Equity will relieve against constructive fraud.1 It will hold the party who obtained an unfair advantage by means of such fraud as trustee for the party of whom advantage was taken.2

The defense of constructive fraud may be set up at law;3 and it is not necessary to resort to equity to have such contract set aside,4 even if it is under seal.5

9AIaniz v. Casenave, 91 Cal. 41, 27 Pac. 521. 10 Smith v. Patterson, 33 0. S. 70.

1 Witham v. Walsh, 156 Mich. 582,121 N. W. 309.

2 England. Tate v. Williamson, L. R. 1 Eq. 528.

United States. Pioneer Mining Co. v. Tyberg, 215 Fed. 501, L. R. A. 1915B, 442.

Illinois. Miller v. Miller, 266 111. 522, 107 N. E. 821.

Michigan. Witham v. Walsh, 156 Mich. 582, 121 N. W. 309; Weir v. Union Trust Co., 188 Mich. 452, 154 N. W. 357.

New York. Peck v. Peck, 110 N. Y. 64, 17 N. E. 383.

Tennessee. Preston v. Moore, 133 Tenn. 247, L. R. A. 1916C, 578, 180 S. W. 320.

3Maine Northwestern Development Co. v. Northern Commercial Co., 213 Fed. 103; Zeigler v. 111. Trust & Savings Bank, 245 111. 180, 28 L. R. A. (N.S.) 1112, 91 N. E. 1041. (Contract between physician and patient.)

4Zeigler v. 111. Trust & Savings Bank, 245 111. 180, 28 L. R. A. (N.S.) 1112, 91 N. E. 1041.

5Maine Northwestern Development Co. v. Northern Commercial Co., 213 Fed. 103.