Also known as:acquiescence doctrine · acquiescence
Written by attorneys · grounded in primary & secondary sources — see below
A principle under which a party's prolonged silence or inaction in the face of another's conduct or assertion of rights constitutes implied consent or agreement to that conduct or claim.
Sources & Authorities
How it applies
Common Examples
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Presidential Claim Settlement
Delta Dynamics and two other energy firms sued a foreign state after their drilling concessions were revoked. The President then concluded an executive agreement channeling all such claims to an international commission and directing U.S. courts to suspend the suits. Congress had long permitted similar settlements and raised no objection. Courts treat the agreement as valid because the history of congressional silence amounts to acquiescence supporting the President's foreign-affairs action.
State Law Application in Federal Court
Demetrius Douglas sued an out-of-state railroad in federal court after a state-law tort claim arose on state land. The railroad argued that federal common law should govern. After prolonged congressional silence on the choice-of-law question, the court treated that silence as acquiescence and applied state substantive rules instead.
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Cases
Uniform Acts
Model Codes
Restatements
Casebooks
Erie Railroad Co. v. Tompkins304 U.S. 64, 78–80 (1938)
Adverse Inference from Silence
Dolores Diaz was on trial for a federal offense. After the government presented its case she remained silent. Because Congress had long acquiesced in the prohibition on adverse comments, the court instructed the jury that it could not draw an adverse inference from her silence.
Mitchell v. United States526 U.S. 314, 316 (1999)
Company Town Free Speech
Diana Delgado distributed religious literature in a privately owned town that functioned like a municipality. Town officials sought to stop her. The owners' long acquiescence in public use of the streets prevented them from asserting ordinary private-property rights to exclude her.
Marsh v. Alabama326 U.S. 501 (1946)
Social Security Legislation
Damian Decker challenged a federal payroll tax funding old-age benefits. Congress had repeatedly expanded similar programs without constitutional challenge. The court upheld the tax, treating the history of legislative and public acquiescence as confirming the measure's validity under the taxing power.
Helvering v. Davis301 U.S. 619 (1937)
Flooding as Taking
Dorothy Daniels owned farmland flooded after a government dam raised water levels. She sued for compensation. The government's long inaction in preventing the flooding, together with its continued operation of the dam, constituted acquiescence that converted the flooding into a compensable taking.
Pumpelly v. Green Bay Co.80 U.S. 166
Common questions
Frequently Asked
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How does the doctrine of acquiescence differ from estoppel in boundary disputes?+
Acquiescence supplies evidence of an implied agreement fixing a boundary after long silence, while estoppel requires a representation plus detrimental reliance by the other party.
What length of time is required for acquiescence to fix a boundary?+
The period may be shorter than the statute of limitations provided the acquiescence is long enough to evidence an agreement between the neighbors.
Does congressional acquiescence require an express statute?+
No. A consistent history of congressional authorization or silence in the face of similar presidential actions is sufficient to supply the necessary implicit approval.
Can a principal's acquiescence in an agent's past acts create authority for future similar acts?+
Yes. Acquiescence in a series of acts by the agent indicates authorization to perform comparable acts going forward.
Does acquiescence in late performance waive a contractual time-is-of-the-essence clause?+
Courts often treat such acquiescence as evidence that time is not of the essence or as an implicit modification, especially when the obligor has relied on the pattern of acceptance.
410 U.S. 113 (1973)Constitutional Law
…emphasized "the best interests of the patient," "sound clinical judgment," and "informed patient consent," in contrast to "mere acquiescence to the patient's demand." The resolutions asserted that abortion is a medical procedure that should be performed by a licensed physician in an accredited hospital only after consultation…