Estoppel in ERISA: Simple Mistakes Can Lead to Costly Litigation

Plan administrators need to take steps to ensure that the information they provide to plan participants is accurate. Otherwise, plan participants may use this misinformation to bring an estoppel claim.

In civil litigation, defendants have long relied on equitable estoppel as an affirmative defense. The basic elements of an equitable estoppel defense are:

  • a definite misrepresentation of fact made to another person with the expectation that they will rely on it; and
  • reasonable and detrimental reliance on the misrepresentation

See, e.g., Heckler v. Community Health Servs. of Crawford County. The rationale behind this defense is that a party who unfairly misrepresents facts should not then be permitted to benefit by means of such misrepresentation.…