Essential elements of laches

The following are the essential elements of laches: (1) Conduct on the part of the defendant, or of one under whom he claims, giving rise to the situation complained of; (2) Delay in asserting complainants right after he had knowledge of the defendants conduct and after he has an opportunity to sue; (3) Lack of knowledge or notice on the part of the defendant that the complainant would assert the right on which he bases his suit; and (4) Injury or prejudice to the defendant in the event relief is accorded to the complainant. [G.R. No. 112519. November 14, 1996]