Current law allows the testimony of an expert witness if that scientific,
technical, or other specialized knowledge will assist the trier of fact to understand
the evidence or to determine a fact at issue in the case. This bill limits the testimony
of an expert witness to testimony that is based on sufficient facts or data, that is the
product of reliable principles and methods, and that is based on the witness applying
those principles and methods to the facts of the case. The bill also prohibits the
testimony of an expert witness who is entitled to receive any compensation
contingent on the outcome of the case.
Currently, the facts or data in a particular case on which an expert witness
bases his or her opinion may be made known to the expert at or before the case
hearing, but if those facts or data are reasonably relied upon by experts in the field
in forming opinions about the subject, they do not need to be admissible into evidence
in the case. This bill adds that facts or data that are otherwise inadmissible may not
be disclosed to the jury unless the court determines that their value in assisting the
jury to evaluate the expert's testimony outweighs their prejudicial effect.
These changes regarding witness testimony do apply to administrative hearing
but do not apply to sexually violent commitment cases or criminal cases.
Current law imposes personal liability on each shareholder of a corporation, in
an amount up to the value of the shares that the shareholder owns, for any amount
owed by the corporation to its employees for up to six months of work per employee.
This bill eliminates this provision of current law. By cross-reference, the bill also
applies to stock insurance corporations.
In addition, the bill prohibits the state, and counties, cities, and villages from
bringing an action to abate a public nuisance if the activity or use of the property
alleged to be a nuisance is not in violation of any statute, rule, permit, approval, or
local ordinance or regulation. The bill requires a court to award litigation expenses,
including reasonable attorney fees, to a defendant in a nuisance action if the activity
or use of the property alleged to be a public nuisance is found not to be a public
nuisance.

For further information see the state and local fiscal estimate, which will be
printed as an appendix to this bill.
The people of the state of Wisconsin, represented in senate and assembly, do
enact as follows:
AB278, s. 1 1Section 1. 180.0622 (2) (a) of the statutes is renumbered 180.0622 (2) and
2amended to read:
AB278,4,63 180.0622 (2) Except as provided in par. (b) or unless Unless otherwise provided
4in the articles of incorporation, a shareholder of a corporation is not personally liable
5for the acts or debts of the corporation, except that a shareholder may become
6personally liable by his or her acts or conduct other than as a shareholder.
AB278, s. 2 7Section 2. 180.0622 (2) (b) of the statutes is repealed.
AB278, s. 3 8Section 3. 227.45 (1) of the statutes is amended to read:
AB278,4,179 227.45 (1) Except as provided in sub. (1m) and ss. 19.52 (3) and 901.05, an
10agency or hearing examiner shall not be bound by common law or statutory rules of
11evidence. The agency or hearing examiner shall admit all testimony having
12reasonable probative value, but shall exclude immaterial, irrelevant or unduly
13repetitious testimony or evidence that is inadmissible under s. 901.05. The agency
14or hearing examiner shall give effect to the rules of privilege recognized by law. Basic
15principles of relevancy, materiality and probative force shall govern the proof of all
16questions of fact. Objections to evidentiary offers and offers of proof of evidence not
17admitted may be made and shall be noted in the record.
AB278, s. 4 18Section 4. 227.45 (1m) of the statutes is created to read:
AB278,4,2019 227.45 (1m) Other than cases under s. 59.694 or 62.23 (7) (e), an agency or
20hearing examiner is subject to the provisions of ss. 907.01, 907.02, and 907.03.
AB278, s. 5 21Section 5. 779.48 (title) of the statutes is repealed and recreated to read:
AB278,5,1
1779.48 (title) Enforcement.
AB278, s. 6 2Section 6. 779.485 of the statutes is created to read:
AB278,5,3 3779.485 Special tools. (1) Definitions. In this section:
AB278,5,44 (a) "Customer" means a person who does any of the following:
AB278,5,65 1. Causes a special tool builder to design, develop, manufacture, assemble, or
6otherwise make a special tool.
AB278,5,87 2. Orders a product from a manufacturer that is produced with a special tool
8or causes a manufacturer to use a special tool.
AB278,5,99 (b) "Intellectual property" means a design, program, or process.
AB278,5,1110 (c) "Manufacturer" means a person who uses a special tool as part of the
11person's manufacturing process.
AB278,5,1212 (d) "Manufacturer's lien" means a lien described in sub. (3) (b).
AB278,5,1613 (e) "Special tool" means a tool, die, jig, gauge, gauging fixture, metal casting,
14pattern, forging, machinery, ferrous or nonferrous machine part, or intellectual
15property used for the purpose of designing, developing, manufacturing, assembling,
16or fabricating a metal part.
AB278,5,1817 (f) "Special tool builder" means a person who designs, develops, manufactures,
18fabricates, or assembles a special tool.
AB278,5,1919 (g) "Special tool builder's lien" means a lien described in sub. (2) (a) 1.
AB278,5,23 20(2) Special tool builders. (a) Lien. 1. A special tool builder who does all of
21the following has a lien on a special tool in the amount that a customer or
22manufacturer owes the special tool builder for designing, developing,
23manufacturing, fabricating, assembling, repairing, or modifying the special tool:
AB278,5,2524 a. Permanently records on the special tool the special tool builder's name, street
25address, city, and state.
AB278,6,1
1b. Files a financing statement for the special tool under subch. V of ch. 409.
AB278,6,32 2. A special tool builder's lien attaches and is perfected on the date that both
3of the requirements specified in subd. 1. a. and b. are satisfied.
AB278,6,64 3. A special tool builder retains a special tool builder's lien even if the special
5tool builder does not have physical possession of the special tool for which the lien
6is claimed.
AB278,6,87 4. A special tool builder's lien remains valid until the first of any of the following
8occurs:
AB278,6,109 a. The customer or manufacturer pays the special tool builder the amount for
10which the special tool builder's lien is claimed.
AB278,6,1111 b. The financing statement is terminated.
AB278,6,1312 (b) Priority. An attached and perfected special tool builder's lien has priority
13over any other lien that subsequently attaches to the special tool.
AB278,7,314 (c) Enforcement. 1. A special tool builder may not enforce a special tool
15builder's lien unless the builder provides notice in writing to the customer,
16manufacturer, or both that owes the builder the amount for which the special tool
17builder's lien is claimed. The notice shall be delivered personally or by registered
18mail, return receipt requested, to the last-known address of the customer,
19manufacturer, or both and shall state that the builder is claiming a lien for the
20amount that customer, manufacturer, or both owes the special tool builder for
21designing, developing, manufacturing, fabricating, assembling, repairing, or
22modifying the special tool and that the builder demands payment for the amount.
23Except as provided in subd. 2., if the special tool builder is not paid the amount
24claimed within 90 days after either the customer or, if applicable, the manufacturer
25receives the notice, whichever is later, the builder has the right to possession of the

1special tool and the builder may enforce the right by any available judicial procedure
2or by taking possession of the special tool without judicial process, but only if the
3taking is done without breach of the peace.
AB278,7,104 2. If the postal service returns any notice required under subd. 1. as
5undeliverable, the special tool builder may enforce the right to possession under
6subd. 1. no sooner than 90 days after the special tool builder publishes, under ch. 985,
7a class 1 notice of the intended enforcement of the right to possession in a newspaper
8of general circulation in the place where the special tool is last known to be located
9and in the place of the last-known address of any person for which the postal service
10returns a notice as undeliverable.
AB278,7,16 11(3) Manufacturers. (a) Transfer of interest. 1. Unless otherwise agreed by
12a customer and manufacturer in writing, all rights, title, and interest of a customer
13in a special tool that a manufacturer has used to produce parts ordered by the
14customer or that the customer has caused a manufacturer to use are transferred to
15the manufacturer for the purpose of destroying the special tool, if all of the following
16are satisfied:
AB278,7,1817 a. The special tool has been in the possession of the manufacturer during the
18one-year period beginning after the manufacturer's last use of the special tool.
AB278,7,2019 b. The customer has not claimed possession of the special tool before the
20expiration of the one-year period specified in subd. 1. a.
AB278,8,221 c. After the expiration of the one-year period specified in subd. 1. a., the
22manufacturer provides written notice by registered mail, return receipt requested,
23to an address designated in writing by the customer or, if the customer has made no
24such designation, to the customer's last-known address, that indicates that the
25manufacturer intends to terminate the customer's rights, title, and interest in the

1special tool and transfer those rights, title, and interest to the manufacturer as
2provided in this paragraph.
AB278,8,73 d. The customer has not, within 120 days after the date that the manufacturer
4receives the return receipt of notice specified in subd. 1. c. or within 120 days after
5the customer provides notice if no return receipt is received within that period,
6claimed possession of the special tool or agreed to other arrangements with the
7manufacturer for storage of the special tool.
AB278,8,98 2. The one-year period specified in subd. 1. a. applies retroactively to special
9tools last used before the effective date of this subdivision .... [revisor inserts date].
AB278,8,1210 3. This paragraph does not apply to a special tool that is titled to, and in the
11possession of, a manufacturer. This paragraph may not be construed to grant a
12customer any right, title, or interest in a special tool.
AB278,8,1713 (b) Lien. A manufacturer has a lien on any special tool in the manufacturers'
14possession belonging to a customer for the amount due the manufacturer from the
15customer for work performed with the special tool or for making or improving the
16special tool. A manufacturer may retain possession of the special tool until the
17amount due is paid.
AB278,8,2518 (c) Enforcement. 1. A manufacturer may not enforce a manufacturers' lien
19unless the manufacturer provides notice in writing to the customer, delivered
20personally or by registered mail to the last-known address of the customer, that
21states that the manufacturer is claiming a lien for the amount due described in par.
22(b). Except as provided in subd. 2., if the manufacturer is not paid the amount due
23within 90 days after the customer receives the notice, and if the manufacturer is still
24in possession of the special tool, the manufacturer may sell the special tool at public
25auction under par. (d).
AB278,9,6
12. If the postal service returns a notice under subd. 1. as undeliverable and if
2the manufacturer is still in possession of the special tool, the manufacturer may sell
3the special tool at public auction under par. (d) no sooner than 90 days after the
4special tool builder publishes, under ch. 985, a class 1 notice of the sale in a
5newspaper of general circulation in the place of the last-known address of the
6customer.
AB278,9,117 (d) Public auction. 1. A manufacturer may not sell a special tool at public
8auction unless the manufacturer has provided, by registered mail, return receipt
9requested, the customer and any other person, including a special tool builder, who
10has perfected by filing a security interest in the special tool, a notice that includes
11all of the following:
AB278,9,1312 a. A statement that the manufacturer intends to sell the special tool no sooner
13than 60 days after receipt of the notice.
AB278,9,1414 b. A description of the special tool.
AB278,9,1515 c. The time and place of the public auction.
AB278,9,1716 d. An itemized statement of the amount for which the manufacturer's lien is
17claimed.
AB278,9,1918 e. A statement that any product produced by the manufacturer with the special
19tool complies with the quality and quantity ordered by the customer.
AB278,9,2520 2. Except as provided in subd. 3., a manufacturer may sell a special tool at
21public auction no sooner than 60 days after the customer's or other person's receipt
22of the notice specified in subd. 1., whichever is later, except that, if the postal service
23returns any of the notices as undeliverable, the manufacturer may sell the special
24tool no sooner than 60 days after the manufacturer publishes, under ch. 985, a class
251 notice of the intended sale, that includes the information specified in subd. 1., in

1a newspaper of general circulation in the place where the manufacturer is holding
2the special tool for sale, in the place of the customer's last-known address, and in the
3place of the other person's last-known address.
AB278,10,94 3. If a customer disagrees with the statement specified in subd. 1. e. that is
5included in a notice, the customer may notify the manufacturer of the disagreement
6in writing by registered mail, return receipt requested. If a manufacturer receives
7a notification under this subdivision before the date of the public auction, the
8manufacturer may not sell the special tool at public auction until after the
9disagreement is resolved.
AB278,10,1410 (e) Proceeds. The proceeds of a sale of a special tool under par. (d) shall, if
11applicable, first be paid to a prior lienholder who has perfected a lien in an amount
12sufficient to extinguish that lien. Any excess proceeds shall next be paid to the
13manufacturer in an amount sufficient to extinguish the manufacturer's lien. Any
14remainder shall be paid to the customer.
AB278, s. 7 15Section 7. 823.025 of the statutes is created to read:
AB278,10,19 16823.025 Litigation expenses in an action to abate or enjoin a public
17nuisance. (1)
In this section, "litigation expenses" means the sum of the costs,
18disbursements, and expenses, including reasonable attorney fees, expert witnesses,
19and engineering fees, necessary to prepare or participate in a court action.
AB278,10,23 20(2) The state may not bring an action under s. 823.02, and a county, city, village,
21or town may not bring an action under s. 823.01, if the activity, use, or practice
22alleged to be a nuisance is not in violation of any statute, rule, permit, approval, or
23local ordinance or regulation.
AB278,11,2 24(3) Notwithstanding s. 814.04 (1) and (2), the court shall award litigation
25expenses to the defendant in any action brought under s. 823.01 or 823.02 in which

1the court finds that the defendant's activity, use, or practice that was alleged to be
2a public nuisance was not a public nuisance.
AB278, s. 8 3Section 8. 907.01 of the statutes is renumbered 907.01 (intro.) and amended
4to read:
AB278,11,7 5907.01 Opinion testimony by lay witnesses. (intro.) If the witness is not
6testifying as an expert, the witness's testimony in the form of opinions or inferences
7is limited to those opinions or inferences which are rationally all of the following:
AB278,11,8 8(1) Rationally based on the perception of the witness and helpful.
AB278,11,10 9(2) Helpful to a clear understanding of the witness's testimony or the
10determination of a fact in issue.
AB278, s. 9 11Section 9. 907.01 (3) of the statutes is created to read:
AB278,11,1412 907.01 (3) If the testimony is given in a case other than a criminal case or a case
13brought under ch. 980, not based on scientific, technical, or other specialized
14knowledge within the scope of a witness under s. 907.02 (1).
AB278, s. 10 15Section 10. 907.02 of the statutes is renumbered 907.02 (1) (intro.) and
16amended to read:
AB278,11,2217 907.02 (1) (intro.) If the testimony is given in a case other than a criminal case
18or a case brought under ch. 980 and if
scientific, technical, or other specialized
19knowledge will assist the trier of fact to understand the evidence or to determine a
20fact in issue, a witness qualified as an expert by knowledge, skill, experience,
21training, or education, may testify thereto in the form of an opinion or otherwise. if
22all of the following criteria are met:
AB278, s. 11 23Section 11. 907.02 (1) (a), (b) and (c) of the statutes are created to read:
AB278,11,2424 907.02 (1) (a) The testimony is based upon sufficient facts or data.
AB278,11,2525 (b) The testimony is the product of reliable principles and methods.
AB278,12,2
1(c) The witness has applied the principles and methods reliably to the facts of
2the case.
AB278, s. 12 3Section 12. 907.02 (2) of the statutes is created to read:
AB278,12,74 907.02 (2) Notwithstanding sub. (1), the testimony of an expert witness may
5not be admitted under sub. (1) if the expert witness is entitled to receive any
6compensation contingent on the outcome of any claim or case with respect to which
7the testimony is being offered.
AB278, s. 13 8Section 13. 907.02 (3) of the statutes is created to read:
AB278,12,139 907.02 (3) If the testimony is given in a criminal case or a case brought under
10ch. 980 and if scientific, technical, or other specialized knowledge will assist the trier
11of fact to understand the evidence or to determine a fact in issue, a witness qualified
12as an expert by knowledge, skill, experience, training, or education may testify
13thereto in the form of an opinion or otherwise.
AB278, s. 14 14Section 14. 907.03 of the statutes is amended to read:
AB278,12,25 15907.03 Bases of opinion testimony by experts. The facts or data in the
16particular case upon which an expert bases an opinion or inference may be those
17perceived by or made known to the expert at or before the hearing. If of a type
18reasonably relied upon by experts in the particular field in forming opinions or
19inferences upon the subject, the facts or data need not be admissible in evidence in
20order for the opinion or inference to be admitted. Unless the testimony is given in
21a criminal case or a case that is brought under ch. 980, facts or data that are
22otherwise inadmissible may be disclosed to the jury by the proponent of the opinion
23or inference only if the court determines that their probative value in assisting the
24jury to evaluate the expert's opinion or inference substantially outweighs their
25prejudicial effect
.
AB278, s. 15
1Section 15. Initial applicability.
AB278,13,62 (1) The treatment of sections 227.45 (1) and (1m) and 907.03 of the statutes,
3the renumbering and amendment of sections 907.01 and 907.02 of the statutes, and
4the creation of sections 907.01 (3) and 907.02 (1) (a), (b), and (c), (2), and (3) of the
5statutes first apply to actions or proceedings commenced on the effective date of this
6subsection.
AB278,13,77 (End)
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