Wis. Stat. § 409.109: Scope.

(1) General scope of chapter. Except as otherwise provided in subs. (3) and (4), and s. 16.63 (4) on transactions involving tobacco settlement revenues, this chapter applies to:

(a) A transaction, regardless of its form, that creates a security interest in personal property or fixtures by contract;

(b) An agricultural lien;

(c) A sale of accounts, chattel paper, payment intangibles, or promissory notes;

(d) A consignment;

(e) A security interest arising under s. 402.401, 402.505, 402.711 (3), or 411.508 (5), as provided in s. 409.110; and

(f) A security interest arising under s. 404.210 or 405.118.

(2) Security interest in secured obligation. The application of this chapter to a security interest in a secured obligation is not affected by the fact that the obligation is itself secured by a transaction or interest to which this chapter does not apply.

(3) Extent to which chapter does not apply. This chapter does not apply to the extent that:

(a) A statute, regulation, or treaty of the United States preempts this chapter;

(b) Another statute of this state expressly governs the creation, perfection, priority, or enforcement of a security interest created by this state or a governmental unit of this state;

(c) A statute of another state, a foreign country, or a governmental unit of another state or a foreign country, other than a statute generally applicable to security interests, expressly governs creation, perfection, priority, or enforcement of a security interest created by the state, country, or governmental unit; or

(d) The rights of a transferee beneficiary or nominated person under a letter of credit are independent and superior under ch. 405.

(4) Inapplicability of chapter. This chapter does not apply to:

(a) A landlord’s lien, other than an agricultural lien;

(b) A lien, other than an agricultural lien, given by statute or other rule of law for services or materials, but s. 409.333 applies with respect to priority of the lien;

(c) An assignment of a claim for wages, salary, or other compensation of an employee;

(cm) An assignment of a claim or right to receive compensation for injuries or sickness under a worker’s compensation or worker’s disability statute of any state;

(d) A sale of accounts, chattel paper, payment intangibles, or promissory notes as part of a sale of the business out of which they arose;

(e) An assignment of accounts, chattel paper, payment intangibles, or promissory notes which is for the purpose of collection only;

(f) An assignment of a right to payment under a contract to an assignee that is also obligated to perform under the contract;

(g) An assignment of a single account, payment intangible, or promissory note to an assignee in full or partial satisfaction of a preexisting indebtedness;

(h) A transfer of an interest in or an assignment of a claim under a policy of insurance, other than an assignment by or to a health-care provider of a health-care-insurance receivable and any subsequent assignment of the right to payment, but ss. 409.315 and 409.322 apply with respect to proceeds and priorities in proceeds;

(i) An assignment of a right represented by a judgment, other than a judgment taken on a right to payment that was collateral;

(j) A right of recoupment or setoff, but:

1. Section 409.340 applies with respect to the effectiveness of rights of recoupment or setoff against deposit accounts; and

2. Section 409.404 applies with respect to defenses or claims of an account debtor;

(k) The creation or transfer of an interest in or lien on real property, including a lease or rents thereunder, except to the extent that provision is made for:

1. Liens on real property in ss. 409.203 and 409.308;

2. Fixtures in s. 409.334;

3. Fixture filings in ss. 409.501, 409.502, 409.512, 409.516, and 409.519; and

4. Security agreements covering personal and real property in s. 409.604;

(L) An assignment of a claim arising in tort, other than a commercial tort claim, but ss. 409.315 and 409.322 apply with respect to proceeds and priorities in proceeds; or

(m) An assignment of a deposit account in a consumer transaction, but ss. 409.315 and 409.322 apply with respect to proceeds and priorities in proceeds.