Chapter 904 — EVIDENCE — RELEVANCY AND ITS LIMITS
17 sections in this chapter.
Wis. Stat. § 904.01 Definition of “relevant evidence”
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904.01 Definition of “relevant evidence”. “Relevant evidence” means evidence having any tendency to make the existence of any fact that is of consequence to the determination of the action more probable or less probable than it would be without the evidence. History: Sup. Ct. Ord…
Wis. Stat. § 904.02 Relevant evidence generally admissible; irrelevant evidence inadmissible
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904.02 Relevant evidence generally admissible; irrelevant evidence inadmissible. All relevant evidence is admissible, except as otherwise provided by the constitutions of the United States and the state of Wisconsin, by statute, by these rules, or by other rules adopted by the su…
Wis. Stat. § 904.03 Exclusion of relevant evidence on grounds of prejudice, confusion, or waste of time
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904.03 Exclusion of relevant evidence on grounds of prejudice, confusion, or waste of time. Although relevant, evidence may be excluded if its probative value is substantially outweighed by the danger of unfair prejudice, confusion of the issues, or misleading the jury, or by con…
Wis. Stat. § 904.04 Character evidence not admissible to prove conduct; exceptions; other crimes
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904.04 Character evidence not admissible to prove conduct; exceptions; other crimes. (1) CHARACTER EVIDENCE GENERALLY. Evidence of a person’s character or a trait of the person’s character is not admissible for the purpose of proving that the person acted in conformity therewith …
Wis. Stat. § 904.05 Methods of proving character
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904.05 Methods of proving character. (1) REPUTATION OR OPINION. In all cases in which evidence of character or a trait of character of a person is admissible, proof may be made by testimony as to reputation or by testimony in the form of an opinion. On cross-examination, inquiry …
Wis. Stat. § 904.06 Habit; routine practice
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904.06 Habit; routine practice. (1) ADMISSIBILITY. Except as provided in s. 972.11 (2), evidence of the habit of a person or of the routine practice of an organization, whether corroborated or not and regardless of the presence of eyewitnesses, is relevant to prove that the condu…
Wis. Stat. § 904.07 Subsequent remedial measures
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904.07 Subsequent remedial measures. When, after an event, measures are taken which, if taken previously, would have made the event less likely to occur, evidence of the subsequent measures is not admissible to prove negligence or culpable conduct in connection with the event. Th…
Wis. Stat. § 904.08 Compromise and offers to compromise
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904.08 Compromise and offers to compromise. Evidence of furnishing or offering or promising to furnish, or accepting or offering or promising to accept, a valuable consideration in compromising or attempting to compromise a claim which was disputed as to either validity or amount…
Wis. Stat. § 904.085 Communications in mediation
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904.085 Communications in mediation. (1) PURPOSE. The purpose of this section is to encourage the candor and cooperation of disputing parties, to the end that disputes may be quickly, fairly and voluntarily settled. (2) DEFINITIONS. In this section: (a) “Mediation” means mediatio…
Wis. Stat. § 904.09 Payment of medical and similar expenses
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904.09 Payment of medical and similar expenses. Evidence of furnishing or offering or promising to pay medical, hospital, or similar expenses occasioned by an injury is not admissible to prove liability for the injury. History: Sup. Ct. Order, 59 Wis. 2d R1, R93 (1973).
Wis. Stat. § 904.10 Offer to plead guilty; no contest; withdrawn plea of guilty
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904.10 Offer to plead guilty; no contest; withdrawn plea of guilty. Evidence of a plea of guilty, later withdrawn, or a plea of no contest, or of an offer to the court or prosecuting attorney to plead guilty or no contest to the crime charged or any other crime, or in civil forfe…
Wis. Stat. § 904.11 Liability insurance
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904.11 Liability insurance. Evidence that a person was or was not insured against liability is not admissible upon the issue whether the person acted negligently or otherwise wrongfully. This section does not require the exclusion of evidence of insurance against liability when o…
Wis. Stat. § 904.12 Statement of injured; admissibility; copies
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904.12 Statement of injured; admissibility; copies. (1) In actions for damages caused by personal injury, no statement made or writing signed by the injured person within 72 hours of the time the injury happened or accident occurred, shall be received in evidence unless such evid…
Wis. Stat. § 904.13 Information concerning crime victims
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904.13 Information concerning crime victims. (1) In this section: (a) “Crime” has the meaning described in s. 950.02 (1m). (b) “Family member” has the meaning described in s. 950.02 (3). (c) “Victim” has the meaning described in s. 950.02 (4). (2) In any action or proceeding unde…
Wis. Stat. § 904.14 Inadmissibility of statement by health care provider of apology or condolence
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904.14 Inadmissibility of statement by health care provider of apology or condolence. (1) In this section: (a) “Health care provider” has the meaning given in s. 146.81 (1) and includes an ambulatory surgery center, an adult family home as defined in s. 50.01 (1), and a residenti…
Wis. Stat. § 904.15 Communication in farmer assistance programs
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904.15 Communication in farmer assistance programs. (1) Except as provided under sub. (2), no oral or written communication made in the course of providing or receiving advice or counseling under s. 93.51 or in providing or receiving assistance under s. 93.41 or 93.52 is admissib…
Wis. Stat. § 904.16 Health care reports
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904.16 Health care reports. (1) In this section: (a) “Health care provider” has the meaning given in s. 146.38 (1) (b). (b) “Regulatory agency” means the department of safety and May 22, 2026, are designated by NOTES. (Published 5-22-26) 7 Updated 23-24 Wis. Stats. EVIDENCE — REL…