 | United States. Department of the Interior - 1980 - 984 pages
...v. Wharton has outlined the elements of estoppel [*] that must be proved to establish the defense. "(1) The party to be estopped must know the facts; (2) he must intend •C/. Vnlm Oil Co. of Calif. T. Uorton, B12 tU 743, 748 (9th dr. 1975). that his conduct shall be... | |
 | James O. Mahoy - 1975 - 912 pages
...fia Company 3 421 F. 2d 92 (9th Cir. 1970), that must be present in order to establish an estoppel: 1) the party to be estopped must know the facts; 2)...3) the latter must be ignorant of the true facts; 4) he must rely on the former's conduct to his injury. The present situation, however, differs from... | |
 | E. Gabriel Perle, Mark A. Fischer, John Taylor Williams - 1999 - 1954 pages
...know the facts of the defendant's infringing conduct; (2) [the plaintiff] must intend that his or her conduct shall be acted on or must so act that the...party asserting the estoppel has a right to believe that it is so intended; (3) the [defendant] must be ignorant of the true facts; and (4) [the defendant]... | |
 | 1981 - 556 pages
...629. The traditional requirements of estoppel are (a) The party to be estopped must know the facts (b) He must intend that his conduct shall be acted on...estoppel has a right to believe it is so intended. (c) The latter must be ignorant of the true facts. (d) He must rely on the former's conduct to his... | |
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The elements of the doctrine are that (1) the party to be estopped must be apprised of the facts; (2) he must intend that his conduct shall be acted upon, or... 