L

If the purchaser has knowledge of the grounds upon which he is entitled to rescind, an unreasonable delay upon his part, especially if accompanied by such change of circumstances as makes it impracticable for him to place the vendor in statu quo, or by such acts or conduct on the part of the purchaser as constitutes waiver, prevents him from exercising his right to rescind. Even where time is not of the essence of the contract, a purchaser may still lose his right to rescind by delaying action to a time, which, under the circumstances, is unreasonable. The question whether laches exists in a ...