Wisconsin Statutes Marriage and Family (Ch. 765 to 770) § 766.57. Protection of bona fide purchasers dealing with spouses

(a) “Bona fide purchaser” means a purchaser of property for value who was not knowingly a party to fraud or illegality affecting the interest of the spouses or other parties to the transaction, does not have notice of an adverse claim by a spouse and acted in the transaction in good faith.

(b) “Purchase” means to acquire property by sale, lease, discount, negotiation, mortgage, pledge or lien, or otherwise to deal with property in a voluntary transaction other than a gift.

(c) A purchaser gives “value” for property acquired in return for a binding commitment to extend credit, as security for or in total or partial satisfaction of a preexisting claim, by accepting delivery pursuant to a preexisting contract for purchase, or, generally, in return for any consideration sufficient to support a simple contract.