MBS-Certified Public Accountants, LLC v. Wisconsin Bell Inc.

¶ 85. (concurring in part, dissenting in part). The voluntary payment of money by one person to another upon a demand of payment, with knowledge of the facts and without fraud or duress, generally bars the payor from recovering the money from the payee in subsequent litigation. This is the essence of the voluntary payment doctrine. See Putnam v. Time Warner Cable of Se. Wis., 2002 WI 108, ¶¶ 13-15, 255 Wis. 2d 447, 649 N.W.2d 626.

¶ 86. The voluntary payment doctrine is described in 66 Am. Jur. 2d Restitution and Implied Contracts § 92 (2011) as follows:

*682Unjust enrichment contemplates an…