a written execution of all parties.'" Tirapelli, 351 Ill.App.3d at 453 , 286 Ill.Dec. 445 , 813 N.E.2d 1138 .

26
Vigortone Ag Products, Inc., Formerly Known as Provimi Acquisition Corporation v. Pm Ag Products, Inc., Cross-Appelleegreen
ca7 · 2003 · cited in 4 Illinois opinions naming this issue, 2004–2005
2 sentences

2005Vigortone, 316 F.3d at 644 .

2005Vigortone, 316 F.3d at 644 .

24
Asset Recovery Contracting, LLC v. Walsh Construction Company of Illinoisgreen
illappct · 2012 · cited in 2 Illinois opinions naming this issue, 2014–2015
2 sentences

2015See Asset Recovery Contracting, LLC v. Walsh Construction Co. of Illinois, 2012 IL App (1st) 101226 (where contract ambiguous, extrinsic evidence used to interpret contract despite presence of integration clause).

2014See Asset Recover Contracting., LLC v. Walsh Construction Co. of Illinois, 2012 IL App (1st) 101226 (where contract ambiguous, extrinsic evidence used to interpret contract despite presence of integration clause).

22
CARO EX REL. STATE v. Blagojevichgreen
illappct · 2008 · cited in 2 Illinois opinions naming this issue, 2011–2011
2 sentences

2011See, e.g., Caro v. Blagojevich, 385 Ill.

2011See, e.g., Caro v. Blagojevich, 385 Ill.

22
Cognitest Corporation, a California Corporation, and Cognitest Limited, an Israeli Corporation v. Riverside Publishing Company, a Delaware Corporationgreen
ca7 · 1997 · cited in 2 Illinois opinions naming this issue, 2006–2006
2 sentences

2006See CogniTest Corp. v. Riverside Publishing Co., 107 F.3d 493, 498 (7th Cir. 1997) (considering the contract language allowing the retention of outstanding advances if the agreement terminated prior to publication, in addition to a provision precluding a broad range of potential damages and the contract’s integration clause, the court concluded that the retention remedy was intended to be exclusive).

2006See CogniTest Corp. v. Riverside Publishing Co., 107 F.3d 493, 498 (7th Cir.1997) (considering the contract language allowing the retention of outstanding advances if the agreement terminated prior to publication, in addition to a provision precluding a broad *55 range of potential damages and the contract's integration clause, the court concluded that the retention remedy was intended to be exclusive).

22
Wright v. Chicago Title Insurance Co.green
illappct · 1990 · cited in 2 Illinois opinions naming this issue, 2018–2018
2 sentences

2018Chicago Cab’s argument would render meaningless the policy’s monthly endorsements that identify when coverage begins and ends for any of the swapped taxis. “[A] court will not rewrite a contract to suit one of the parties, but will enforce the terms as written. [Citation.] There is a strong presumption against provisions that easily could have been included in the contract but were not.” Wright v. Chicago Title Insurance Co., 196 Ill.

2018Chicago Cab's argument would render meaningless the policy's monthly endorsements that identify when coverage begins and ends for any of the swapped taxis. "[A] court will not rewrite a contract to suit one of the parties, but will enforce the terms as written. [Citation.] There is a strong presumption against provisions that easily could have been included in the contract but were not." Wright v. Chicago Title Insurance Co. , 196 Ill.

12
Midwest Builder Distributing, Inc. v. Lord and Essex, Inc.green
illappct · 2007 · cited in 1 Illinois opinions naming this issue, 2025–2025
1 sentence

2025Learco’s attempts to parse Mr. Comacchio’s obligations to the Company and his performance as an executive chef fails. ¶ 24 Learco directs us to cases holding that a separate oral agreement may be enforceable even in the face of a written contract with an integration clause if it is “so far a separate and distinct matter as to be capable of existence as an independent legal act.” Midwest Builder Distributing, Inc. v. Lord & Essex, Inc., 383 Ill.

11
J&B Steel Contractors, Inc. v. C. Iber & Sons, Inc.green
ill · 1994 · cited in 1 Illinois opinions naming this issue, 2023–2023
1 sentence

2023Iber & Sons, Inc., 162 Ill. 2d 265, 275 (1994) (where contract was silent as to completion date, circumstances including the absence of an integration clause demonstrated that the contract did not represent entire agreement of the parties).

11
Smith v. Interstate Fire & Casualty Co.green
illappct · 1977 · cited in 1 Illinois opinions naming this issue, 2022–2022
1 sentence

2022In Smith v. Interstate Fire & Casualty Co., 47 Ill.

11
Reichert v. Board of Fire & Police Commissionersgreen
illappct · 2009 · cited in 1 Illinois opinions naming this issue, 2019–2019
1 sentence

2019Reichert v. Board of Fire & Police Commissioners, 388 Ill.

11
W.W. Vincent & Co. v. First Colony Life Insurancegreen
illappct · 2004 · cited in 1 Illinois opinions naming this issue, 2015–2015
1 sentence

2015Vincent & Co. v. First Colony Life Insurance Co., 351 Ill.

11
Lee v. Allstate Life Insurancegreen
illappct · 2005 · cited in 1 Illinois opinions naming this issue, 2013–2013
1 sentence

2013Please refer to your State Farm Car Policy for the terms and conditions of coverage.” -9- We have determined that the policy terms are facially unambiguous, and we choose not effectively nullify the foregoing integration clause in an attempt to find a latent ambiguity in the policy terms. “[E]xtrinsic evidence is admissible to explain the meaning of words in a contract only when there is an ambiguity or the words are suspectible of different interpretations.” Lee v. Allstate Life Insurance Co., 361 Ill.

11
PHARMERICA CHICAGO, INC. v. Meiselsgreen
ilnd · 2011 · cited in 1 Illinois opinions naming this issue, 2012–2012
1 sentence

2012See PharMerica Chicago, Inc., 772 F. Supp. 2d at 953 . ¶ 33 Plaintiff Schrager argues that affirming the circuit court’s decision on the basis of the integration/nonreliance clause will allow the defendants to profit by their own wrongdoing, which is contrary to a core principle of our system of justice.

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 (11)

CaseCitedYears
In re Illinois Bell Link-Up II & Late Charge Litigation green
illappct · 2013
2 sentences

2018The marketing agreement provided, as part of plaintiff’s duties, that plaintiff would “file and secure approval of all policy, certificate, application and related forms” and “assure that the policies, certificates and related forms comply with all applicable state and federal laws, and regulations.” The marketing agreement also contained an integration clause providing that “[t]his Agreement may be amended, altered or modified only in writing signed by both parties.” Thus, we cannot find that it was against the manifest weight of the evidence for the trial court to find that any oral discussi

2017The marketing agreement provided, as part of plaintiff's duties, that plaintiff would "file and secure approval of all policy, certificate, application and related forms" and "assure that the policies, certificates and related forms comply with all applicable state and federal laws, and regulations." The marketing agreement also contained an integration clause providing that "[t]his Agreement may be amended, altered or modified only in writing signed by both parties." Thus, we cannot find that it was against the manifest weight of the evidence for the trial court to find that any oral discussi

22017–2018
L.D.S. v. Southern Cross Food green
illappct · 2011
2 sentences

2014In L.D.S., LLC, the lease identified the parties to the lease as L.D.S. and Southern Cross, and the integration clause provided that the lease contract " 'contains all of the agreements of the parties hereto' (emphasis added)." L.D.S., LLC, 2011 IL App (1st) 102379, ¶ 32 .

2014The reviewing court determined that the "plain language of the integration clause is limited to agreements of the parties." Because the guarantor was not listed as a party to the lease, "the integration clause does not speak to any agreements made between him and either L.D.S. or Southern Cross." L.D.S., LLC, 2011 IL App (1st) 102379, ¶ 32 . ¶ 61 In the present case, the 2005 credit agreement provided that it was between Chase Bank and East-West.

22014–2014
Benedict v. Federal Kemper Life Assurance Co. green
illappct · 2001
2 sentences

2004In reaching this decision, we note that Lincoln National's reliance upon Air Safety, Inc. , 185 Ill. 2d 457 , 706 N.E.2d 882 , and Benedict v. Federal Kemper Life Insurance Co. , 325 Ill.

2004In reaching this decision, we note that Lincoln National’s reliance upon Air Safety, Inc., 185 Ill. 2d 457 , 706 N.E.2d 882 , and Benedict v. Federal Kemper Life Assurance Co., 325 Ill.

22004–2004
Greggs USA, Inc. v. 400 East Professional Associates, LP green
illappct · 2021
1 sentence

2025Greggs USA, Inc. v. 400 East Professional Associates, LP, 2021 IL App (1st) 200959, ¶ 13 .

12025–2025
Walworth Investments-LG, LLC v. Mu Sigma, Inc. green
ill · 2022
1 sentence

2024The Walworth agreement included the following integration language: “This Agreement contains the complete agreement and understanding between the parties as to the subject matter covered hereby and supersedes any prior understandings, agreements or representations by or between the parties, written or oral, which may have - 18 - 1-23-2291 related to the subject matter hereof in any way.” Walworth, 2022 IL 127177, ¶ 14 . ¶ 44 Orange Pelican’s integration clause was even more robust than the above.

12024–2024
Prairie Capital III, L.P. v. Double E Holding Corp. green
delch · 2015
1 sentence

2022“A claim of fraud based on active concealment does not require a showing that the defendant had a pre-existing duty to speak.” TransDigm, 2013 WL 2326881 , at *6. ¶ 63 In Prairie Capital, the Delaware Court of Chancery held that a stock purchase agreement’s provision, providing that the buyer relied only on representations and warranties in the agreement, in combination with the agreement’s integration clause providing that the agreement superseded all prior agreements, foreclosed claims of fraud based on extracontractual misrepresentations. 132 A.3d at 50 .

12022–2022
In re Marriage of Lewin green
illappct · 2018
2 sentences

2020“Where an integration clause is included in an agreement, the four corners rule applies and extrinsic evidence is not admissible to interpret the agreement.” In re Marriage of Lewin, 2018 IL App (3d) 170175 , ¶ 13, citing Eichengreen v. Rollins, Inc., 325 Ill.

2020“Where an integration clause is included in an agreement, the four corners rule applies and extrinsic evidence is not admissible to interpret the agreement.” In re Marriage of Lewin, 2018 IL App (3d) 170175 , ¶ 13, citing Eichengreen v. Rollins, Inc., 325 Ill.

12020–2020
Visvardis v. Ferleger green
illappct · 2007
1 sentence

2018App. 3d 719 , 724, 313 Ill.Dec. 812 , 873 N.E.2d 436 (2007). ¶ 13 An integration clause is designed to bind the parties to the terms of their written agreement.

12018–2018
Main Bank of Chicago v. Baker green
ill · 1981
2 sentences

2010Thus, the facts here are distinguishable from Main Bank v. Baker, 86 Ill. 2d 188 , 427 N.E.2d 94 (1981) (consideration of oral agreement barred by parol evidence rule where the lease contained an integration clause).

2010Thus, the facts here are distinguishable from Main Bank v. Baker, 86 Ill. 2d 188 , 427 N.E.2d 94 (1981) (consideration of oral agreement barred by parol evidence rule where the lease contained an integration clause).

12010–2010
Kennedy v. Commercial Carriers, Inc. green
ilnd · 1990
1 sentence

1994(See Kennedy, 739 F. Supp. at 411 n.6.) Moreover, the integration clause fails to demonstrate a clear intention by the parties to submit lease disputes to arbitration.

11994–1994
Baker, Bourgeois & Associates, Inc. v. Taylor green
illappct · 1980
1 sentence

1981In a letter on Main Bank stationery dated November 26, 1973, Taylor, as chairman of the board of MAS, notified BB&A that the management agreement would be terminated by MAS as of November 30 because BB&A had “been for some time in default in the performance of the contract in several substantial and serious areas.” The record is unclear as to the nature of the “default,” but in an affidavit referred to by the appellate court in a related suit by Baker on that agreement (Baker, Bourgeois & Associates, Inc. v. Taylor (1980), 84 Ill.

11981–1981

Statutes the citing opinions construe

IL § 735 ILCS 5/2-1005 (18) IL § 735 ILCS 5/2-615 (16) IL § 735 ILCS 5/2-619 (10) IL § 815 ILCS 505/1 (4) IL § 735 ILCS 5/2-613 (3)

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

PA 102 (1974–2026) CA 93 (1951–2026) IL 59 (1981–2025) DE 50 (2003–2026) OH 42 (1995–2026) IN 37 (1986–2025) MI 35 (1998–2026) MA 31 (1979–2025) WA 28 (1969–2024) NY 26 (1982–2024) IA 21 (1981–2026) MD 20 (1949–2025) VA 20 (1964–2024) UT 20 (1988–2026) TX 20 (1992–2025) FL 15 (1959–2016) OR 15 (1978–2022) WI 11 (1943–2026) NC 10 (1991–2026) MN 9 (1961–2015) ME 8 (1985–2019) AL 8 (1985–2018) AZ 8 (1987–2026) DC 8 (1992–2025) SC 7 (1988–2011) CO 6 (1991–2025) NM 6 (1963–2024) MO 6 (1998–2023) TN 6 (2012–2026) NV 5 (1986–2021) MT 5 (1984–1994) GA 4 (2005–2023) NH 4 (1982–2006) NJ 4 (1990–2025) CT 4 (1997–2025) WY 4 (1978–2021) KS 4 (2006–2023) WV 2 (2010–2020) SD 2 (1959–2011) AK 2 (2003–2014) MS 2 (2000–2005)

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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