All terms

Legal Terms: D

Federal & State Law Editorial TeamLast reviewed: April 2026

DACA

immigration

Deferred Action for Childhood Arrivals, a discretionary policy providing temporary protection from removal and work authorization to certain undocumented immigrants who came to the United States as children and meet specified criteria.

Damages

tort

Monetary compensation awarded by a court to a party who has suffered loss or injury due to another party's wrongful act.

Daubert Standard

evidence

The federal standard for admitting expert testimony, requiring the trial judge to assess relevance and reliability of the methodology under FRE 702.

Davis-Bacon Act

employment

A federal law requiring contractors on federally funded construction projects to pay workers no less than the locally prevailing wages and fringe benefits.

De Facto

general

Latin for 'in fact.' Describes something that exists in reality even if not officially recognized by law.

De Facto Corporation

business

An entity that has not strictly complied with incorporation statutes but has made a good-faith attempt to incorporate and has operated as a corporation, giving it limited recognition against most parties except the state.

De Jure

general

Latin for 'by law.' Describes something that exists by right or according to law.

De Jure Corporation

business

A corporation that has been properly formed under state law by full compliance with all statutory requirements, giving it legal recognition against all challengers, including the state.

De Novo

civil procedure

Latin for 'anew.' A de novo trial or hearing is conducted as if no previous decision had been made.

De Novo Review

civil procedure

An appellate standard giving no deference to the lower court's determination, used for questions of law and mixed questions where legal principles predominate.

De-Identification

healthcare

The process of removing or altering protected health information so that it no longer identifies an individual, making HIPAA protections inapplicable to the resulting data.

Death Penalty

criminal

The sentence of execution for a capital crime. Also called capital punishment. Subject to extensive constitutional limitations.

Debtor

bankruptcy

A person or entity that owes money or is obligated to pay a debt.

Debtor-in-Possession

bankruptcy

A debtor in a Chapter 11 case who continues to operate its business and manage its assets while under bankruptcy court supervision.

Debtor's Discharge

bankruptcy

The final order in a bankruptcy case that releases the debtor from personal liability for dischargeable debts.

Decedent

estate

A person who has died, especially one whose estate is being administered.

Declaratory Judgment

civil procedure

A court ruling that determines the rights and obligations of parties without ordering any specific action or awarding damages.

Deductible

general

The amount an insured person must pay out of pocket before insurance coverage begins. In tax law, an expense that can be subtracted from taxable income.

Related:insurancetax

Deed

property

A legal document that transfers ownership of real property from one party to another. Types include general warranty, special warranty, and quitclaim deeds.

Deed

real estate

A written instrument that transfers ownership of real property from a grantor to a grantee.

Deed of Trust

real estate

A document used in some states instead of a mortgage, conveying title to real property to a trustee as security for a loan until the borrower repays the debt.

Deed Restriction

real estate

A limitation placed in a deed that restricts the use of the property by subsequent owners, also known as a restrictive covenant.

Defamation

tort

A false statement of fact published to a third party that damages another person's reputation. Includes libel (written) and slander (spoken).

Related:libelslander

Default

civil procedure

The clerk's entry under Rule 55(a) noting a defendant's failure to plead or otherwise defend, a prerequisite to entry of default judgment.

Default Divorce

family law

A divorce entered when the responding spouse fails to file an answer within the statutory period after proper service, allowing the petitioner to obtain the relief requested.

Default Judgment

civil procedure

A judgment entered against a party who fails to appear in court or respond to legal proceedings.

Default Judgment

civil procedure

A judgment entered under Rule 55(b) against a party who has failed to appear or defend, after either clerk's entry (sum certain) or court hearing.

Defeasance

property

A clause or condition in a deed, lease, or other instrument that, upon performance, renders the instrument void.

Related:deedmortgage

Defend Trade Secrets Act

ip

A 2016 federal law creating a private civil cause of action for trade secret misappropriation, allowing parties to bring claims in federal court.

Defendant

general

The party against whom a lawsuit or criminal charge is brought.

Defense

general

The arguments, evidence, and legal strategy presented by the defendant to counter the plaintiff's or prosecution's case.

Defensive Non-Mutual Estoppel

civil procedure

Use by a non-party defendant of issue preclusion against a plaintiff who lost the same issue in a prior suit, permitted in federal court since Blonder-Tongue.

Deferred Action

immigration

A discretionary determination by immigration authorities to defer removal action against an individual for a specified period, often granting work authorization.

Delegation

contract law

The appointment of another to perform the delegator's duties under a contract, though the delegator typically remains liable unless a novation occurs.

Demand Futility

civil procedure

An exception excusing the demand requirement when a majority of directors are conflicted or the challenged transaction is not the product of a valid business judgment.

Demand Futility

business

An exception to the demand requirement allowing a shareholder to proceed with a derivative suit when demand on the board would be futile because the directors are interested or lack independence.

Demand Requirement

civil procedure

The Rule 23.1 prerequisite that a shareholder make a pre-suit demand on the board of directors to take corrective action before filing a derivative suit.

Demand Requirement

business

The procedural prerequisite that a shareholder asserting a derivative claim must first demand that the board pursue the claim, unless demand would be futile.

Demonstrative Bequest

estate planning

A gift in a will of a specified amount payable primarily from a designated source but, if that source is insufficient, from the general estate.

Demonstrative Evidence

evidence

Tangible items such as charts, models, or animations used to illustrate testimony rather than as substantive proof of facts.

Demurrer

civil procedure

A legal objection that, even if all the facts alleged in the complaint are true, they do not constitute a valid cause of action. Similar to a motion to dismiss.

Dependency Revival

estate planning

A related doctrine reviving a previously revoked will when a later will is itself revoked, on the inference that the testator would prefer the earlier will over intestacy.

Dependent Relative Revocation

estate planning

An equitable doctrine that disregards a revocation if the testator's act was based on a mistake of law or fact and the testator would not have revoked but for that mistake.

Deportability

immigration

Statutory grounds under INA section 237(a) that subject a noncitizen lawfully admitted to the United States to removal, including certain criminal convictions, immigration violations, and security risks.

Deportation

immigration

The formal removal of a foreign national from the United States for violating immigration laws.

Deportation

immigration

The formal removal of a foreign national from the United States for violations of immigration law, now generally referred to as removal.

Deportation

immigration

The forcible removal of a noncitizen from the United States after a final order of removal, executed by Immigration and Customs Enforcement.

Deposition

civil procedure

A pretrial discovery tool in which a witness provides sworn oral testimony, recorded by a court reporter, outside of court.

Deposition

civil procedure

Sworn out-of-court testimony of a witness, recorded for later use, taken under Rules 30 and 31 in oral or written form.

Depreciation

tax

A tax deduction allowing a business to recover the cost of certain tangible and intangible assets over their useful life through annual deductions.

Depreciation

tax

An annual deduction allowing the cost of tangible business or investment property to be recovered over its useful life through periodic deductions reflecting wear, tear, or obsolescence.

Depreciation Recapture

tax

Ordinary income treatment upon sale of depreciated property to the extent of prior depreciation deductions, under IRC Sections 1245 and 1250.

Derivative Beneficiary

immigration

A spouse or unmarried child under 21 who obtains an immigration benefit through a relationship with a principal applicant rather than by independent qualification.

Derivative Citizenship

immigration

U.S. citizenship acquired automatically by a child under 18 when a parent naturalizes, provided the child is a lawful permanent resident residing in the United States in the parent's custody.

Derivative Suit

civil procedure

A shareholder action brought on behalf of a corporation to enforce a right belonging to the corporation that its directors have failed to assert, governed by Rule 23.1.

Derivative Suit

business

A lawsuit brought by a shareholder on behalf of the corporation to enforce a corporate right, with any recovery going to the corporation rather than the plaintiff shareholder.

Derivative Use Immunity

criminal procedure

A protection barring use of evidence derived directly or indirectly from compelled testimony, required by Kastigar to satisfy the Fifth Amendment.

Derivative Work

intellectual property

A work based upon one or more preexisting works, such as a translation, adaptation, or sequel, in which the underlying work is recast, transformed, or adapted.

Derogation

general

The partial repeal or taking away of the effectiveness of a law, usually by a subsequent act.

Descriptive Mark

intellectual property

A mark that directly describes a characteristic or quality of the goods, protectable only upon a showing of secondary meaning (acquired distinctiveness).

Desertion

military

The offense under the UCMJ of abandoning military service without authorization and with the intent to remain away permanently or to avoid hazardous duty.

Related:ucmjawol

Design Patent

ip

A patent that protects the ornamental appearance of a functional item, lasting 15 years from the date of grant.

Design Patent

intellectual property

A patent protecting the ornamental design of a functional item for 15 years from issuance, focusing on appearance rather than function.

Designated Record Set

healthcare

A group of records maintained by or for a covered entity that is used to make decisions about individuals, including medical records, billing records, and enrollment information.

Detainer

property

The unlawful withholding of the property or person of another. An unlawful detainer action is an eviction proceeding.

Determinate Sentencing

criminal procedure

A system imposing a fixed term of imprisonment, with limited or no discretion for early release through parole.

Detrimental Reliance

contract law

A change of position by the promisee in reliance on a promise, sufficient under promissory estoppel to render the promise enforceable to avoid injustice.

Deviation from Guideline

family law

A court's decision to set child support at an amount different from the presumptive guideline calculation, requiring written findings explaining the reasons.

Devise

estate

A gift of real property made through a will. The person receiving the gift is a devisee.

Related:willbequest

Dictum

general

A judge's remark or observation in a court opinion that is not essential to the decision and does not establish binding precedent. Also called obiter dictum.

Dilation

civil procedure

An extension of time granted by a court for performing an act or filing a document.

Dilution

securities

The reduction in existing shareholders' ownership percentage caused by the issuance of additional shares.

Dilution

intellectual property

Harm to a famous mark's distinctiveness or reputation, even without consumer confusion, actionable under the Federal Trademark Dilution Act and state anti-dilution laws.

Diminished Capacity

criminal procedure

A doctrine allowing evidence of mental impairment to negate a specific intent element, reducing rather than eliminating criminal liability.

DIP Financing

bankruptcy

Post-petition financing obtained by a debtor-in-possession with court approval, typically granted superpriority status to incentivize lenders.

Direct Appeal

criminal procedure

An appeal taken from a final judgment of conviction to a higher court for review of alleged trial errors, ordinarily filed within strict time limits.

Direct Evidence

evidence

Evidence that directly proves a fact without requiring an inference, such as eyewitness testimony or a confession.

Direct Examination

evidence

The initial questioning of a witness by the party who called them to testify.

Directed Verdict

civil procedure

A ruling by the trial judge during a jury trial that takes the decision away from the jury because no reasonable jury could reach a different conclusion.

Directed Verdict

criminal procedure

A judgment entered by the court at trial in favor of one party, typically the defendant, when the evidence is legally insufficient to support a verdict for the other side.

Disbarment

general

The revocation of an attorney's license to practice law, typically for ethical violations or criminal conduct.

Discharge

bankruptcy

In bankruptcy, the release of a debtor from personal liability for certain debts, preventing creditors from collecting those debts.

Discharge

bankruptcy

A court order releasing a debtor from personal liability for certain debts, preventing creditors from taking collection action on those debts.

Discharge Characterization

military

The classification given to a military service member upon separation, including honorable, general under honorable conditions, other than honorable, bad conduct, and dishonorable.

Discharge Injunction

bankruptcy

The permanent injunction that arises upon the entry of a discharge order, prohibiting creditors from attempting to collect discharged debts.

Discovery

civil procedure

The pretrial process by which parties exchange information, documents, and evidence relevant to the case.

Discovery

civil procedure

The pretrial process under Rules 26-37 by which parties obtain evidence from each other and non-parties through tools such as depositions, interrogatories, and document requests.

Discovery Sanctions

civil procedure

Penalties under Rule 37 for failing to comply with discovery obligations, ranging from fee-shifting to evidentiary preclusion to dismissal or default.

Discrimination

employment

Treating a person differently or unfavorably based on a protected characteristic such as race, sex, age, disability, or religion.

Disgorgement

securities

An equitable remedy requiring a person who has profited from illegal or wrongful conduct to surrender those profits to the harmed parties or the government.

Disinheritance

estate

The act of excluding a person, often a family member, from inheriting under a will or trust.

Dismissal

civil procedure

The termination of a case by a court, either voluntarily by the plaintiff or involuntarily by the court. Can be with or without prejudice.

Disparate Impact

employment

A form of employment discrimination in which a facially neutral employment practice disproportionately affects members of a protected group without a legitimate business justification.

Disparate Treatment

employment

A form of employment discrimination in which an employer intentionally treats an individual less favorably because of a protected characteristic.

Dissenters' Rights

business

Statutory rights of shareholders who object to certain corporate transactions (such as mergers) to receive cash payment of the fair value of their shares instead of accepting the deal consideration.

Distinctiveness Spectrum

intellectual property

The Abercrombie classification of marks from least to most protectable: generic, descriptive, suggestive, arbitrary, and fanciful, determining trademark protection eligibility.

Distributive Share

business

A partner's or LLC member's allocated portion of partnership income, gain, loss, deduction, or credit, which the partner must report on the partner's return regardless of whether cash is distributed.

Diversity Jurisdiction

courts

Federal court jurisdiction over cases between citizens of different states where the amount in controversy exceeds $75,000.

Diversity Jurisdiction

civil procedure

Federal subject matter jurisdiction under 28 USC 1332 over civil actions between citizens of different states (or aliens) where the amount in controversy exceeds $75,000.

Diversity Visa Lottery

immigration

A program providing up to 55,000 immigrant visas annually through random selection to nationals of countries with low rates of immigration to the United States.

Dividend

securities

A distribution of a portion of a company's earnings to its shareholders, typically paid in cash or additional shares.

Divorce

family

The legal dissolution of a marriage by court order, addressing issues of property division, alimony, child custody, and child support.

DMCA

intellectual property

The Digital Millennium Copyright Act of 1998, which implements WIPO treaties and provides anti-circumvention rules and online service provider safe harbors for copyright liability.

DMCA Counter-Notice

intellectual property

A response by a user whose content was removed under a DMCA takedown, asserting good-faith belief that the removal was a mistake or misidentification and consenting to jurisdiction.

DMCA Takedown

ip

A notice and takedown procedure under the Digital Millennium Copyright Act requiring online service providers to remove infringing content upon receiving a valid complaint.

DMCA Takedown

intellectual property

A notice sent by a copyright owner to an online service provider under 17 U.S.C. Section 512 demanding removal of allegedly infringing user-posted material, which the provider must remove expeditiously to maintain safe harbor.

Docket

courts

A list of cases pending before a court, or the official record of proceedings in a case.

Doctor-Patient Privilege

evidence

A statutory or common-law privilege protecting confidential communications between a patient and physician made for purposes of diagnosis or treatment.

Doctrine of Equivalents

ip

A legal doctrine allowing a court to find patent infringement even when the accused product does not literally fall within the patent claims, if it performs substantially the same function.

Doctrine of Equivalents

intellectual property

A judicial doctrine permitting a finding of patent infringement even when the accused device does not literally meet every claim element, if it contains equivalents that perform substantially the same function in substantially the same way to achieve substantially the same result.

Dodd-Frank Act

securities

A 2010 federal law enacting sweeping financial regulatory reforms, including the creation of the Consumer Financial Protection Bureau and enhanced oversight of derivatives.

Domicile

general

A person's permanent legal residence, which may differ from where they currently live.

Donee Beneficiary

contract law

A traditional category of intended beneficiary whom the promisee intends to benefit by way of gift, such as a life insurance beneficiary.

Double Jeopardy

constitutional

The constitutional protection against being tried twice for the same offense after an acquittal or conviction. Guaranteed by the Fifth Amendment.

Double Jeopardy

criminal procedure

The Fifth Amendment protection against being tried or punished twice for the same offense by the same sovereign.

Double Taxation

business

The tax treatment of C corporations under which corporate profits are taxed once at the entity level and again at the shareholder level when distributed as dividends.

Drag-Along Right

business

A contractual right allowing majority shareholders to compel minority shareholders to join in a sale of the company on the same terms, ensuring the buyer can acquire 100%.

Drug Enforcement Administration

healthcare

The federal agency responsible for enforcing controlled substances laws and regulations, classifying drugs into schedules based on their potential for abuse.

Dual Intent

immigration

A doctrine allowing certain visa holders, notably H-1B and L-1 nonimmigrants, to pursue lawful permanent residence without violating the terms of their temporary status.

Dual Sovereignty Doctrine

criminal procedure

The principle that separate sovereigns, such as federal and state governments, may each prosecute a defendant for the same conduct without violating double jeopardy.

Due Diligence

business

The thorough investigation and analysis of a business, property, or legal matter before entering into a transaction or agreement.

Due Process

constitutional

The constitutional guarantee that the government must follow fair procedures before depriving any person of life, liberty, or property. Found in the Fifth and Fourteenth Amendments.

Durational Alimony

family law

Support awarded for a set period of time that may not exceed the length of the marriage, used in states such as Florida as an alternative to permanent alimony.

Duress

contracts

Coercion or threats that compel a person to act against their will. A contract entered into under duress may be voidable.

Duress

contract law

Improper coercion that overcomes a party's free will and induces assent to a contract, rendering it voidable.

Duress Defense

criminal procedure

An excuse defense available when the defendant committed the offense under threat of imminent serious bodily harm or death from another person.

Durham Rule

criminal procedure

An insanity test, now largely abandoned, that excused criminal conduct if it was the product of mental disease or defect.

Dusky Standard

criminal procedure

The competency standard from Dusky v. United States requiring sufficient present ability to consult with counsel and rational and factual understanding of the proceedings.

Duty of Care

tort

The legal obligation to act with a certain standard of care toward others to avoid causing harm. Central to negligence law.

Duty of Care

business

A director's or officer's duty to exercise the care that an ordinarily prudent person would in a like position, including being informed and acting deliberately.

Duty of Loyalty

business

A fiduciary's duty to act in good faith for the benefit of the entity, without conflicts of interest or self-dealing, including the obligation not to usurp corporate opportunities.

Dying Declaration

evidence

A hearsay exception under FRE 804(b)(2) for statements made by a declarant who believed death was imminent, concerning the cause or circumstances.

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.