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Estoppel

Legal Estoppel



Legal estoppel consists of estoppel by deed and estoppel by record. Under the doctrine of estoppel by deed, a party to a property deed is precluded from asserting, as against another party to the deed, any right or title in derogation of the deed, or from denying the truth of any material fact asserted in the deed. For example, suppose a father conveys a plot of land to his son by deed. Unbeknownst to the son, the father actually does not own the plot of land at the time of the conveyance; the father acquires title to the property only after the conveyance. Technically, the son is not the legal owner of the property because his father did not own and did not have the right to transfer the real estate at the time of the conveyance. But under the doctrine of estoppel by deed, the court may "make good" the imperfection of the poorly timed conveyance by finding the son to be the rightful owner of the plot of land (Zayka v. Giambro, 32 Mass. App. Ct. 748, 594 N.E.2d 894 [1992]).



The doctrine of estoppel by record precludes a party from denying the issues adjudicated by a court of competent jurisdiction (COLLATERAL ESTOPPEL) or any matter spelled out in a judicial record (judicial estoppel).

Collateral estoppel, sometimes known as estoppel by judgment, prevents the re-argument of a factual or legal issue that has already been determined by a valid judgment in a prior case involving the same parties. For example, suppose Ms. Jones, who owns a business next to Mr. Smith's, sues Mr. Smith for damage to her property caused by the digging of a hole. Mr. Smith defends by arguing that the hole is on his land. After considering all the evidence, the court determines that Mr. Smith owns the land. Later that year, after a late night at work, Mr. Smith cuts across the back lot, falls into the hole, and is injured. He then sues Ms. Jones for negligent maintenance of her property. In this situation, the court will apply collateral estoppel, preventing Mr. Smith from re-litigating an issue that was already decided between the same parties in the prior proceeding.

The related doctrine of judicial estoppel binds a party to his or her judicial declarations, such as allegations contained in a lawsuit complaint or testimony given under oath at a previous trial. Judicial estoppel protects courts from litigants' using opposing theories in the attempt to prevail twice. For instance, a tenant trying to avoid liability to a property owner may not, in the tenant's BANKRUPTCY case, successfully represent to a court that the property agreement is a lease and then later, when the property owner sues for nonpayment of rent, declare that the agreement is a mortgage rather than a lease (Port Authority v. Harstad, 531 N.W.2d 496 [Minn. Ct. App. 1995]).

Estoppel by record is frequently confused with the related doctrine of RES JUDICATA (a matter adjudged), which bars re-litigation of the same CAUSE OF ACTION between the same parties once there has been a judgment. For example, if Mr. Chen sues Ms. Lopez for breach of contract and the court returns a decision, Ms. Lopez cannot later sue Mr. Chen for breach of the same contract. Ms. Lopez has the right to appeal the first decision, but she cannot bring a new lawsuit that raises the same claim.

Additional topics

Law Library - American Law and Legal InformationFree Legal Encyclopedia: Estate for years to Ex proprio motu (ex mero motu)Estoppel - Equitable Estoppel, Legal Estoppel, Further Readings