parol evidence rule (Wisconsin) · Go Syfert
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parol evidence rule in Wisconsin

31 Wisconsin opinions name it 2 courts 1934–2023 3 in the last five years

The cases below were cited by Wisconsin 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 (14)

CaseFollowedCited
Bank of Sun Prairie v. Essergreen
wis · 1990 · cited in 4 Wisconsin opinions naming this issue, 1993–2023
2 sentences

2023Here, because Nancy and Tim seek to void the contract, rather than enforce it, the parol evidence rule is irrelevant.” See Bank of Sun Prairie v. Esser, 155 Wis. 2d 724, 731 , 456 N.W.2d 585 (1990) (“The parol evidence rule does not exclude evidence to show misrepresentation as a ground for avoidance of the contract.”); Peterson v. Cornerstone Prop.

2023Here, because Nancy and Tim seek to void the contract, rather than enforce it, the parol evidence rule is irrelevant.” See Bank of Sun Prairie v. Esser, 155 Wis. 2d 724, 731 , 456 N.W.2d 585 (1990) (“The parol evidence rule does not exclude evidence to show misrepresentation as a ground for avoidance of the contract.”); Peterson v. Cornerstone Prop.

34
Town Bank v. City Real Estate Development, LLCgreen
wis · 2010 · cited in 3 Wisconsin opinions naming this issue, 2020–2023
2 sentences

2021Further, the parol evidence rule has been summarized as follows: “When the parties to a contract embody their agreement in writing and intend the writing to be the final expression of their agreement, the terms of the writing may not be varied or contradicted by evidence of any prior written or oral agreement in the absence of fraud, duress, or mutual mistake.” Id., ¶36 (quoting Dairyland Equip.

2020See Town Bank, 330 Wis. 2d 340, ¶39 (parol evidence may not be used to vary the terms of an unambiguous written contract); Conrad Milwaukee Corp. v. Wasilewski, 30 Wis. 2d 481, 487-88 , 141 N.W.2d 240 (1966) (if the contract language is unambiguous, any evidence that would change the terms of the contract violates the parol evidence rule; to be admissible, the evidence “must clarify an existing ambiguity and cannot establish an understanding in variance with the terms of the written document”).

23
Bunbury v. Kraussgreen
wis · 1969 · cited in 3 Wisconsin opinions naming this issue, 1977–1979
2 sentences

1979In Bunbury, 41 Wis.2d 522, 529 , the court noted that “the parol evidence rule . . . implies the existence of a written contract expressing the intent of the parties without any question of fraud or mistake, and to which the parties assent as a complete integration of their understanding.” The court quoted with approval 3 Corbin, Contracts sec. 573, at 357 (1960), to the effect that in determining whether a contract has been entered into “ ‘there is no “parole evidence rule” to be applied.’ ” On this issue, “ ‘no relevant evidence, whether parol or otherwise, is excluded.’ ” 41 Wis.2d 522, 529

1979In Bunbury, 41 Wis.2d 522, 529 , the court noted that “the parol evidence rule . . . implies the existence of a written contract expressing the intent of the parties without any question of fraud or mistake, and to which the parties assent as a complete integration of their understanding.” The court quoted with approval 3 Corbin, Contracts sec. 573, at 357 (1960), to the effect that in determining whether a contract has been entered into “ ‘there is no “parole evidence rule” to be applied.’ ” On this issue, “ ‘no relevant evidence, whether parol or otherwise, is excluded.’ ” 41 Wis.2d 522, 529

13
Gross v. Hoffmangreen
wis · 1938 · cited in 1 Wisconsin opinions naming this issue, 2023–2023
2 sentences

2023See Gross v. Hoffman, 227 Wis. 296, 300 , 277 N.W. 663 (1938) (only dispositive issues need be addressed). 7 No. 2022AP1616-FT agreement … depends upon the parties’ expression of intention.” Goossen v. Estate of Standaert, 189 Wis. 2d 237, 246 , 525 N.W.2d 314 (Ct. App. 1994). ¶14 The parol evidence rule bars the use of extrinsic evidence of prior written or oral agreements to contradict the terms of a contract “[w]hen the parties to a contract embody their agreement in writing and intend the writing to be the final expression of their agreement.” Federal Deposit Ins.

2023See Gross v. Hoffman, 227 Wis. 296, 300 , 277 N.W. 663 (1938) (only dispositive issues need be addressed). 7 No. 2022AP1616-FT agreement … depends upon the parties’ expression of intention.” Goossen v. Estate of Standaert, 189 Wis. 2d 237, 246 , 525 N.W.2d 314 (Ct. App. 1994). ¶14 The parol evidence rule bars the use of extrinsic evidence of prior written or oral agreements to contradict the terms of a contract “[w]hen the parties to a contract embody their agreement in writing and intend the writing to be the final expression of their agreement.” Federal Deposit Ins.

11
Goossen v. Estate of Standaertgreen
wisctapp · 1994 · cited in 1 Wisconsin opinions naming this issue, 2023–2023
2 sentences

2023See Gross v. Hoffman, 227 Wis. 296, 300 , 277 N.W. 663 (1938) (only dispositive issues need be addressed). 7 No. 2022AP1616-FT agreement … depends upon the parties’ expression of intention.” Goossen v. Estate of Standaert, 189 Wis. 2d 237, 246 , 525 N.W.2d 314 (Ct. App. 1994). ¶14 The parol evidence rule bars the use of extrinsic evidence of prior written or oral agreements to contradict the terms of a contract “[w]hen the parties to a contract embody their agreement in writing and intend the writing to be the final expression of their agreement.” Federal Deposit Ins.

2023See Gross v. Hoffman, 227 Wis. 296, 300 , 277 N.W. 663 (1938) (only dispositive issues need be addressed). 7 No. 2022AP1616-FT agreement … depends upon the parties’ expression of intention.” Goossen v. Estate of Standaert, 189 Wis. 2d 237, 246 , 525 N.W.2d 314 (Ct. App. 1994). ¶14 The parol evidence rule bars the use of extrinsic evidence of prior written or oral agreements to contradict the terms of a contract “[w]hen the parties to a contract embody their agreement in writing and intend the writing to be the final expression of their agreement.” Federal Deposit Ins.

11
Peterson v. Cornerstone Property Development, LLCgreen
wisctapp · 2006 · cited in 1 Wisconsin opinions naming this issue, 2023–2023
2 sentences

2023Dev., LLC, 2006 WI App 132, ¶31 , 294 Wis. 2d 800 , 720 N.W.2d 716 (“In conjunction with the parol evidence rule, an integration clause generally bars the introduction of extrinsic evidence to ‘vary or contradict 14 No. 2020AP1937 the terms of a writing.’ Absent claims of duress, fraud, or mutual mistake, integration clauses are given effect.” (footnote and citation omitted)); see also Grube v. Daun, 173 Wis. 2d 30, 59-60 , 496 N.W.2d 106 (Ct. App. 1992), overruled on other grounds by Marks v. Houston Cas.

2023Dev., LLC, 2006 WI App 132, ¶31 , 294 Wis. 2d 800 , 720 N.W.2d 716 (“In conjunction with the parol evidence rule, an integration clause generally bars the introduction of extrinsic evidence to ‘vary or contradict 14 No. 2020AP1937 the terms of a writing.’ Absent claims of duress, fraud, or mutual mistake, integration clauses are given effect.” (footnote and citation omitted)); see also Grube v. Daun, 173 Wis. 2d 30, 59-60 , 496 N.W.2d 106 (Ct. App. 1992), overruled on other grounds by Marks v. Houston Cas.

11
Extra Equipamentos E Exportaçáo Ltda. v. Case Corp.green
ca7 · 2008 · cited in 1 Wisconsin opinions naming this issue, 2023–2023
1 sentence

2023STAT. § 100.18 claim, that “three different provisions [in the contract] expressed 15 No. 2020AP1937 that all prior negotiations were excluded” and that the “[s]eller has made no representations other than written in this offer” and therefore the provisions “disclaim[ed] the purchaser’s right to rely on any alleged fraudulent misrepresentations”); see also Extra Equip., 541 F.3d at 723-24 (explaining that “[t]he parol evidence rule is a rule of contract law” and where “the claim of fraud is based on statements made in a negotiation that resulted in a contract … a suit for fraud can be a device

11
Grube v. Daungreen
wisctapp · 1992 · cited in 1 Wisconsin opinions naming this issue, 2023–2023
2 sentences

2023Dev., LLC, 2006 WI App 132, ¶31 , 294 Wis. 2d 800 , 720 N.W.2d 716 (“In conjunction with the parol evidence rule, an integration clause generally bars the introduction of extrinsic evidence to ‘vary or contradict 14 No. 2020AP1937 the terms of a writing.’ Absent claims of duress, fraud, or mutual mistake, integration clauses are given effect.” (footnote and citation omitted)); see also Grube v. Daun, 173 Wis. 2d 30, 59-60 , 496 N.W.2d 106 (Ct. App. 1992), overruled on other grounds by Marks v. Houston Cas.

2023Dev., LLC, 2006 WI App 132, ¶31 , 294 Wis. 2d 800 , 720 N.W.2d 716 (“In conjunction with the parol evidence rule, an integration clause generally bars the introduction of extrinsic evidence to ‘vary or contradict 14 No. 2020AP1937 the terms of a writing.’ Absent claims of duress, fraud, or mutual mistake, integration clauses are given effect.” (footnote and citation omitted)); see also Grube v. Daun, 173 Wis. 2d 30, 59-60 , 496 N.W.2d 106 (Ct. App. 1992), overruled on other grounds by Marks v. Houston Cas.

11
Chandelle Enterprises, LLC v. XLNT Dairy Farm, Inc.green
wisctapp · 2005 · cited in 1 Wisconsin opinions naming this issue, 2007–2007
2 sentences

2007See Chandelle Enterprises, LLC v. XLNT Dairy Farm, Inc., 2005 WI App 110, ¶12 , 282 Wis. 2d 806 , 699 N.W.2d 241 , review denied , 2005 WI 150 , 286 Wis. 2d 100 , 705 N.W.2d 661 . ¶ 16 In an effort to avoid the parol evidence rule, HMC next argues that "the totality of the documents exchanged" demonstrates that the 2002 note was not fully integrated.

2007See Chandelle Enterprises, LLC v. XLNT Dairy Farm, Inc., 2005 WI App 110, ¶12 , 282 Wis. 2d 806 , 699 N.W.2d 241 , review denied , 2005 WI 150 , 286 Wis. 2d 100 , 705 N.W.2d 661 . ¶ 16 In an effort to avoid the parol evidence rule, HMC next argues that "the totality of the documents exchanged" demonstrates that the 2002 note was not fully integrated.

11
Arnold v. Shawano County Agricultural Societygreen
wisctapp · 1982 · cited in 1 Wisconsin opinions naming this issue, 1987–1987
2 sentences

1987Society, 106 Wis. 2d 464, 469-70 , 317 N.W.2d 161, 164 (Ct. App. 1982) aff’d, 111 Wis. 2d 203 , 330 N.W.2d 773 (1983), the parol evidence rule prohibits a trial court from inquiring into the intent of parties to an unambiguous written agreement.

1987Society, 106 Wis. 2d 464, 469-70 , 317 N.W.2d 161, 164 (Ct. App. 1982) aff’d, 111 Wis. 2d 203 , 330 N.W.2d 773 (1983), the parol evidence rule prohibits a trial court from inquiring into the intent of parties to an unambiguous written agreement.

11
Loy v. Bundersongreen
wisctapp · 1981 · cited in 1 Wisconsin opinions naming this issue, 1987–1987
2 sentences

1987Loy v. Bunderson, 101 Wis. 2d 215, 222 , 304 N.W.2d 140, 144 (Ct. App. 1981), rev’d on other grounds, 107 Wis. 2d 400 , 320 N.W.2d 175 (1982).

1987Loy v. Bunderson, 101 Wis. 2d 215, 222 , 304 N.W.2d 140, 144 (Ct. App. 1981), rev’d on other grounds, 107 Wis. 2d 400 , 320 N.W.2d 175 (1982).

11
Kavon Enterprises, Inc. v. American Universal Insurancegreen
wis · 1976 · cited in 1 Wisconsin opinions naming this issue, 1977–1977
11
Gulf States Finance Corp. v. Airline Auto Sales Inc.green
la · 1965 · cited in 1 Wisconsin opinions naming this issue, 1977–1977
11
Michael Schiavone & Sons, Inc. v. Securalloy Companygreen
ctd · 1970 · cited in 1 Wisconsin opinions naming this issue, 1977–1977
2 sentences

1977The section abolishes the presumption, apparently relied on to some extent by the majority, that the writing is automatically the total and final expression of the parties' agreement. [4] Michael Schiavone & Sons, Inc. v. *558 Securalloy Co., Inc., 312 F. Supp, 801, 804 (D.

1977The section abolishes the presumption, apparently relied on to some extent by the majority, that the writing is automatically the total and final expression of the parties’ agreement. 4 Michael Schiavone & Sons, Inc. v. Securalloy Co., Inc., 312 F. Supp, 801, 804 (D.

11

Distinguished, questioned or overruled (0)

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

Also cited on this issue (36)

CaseCitedYears
Federal Deposit Insurance v. First Mortgage Investors green
wis · 1977
2 sentences

2009As CRED argues on appeal, "[t]he real question when a party invokes the parol evidence rule is whether the parties intended the written agreement to be final and complete or 'integrated' or *218 whether they intended any prior agreements to be part of their total agreement." See id. at 157 . ¶ 12.

1980The parol evidence rule can be stated as follows: *607 “When the parties to a contract embody their agreement in writing and intend the writing to be the final expression of their agreement, the terms of the writing may not be varied or contradicted by evidence of any prior written or oral agreement in the absence of fraud, duress, or mutual mistake.” Federal Deposit Insurance Corp. v. First Mortgage Investors, 76 Wis.2d 151, 156 , 250 N.W.2d 362 (1977).

41978–2010
Morn v. Schalk green
wis · 1961
2 sentences

1977In cases where the writing is incomplete in that only part of the agreement has been reduced to writing, this court has recognized the doctrine of “partial integration,” that is the parties reduced some provisions to written form and left others unwritten. “[W]hen a writing is shown to be only a partial integration of the agreement reached by the parties, it is proper to consider parol evidence which establishes the full agreement, subject to the limitation that such parol evidence does not conflict with the part that has been integrated in writing.” Morn v. Schalk, 14 Wis.2d 307, 314 , 111 N.

1977In cases where the writing is incomplete in that only part of the agreement has been reduced to writing, this court has recognized the doctrine of “partial integration,” that is the parties reduced some provisions to written form and left others unwritten. “[W]hen a writing is shown to be only a partial integration of the agreement reached by the parties, it is proper to consider parol evidence which establishes the full agreement, subject to the limitation that such parol evidence does not conflict with the part that has been integrated in writing.” Morn v. Schalk, 14 Wis.2d 307, 314 , 111 N.

41962–1977
Dairyland Equipment Leasing, Inc. v. Bohen green
wis · 1980
2 sentences

2021Leasing, Inc. v. Bohen, 94 Wis. 2d 600, 607 , 288 N.W.2d 852 (1980).

2021Leasing, Inc. v. Bohen, 94 Wis. 2d 600, 607 , 288 N.W.2d 852 (1980).

31987–2021
Conrad Milwaukee Corp. v. Wasilewski green
wis · 1966
2 sentences

2020See Town Bank, 330 Wis. 2d 340, ¶39 (parol evidence may not be used to vary the terms of an unambiguous written contract); Conrad Milwaukee Corp. v. Wasilewski, 30 Wis. 2d 481, 487-88 , 141 N.W.2d 240 (1966) (if the contract language is unambiguous, any evidence that would change the terms of the contract violates the parol evidence rule; to be admissible, the evidence “must clarify an existing ambiguity and cannot establish an understanding in variance with the terms of the written document”).

2020See Town Bank, 330 Wis. 2d 340, ¶39 (parol evidence may not be used to vary the terms of an unambiguous written contract); Conrad Milwaukee Corp. v. Wasilewski, 30 Wis. 2d 481, 487-88 , 141 N.W.2d 240 (1966) (if the contract language is unambiguous, any evidence that would change the terms of the contract violates the parol evidence rule; to be admissible, the evidence “must clarify an existing ambiguity and cannot establish an understanding in variance with the terms of the written document”).

31966–2020
Johnson Hill's Press, Inc. v. Nasco Industries, Inc. green
wis · 1967
2 sentences

1977The Federal Deposit, Bunbury and Johnson Hill’s Press Cases’ ( 33 Wis.2d 545 , 148 N.W.2d 9 (1967)), interpretation and application of the parol evidence rule are supported by sec. 402.202, Stats., Wisconsin’s enactment of the Uniform Commercial Code parol evidence rule in sales transactions. 3 While the Code section applies to a sales transaction, there is support for its application in other areas of the law.

1977The Federal Deposit, Bunbury and Johnson Hill’s Press Cases’ ( 33 Wis.2d 545 , 148 N.W.2d 9 (1967)), interpretation and application of the parol evidence rule are supported by sec. 402.202, Stats., Wisconsin’s enactment of the Uniform Commercial Code parol evidence rule in sales transactions. 3 While the Code section applies to a sales transaction, there is support for its application in other areas of the law.

21977–1977
David M. Marks v. Houston Casualty Company green
wis · 2016
2 sentences

2023Co., 2016 WI 53, ¶75 , 369 Wis. 2d 547 , 881 N.W.2d 309 (“Wisconsin follows the general rule that integration clauses which negate the existence of any representations not incorporated into the contract may not be used to escape liability for the misrepresentations.”). ¶30 Pat and Lori argue, however, that the circuit court “did not apply or address the parol evidence rule in its [o]rder, so the corresponding accusation of error is unfounded and inappropriate.” To be clear, while the court did not specifically reference the “parol evidence rule” in its oral ruling or written order, it did incl

2023Co., 2016 WI 53, ¶75 , 369 Wis. 2d 547 , 881 N.W.2d 309 (“Wisconsin follows the general rule that integration clauses which negate the existence of any representations not incorporated into the contract may not be used to escape liability for the misrepresentations.”). ¶30 Pat and Lori argue, however, that the circuit court “did not apply or address the parol evidence rule in its [o]rder, so the corresponding accusation of error is unfounded and inappropriate.” To be clear, while the court did not specifically reference the “parol evidence rule” in its oral ruling or written order, it did incl

12023–2023
Hammel v. Ziegler Financing Corp. green
wisctapp · 1983
2 sentences

2020Corp., 113 Wis. 2d 73 , 80- 82, 334 N.W.2d 913 (Ct. App. 1983). ¶14 We cannot consider evidence of Habel’s alleged forbearance on Capelli’s antecedent debt because those circumstances are not laid out in the agreement and are therefore evidence extrinsic to a complete and final agreement, i.e., those circumstances are barred from our review by the parol evidence rule.

2020Corp., 113 Wis. 2d 73 , 80- 82, 334 N.W.2d 913 (Ct. App. 1983). ¶14 We cannot consider evidence of Habel’s alleged forbearance on Capelli’s antecedent debt because those circumstances are not laid out in the agreement and are therefore evidence extrinsic to a complete and final agreement, i.e., those circumstances are barred from our review by the parol evidence rule.

12020–2020
Mitchell Bank v. Schanke green
wis · 2004
2 sentences

2007However, as Ingram points out, no ambiguity exists on the face of the document itself and the parol evidence rule "prohibits a ... court from inquiring into the intent of parties to an unambiguous written agreement." Mitchell Bank v. Schanke, 2004 WI 13, ¶46 , 268 Wis. 2d 571 , 676 N.W.2d 849 (citation omitted).

2007However, as Ingram points out, no ambiguity exists on the face of the document itself and the parol evidence rule "prohibits a ... court from inquiring into the intent of parties to an unambiguous written agreement." Mitchell Bank v. Schanke, 2004 WI 13, ¶46 , 268 Wis. 2d 571 , 676 N.W.2d 849 (citation omitted).

12007–2007
Kohlenberg v. American Plumbing Supply Co. green
wis · 1978
2 sentences

2007Further, "in the absence of an agreement to the contrary[,] a maker of an installment promissory note does not have the right to prepay the amount owed." Kohlenberg v. American Plumbing Supply Co., 82 Wis. 2d 384, 397 , 263 N.W.2d 496 (1978) (citation omitted). ¶ 14 Here, the promissory note is silent with respect to prepayment, and Ingram argues that basic principles of contract construction, together with the rule in Kohlenberg and the parol evidence rule, all lead to the inexorable conclusion that HMC has no right to prepay.

2007Further, "in the absence of an agreement to the contrary[,] a maker of an installment promissory note does not have the right to prepay the amount owed." Kohlenberg v. American Plumbing Supply Co., 82 Wis. 2d 384, 397 , 263 N.W.2d 496 (1978) (citation omitted). ¶ 14 Here, the promissory note is silent with respect to prepayment, and Ingram argues that basic principles of contract construction, together with the rule in Kohlenberg and the parol evidence rule, all lead to the inexorable conclusion that HMC has no right to prepay.

12007–2007
Ziegler Co., Inc. v. Rexnord, Inc. green
wis · 1987
1 sentence

2006In conjunction with the parol evidence rule, 8 an integration clause generally bars the introduction of extrinsic evidence to "vary or contradict the terms of a writing." Ziegler Co. v. Rexnord, Inc., 139 *818 Wis. 2d 593, 608-09 n.11, 407 N.W.2d 873 (1987).

12006–2006
Schmitz v. Grudzinski green
wisctapp · 1987
2 sentences

2004"While intent is a factual matter, . . . the parol evidence rule prohibits a trial court from inquiring into the intent of parties to an unambiguous written agreement." Schmitz v. Grudzinski, 141 Wis. 2d 867 , 872 n.4, 416 N.W.2d 639 (Ct. App. 1987) (internal citations omitted). 18 "Whether a contract is ambiguous is ... a question of law which we review de novo." Id. at 871.

2004"While intent is a factual matter, . . . the parol evidence rule prohibits a trial court from inquiring into the intent of parties to an unambiguous written agreement." Schmitz v. Grudzinski, 141 Wis. 2d 867 , 872 n.4, 416 N.W.2d 639 (Ct. App. 1987) (internal citations omitted). 18 "Whether a contract is ambiguous is ... a question of law which we review de novo." Id. at 871.

12004–2004
Harold L. Bushendorf v. Freightliner Corporation green
ca7 · 1994
1 sentence

1994The motor vehicle purchase contract voided all oral representations unless reduced to writing: "No oral representations are binding unless written on this form and all terms of the agreement are printed or written herein." As stated in Bushendorf, 13 F.3d at 1027 , the salesperson's representation "was an oral warranty made in precontractual negotiation and not *445 repeated in the written contract — which contains an integration clause.

11994–1994
Loy v. Bunderson green
wis · 1982
2 sentences

1987Loy v. Bunderson, 101 Wis. 2d 215, 222 , 304 N.W.2d 140, 144 (Ct. App. 1981), rev’d on other grounds, 107 Wis. 2d 400 , 320 N.W.2d 175 (1982).

1987Loy v. Bunderson, 101 Wis. 2d 215, 222 , 304 N.W.2d 140, 144 (Ct. App. 1981), rev’d on other grounds, 107 Wis. 2d 400 , 320 N.W.2d 175 (1982).

11987–1987
Arnold v. Shawano County Agricultural Society green
wis · 1983
2 sentences

1987Society, 106 Wis. 2d 464, 469-70 , 317 N.W.2d 161, 164 (Ct. App. 1982) aff’d, 111 Wis. 2d 203 , 330 N.W.2d 773 (1983), the parol evidence rule prohibits a trial court from inquiring into the intent of parties to an unambiguous written agreement.

1987Society, 106 Wis. 2d 464, 469-70 , 317 N.W.2d 161, 164 (Ct. App. 1982) aff’d, 111 Wis. 2d 203 , 330 N.W.2d 773 (1983), the parol evidence rule prohibits a trial court from inquiring into the intent of parties to an unambiguous written agreement.

11987–1987
Production Credit Ass'n of Green Bay v. Rosner green
wis · 1977
2 sentences

1978This court recently stated the parol evidence rule in Production Credit Association v. Rosner, 78 Wis.2d 543, 547 , 255 N.W.2d 79 (1977), as follows: “ ‘When the parties to a contract embody their agreement in writing and intend the writing to be the final expression of their agreement, the terms of the writing *395 may not be varied or contradicted by evidence of, any prior written or oral agreement in the absence of fraud, duress or mutual mistake.’ ” The rule comes into operation generally when there is a single and final memorandum of the understanding of the parties: “The rule as applied

1978This court recently stated the parol evidence rule in Production Credit Association v. Rosner, 78 Wis.2d 543, 547 , 255 N.W.2d 79 (1977), as follows: “ ‘When the parties to a contract embody their agreement in writing and intend the writing to be the final expression of their agreement, the terms of the writing *395 may not be varied or contradicted by evidence of, any prior written or oral agreement in the absence of fraud, duress or mutual mistake.’ ” The rule comes into operation generally when there is a single and final memorandum of the understanding of the parties: “The rule as applied

11978–1978
Birsner v. Bolles green
calctapp · 1971
2 sentences

1977(Emphasis in original.) *162 Slightly different but no less applicable reasons supported the admission of parol evidence in Birsner v. Bolles, 20 Cal. App.3d 635 , 97 Cal. Rptr. 846 (1971), where the court observed: “The comment accompanying section 240(1) (b) of the Restatement (at p. 337) explains that although in most cases when parties incorporate an agreement in a writing, it is a reasonable assumption that everything included in the bargain is set down in writing, there are instances where it is so natural to make a separate agreement, frequently oral, in regard to the same subject matte

1977(Emphasis in original.) *162 Slightly different but no less applicable reasons supported the admission of parol evidence in Birsner v. Bolles, 20 Cal. App.3d 635 , 97 Cal. Rptr. 846 (1971), where the court observed: “The comment accompanying section 240(1) (b) of the Restatement (at p. 337) explains that although in most cases when parties incorporate an agreement in a writing, it is a reasonable assumption that everything included in the bargain is set down in writing, there are instances where it is so natural to make a separate agreement, frequently oral, in regard to the same subject matte

11977–1977
Scarne's Challenge, Inc. v. M. D. Orum Co. green
wis · 1954
2 sentences

1977Orum Co., 267 Wis. 134, 140-144 , 64 N.W.2d 836 (1954); 3 Corbin on Contracts, sec. 581 (1960); *158 9 Wigjnore on Evidence, sec. 2430 (3d ed. 1940); 4 Williston on Contracts, sec. 636, p. 1035 (3d ed. Jaeger 1961).

1977Orum Co., 267 Wis. 134, 140-144 , 64 N.W.2d 836 (1954); 3 Corbin on Contracts, sec. 581 (1960); *158 9 Wigjnore on Evidence, sec. 2430 (3d ed. 1940); 4 Williston on Contracts, sec. 636, p. 1035 (3d ed. Jaeger 1961).

11977–1977
Holytz v. City of Milwaukee red
wis · 1962
11977–1977
London & Lancashire Indemnity Co. v. Allen green
wis · 1956
11977–1977
Perry v. Riske green
wis · 1957
11977–1977
Conran v. Yager green
sc · 1975
2 sentences

1977Conran v. Yager, 263 S.C. 417 , 211 S.E.2d 228 (1975).

1977Conran v. Yager, 263 S.C. 417 , 211 S.E.2d 228 (1975).

11977–1977
August Brandt & Co. v. Verhagen green
wis · 1915
11966–1966
Firestone Tire & Rubber Co. v. Werner neutral
wis · 1931
11966–1966
Bank of Sheboygan v. Fessler green
wis · 1935
11965–1965
Seaman v. McNamara neutral
wis · 1923
11965–1965
Wheelwright v. Pure Milk Ass'n green
wis · 1932
11957–1957
Ernest v. Rich neutral
wis · 1932
11957–1957
Jones v. Brandt neutral
wis · 1921
11949–1949
Federal Truck & Motors Co. v. Tompkins neutral
ark · 1921
11943–1943
Rowe v. Emerson-Brantingham Implement Co. neutral
· 1921
11943–1943
White, Ward & Erwin v. Hager neutral
tex · 1923
11943–1943
Mono Irrigation Company v. State neutral
calctapp · 1916
11943–1943
J. I. Case Threshing MacHine Co. v. Copren Bros. green
calctapp · 1916
11943–1943
Beers v. Atlas Assurance Co. green
wis · 1934
11938–1938
Estate of Leedom v. Leedom neutral
wis · 1935
11938–1938
Derbeck v. Albright green
wis · 1925
11934–1934

Statutes the citing opinions construe

WI § Wis. Stat. § 802.08 (10) WI § Wis. Stat. § 808.10 (4) WI § Wis. Stat. § 100.18 (3) WI § Wis. Stat. § 402.202 (3) WI § Wis. Stat. § 814.04 (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

TX 601 (1916–2026) NY 399 (1906–2026) CA 342 (1922–2026) PA 301 (1921–2026) OH 234 (1937–2026) IL 153 (1877–2025) MO 143 (1909–2025) MI 126 (1938–2026) TN 118 (1932–2026) CT 115 (1930–2025) FL 111 (1928–2024) WA 108 (1916–2025) IA 96 (1916–2025) AZ 96 (1925–2025) NC 91 (1920–2026) GA 90 (1910–2025) OR 88 (1915–2021) VA 80 (1920–2025) AL 79 (1927–2018) LA 78 (1930–2018) MA 74 (1923–2026) MN 72 (1922–2025) IN 67 (1951–2020) UT 63 (1921–2026) AR 61 (1930–2024) MD 61 (1932–2025) SC 60 (1924–2025) NJ 59 (1926–2026) ND 53 (1926–2019) ID 49 (1978–2020) MT 48 (1920–2019) MS 47 (1922–2025) OK 47 (1924–2021) DE 46 (1954–2026) NE 46 (1921–2020) KS 46 (1914–2020) RI 42 (1951–2021) WY 41 (1926–2022) ME 38 (1928–2024) WV 35 (1922–2020) CO 35 (1924–2025) NM 34 (1933–2019) WI 31 (1934–2023) VT 29 (1916–2026) SD 26 (1929–2025) HI 25 (1962–2025) NV 21 (1957–2022) DC 20 (1950–2025) KY 19 (1935–2026) AK 18 (1971–2022) NH 16 (1948–2021) VI 3 (1988–2025)

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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