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CHAPTER 804
CIVIL PROCEDURE — DEPOSITIONS AND DISCOVERY
804.01   General provisions governing discovery.
804.015   Limits on discovery by prisoners.
804.02   Perpetuation of testimony by deposition.
804.03   Persons before whom depositions may be taken.
804.04   Stipulations regarding discovery procedure.
804.05   Depositions upon oral examination.
804.06   Depositions upon written questions.
804.07   Use of depositions in court proceedings.
804.08   Interrogatories to parties.
804.09   Production of documents and things and entry upon land for inspection and other purposes.
804.10   Physical and mental examination of parties; inspection of medical documents.
804.11   Requests for admission.
804.12   Failure to make discovery; sanctions.
Ch. 804 Note NOTE: Chapter 804 was created by Sup. Ct. Order, 67 Wis. 2d 585, 654 (1975), which contains explanatory notes. Statutes prior to the 1983-84 edition also contain these notes.
804.01 804.01 General provisions governing discovery.
804.01(1)(1) Discovery methods. Parties may obtain discovery by one or more of the following methods: depositions upon oral examination or written questions; written interrogatories; production of documents or things or permission to enter upon land or other property, for inspection and other purposes; physical and mental examinations; and requests for admission. Unless the court orders otherwise under sub. (3), and except as provided in s. 804.015, the frequency of use of these methods is not limited.
804.01(2) (2)Scope of discovery. Except as provided in s. 20.931 (9), and unless otherwise limited by order of the court in accordance with the provisions of this chapter, the scope of discovery is as follows:
804.01(2)(a) (a) In general. Parties may obtain discovery regarding any matter, not privileged, which is relevant to the subject matter involved in the pending action, whether it relates to the claim or defense of the party seeking discovery or to the claim or defense of any other party, including the existence, description, nature, custody, condition and location of any books, documents, or other tangible things and the identity and location of persons having knowledge of any discoverable matter. It is not ground for objection that the information sought will be inadmissible at the trial if the information sought appears reasonably calculated to lead to the discovery of admissible evidence.
804.01(2)(b) (b) Insurance agreements. A party may obtain discovery of the existence and contents of any insurance agreement under which any person carrying on an insurance business may be liable to satisfy part or all of a judgment which may be entered in the action or to indemnify or reimburse for payments made to satisfy the judgment. Information concerning the insurance agreement is not by reason of disclosure admissible in evidence at trial.
804.01(2)(c) (c) Trial preparation: materials.
804.01(2)(c)1.1. Subject to par. (d) a party may obtain discovery of documents and tangible things otherwise discoverable under par. (a) and prepared in anticipation of litigation or for trial by or for another party or by or for that other party's representative (including an attorney, consultant, surety, indemnitor, insurer, or agent) only upon a showing that the party seeking discovery has substantial need of the materials in the preparation of the case and that the party seeking discovery is unable without undue hardship to obtain the substantial equivalent of the materials by other means. In ordering discovery of such materials when the required showing has been made, the court shall protect against disclosure of the mental impressions, conclusions, opinions, or legal theories of an attorney or other representative of a party concerning the litigation. This protection is forfeited as to any material disclosed inadvertently in circumstances in which, if the material were a lawyer-client communication, the disclosure would constitute a forfeiture under s. 905.03 (5). This protection is waived as to any material disclosed by the party or the party's representative if the disclosure is not inadvertent.
804.01(2)(c)2. 2. A party may obtain without the required showing a statement concerning the action or its subject matter previously made by that party. Upon request, a person not a party may obtain without the required showing a statement concerning the action or its subject matter previously made by that person. If the request is refused, the person may move for a court order. Section 804.12 (1) (c) applies to the award of expenses incurred in relation to the motion. For purposes of this paragraph, a statement previously made is a written statement signed or otherwise adopted or approved by the person making it, or a stenographic, mechanical, electrical, or other recording, or a transcription thereof, which is a substantially verbatim recital of an oral statement by the person making it and contemporaneously recorded.
804.01(2)(d) (d) Trial preparation: experts. Discovery of facts known and opinions held by experts, otherwise discoverable under par. (a) and acquired or developed in anticipation of litigation or for trial, may be obtained as follows:
804.01(2)(d)1. 1. A party may through written interrogatories require any other party to identify each person whom the other party expects to call as an expert witness at trial. A party may depose any person who has been identified as an expert whose opinions may be presented at trial. Upon motion, the court may order further discovery by other means, subject to such restrictions as to scope and such provisions, pursuant to subd. 3. concerning fees and expenses as the court considers appropriate.
804.01(2)(d)2. 2. A party may, through written interrogatories or by deposition, discover facts known or opinions held by an expert who has been retained or specially employed by another party in anticipation of litigation or preparation for trial and who is not expected to be called as a witness at trial only upon motion showing that exceptional circumstances exist under which it is impracticable for the party seeking discovery to obtain facts or opinions on the same subject by other means.
804.01(2)(d)3. 3. Unless manifest injustice would result, the court shall require that the party seeking discovery pay the expert a reasonable fee for the time spent in responding to discovery under the last sentence of subds. 1. and 2.; and with respect to discovery obtained under the last sentence of subd. 1., the court may require, and with respect to discovery obtained under subd. 2., the court shall require, the party seeking discovery to pay the other party a fair portion of the fees and expenses reasonably incurred by the latter party in obtaining facts and opinions from the expert.
804.01(2)(e) (e) Specific limitations on discovery of electronically stored information.
804.01(2)(e)1.1. No party may serve a request to produce or inspect under s. 804.09 seeking the discovery of electronically stored information, or respond to an interrogatory under s. 804.08 (3) by producing electronically stored information, until after the parties confer regarding all of the following, unless excused by the court:
804.01(2)(e)1.a. a. The subjects on which discovery of electronically stored information may be needed, when such discovery should be completed, and whether discovery of electronically stored information shall be conducted in phases or be limited to particular issues.
804.01(2)(e)1.b. b. Preservation of electronically stored information pending discovery.
804.01(2)(e)1.c. c. The form or forms in which electronically stored information shall be produced.
804.01(2)(e)1.d. d. The method for asserting or preserving claims of privilege or of protection of trial-preparation materials, and to what extent, if any, the claims may be asserted after production of electronically stored information.
804.01(2)(e)1.e. e. The cost of proposed discovery of electronically stored information and the extent to which such discovery shall be limited, if at all, under sub. (3) (a).
804.01(2)(e)1.f. f. In cases involving protracted actions, complex issues, or multiple parties, the utility of the appointment by the court of a referee under s. 805.06 or an expert witness under s. 907.06 to supervise or inform the court on any aspect of the discovery of electronically stored information.
804.01(2)(e)2. 2. If a party fails or refuses to confer as required by subd. 1., any party may move the court for relief under s. 804.12 (1).
804.01(2)(e)3. 3. If after conferring as required by subd. 1., any party objects to any proposed request for discovery of electronically stored information or objects to any response under s. 804.08 (3) proposing the production of electronically stored information, the objecting party may move the court for an appropriate order under sub. (3).
804.01(3) (3)Protective orders.
804.01(3)(a)(a) Upon motion by a party or by the person from whom discovery is sought, and for good cause shown, the court may make any order which justice requires to protect a party or person from annoyance, embarrassment, oppression, or undue burden or expense, including but not limited to one or more of the following:
804.01(3)(a)1. 1. That the discovery not be had;
804.01(3)(a)2. 2. That the discovery may be had only on specified terms and conditions, including a designation of the time or place;
804.01(3)(a)3. 3. That the discovery may be had only by a method of discovery other than that selected by the party seeking discovery;
804.01(3)(a)4. 4. That certain matters not be inquired into, or that the scope of the discovery be limited to certain matters;
804.01(3)(a)5. 5. That discovery be conducted with no one present except persons designated by the court;
804.01(3)(a)6. 6. That a deposition after being sealed be opened only by order of the court;
804.01(3)(a)7. 7. That a trade secret, as defined in s. 134.90 (1) (c), or other confidential research, development, or commercial information not be disclosed or be disclosed only in a designated way;
804.01(3)(a)8. 8. That the parties simultaneously file specified documents or information enclosed in sealed envelopes to be opened as directed by the court.
804.01(3)(b) (b) If the motion for a protective order is denied in whole or in part, the court may, on such terms and conditions as are just, order that any party or person provide or permit discovery. Section 804.12 (1) (c) applies to the award of expenses incurred in relation to the motion.
804.01(3)(c) (c) Motions under this subsection may be heard as prescribed in s. 807.13.
804.01(4) (4)Sequence and timing of discovery. Unless the court upon motion, for the convenience of parties and witnesses and in the interests of justice, orders otherwise, methods of discovery may be used in any sequence and the fact that a party is conducting discovery, whether by deposition or otherwise, shall not operate to delay any other party's discovery.
804.01(5) (5)Supplementation of responses. A party who has responded to a request for discovery with a response that was complete when made is under no duty to supplement the response to include information thereafter acquired, except as follows:
804.01(5)(a) (a) A party is under a duty seasonably to supplement the party's response with respect to any question directly addressed to all of the following:
804.01(5)(a)1. 1. The identity and location of persons having knowledge of discoverable matters.
804.01(5)(a)2. 2. The identity of each person expected to be called as an expert witness at trial.
804.01(5)(b) (b) A party is under a duty seasonably to amend a prior response if the party obtains information upon the basis of which 1. the party knows that the response was incorrect when made, or 2. the party knows that the response though correct when made is no longer true and the circumstances are such that a failure to amend the response is in substance a knowing concealment.
804.01(5)(c) (c) A duty to supplement responses may be imposed by order of the court, agreement of the parties, or at any time prior to trial through new requests for supplementation of prior responses.
804.01(6) (6)Custody of discovery documents.
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2011-12 Wisconsin Statutes updated though 2013 Wis. Act 200 and all Supreme Court Orders entered before April 18, 2014. Published and certified under s. 35.18. Changes effective after April 18, 2014 are designated by NOTES. (Published 4-18-14)