Extrinsic fraud¶

Fraud collateral to the merits of a case that prevents a party from fairly presenting a claim or defense and can support exceptional relief from a judgment under applicable law.

Version: v2 · 2026-09-19 · History
Domain-specific #: 4493
Domain group: Professional & Organizational Practice
Origin domain: Law & Governance
Subdomain: Civil Procedure and Equity → Law & Governance

Core Idea¶

Examples can include keeping a party away, concealing the proceeding, corrupting the adjudicative process or preventing evidence from being presented; jurisdictions differ sharply in terminology, deadlines and whether modern rules retain the intrinsic–extrinsic distinction. Deception or obstruction operates outside the issue adjudicated, deprives a party of notice or a meaningful opportunity to be heard, and thereby undermines the final judgment's procedural legitimacy. The abstraction is therefore identified by a declared carrier, a transformation or constraint over that carrier, and an invariant that tells an analyst whether the named structure is genuinely present.

How would you explain it like I'm…

The Never-Got-a-Turn Trick

Imagine a judge is deciding something about you, but someone tricks you so you never find out, or keeps you from showing your side. The problem isn't a lie about the question itself. The problem is that you never got a fair chance to take part. Because of that, the decision might be opened up again.

Tricked Out of Court

In a court case, both sides should know about the case and get a real chance to tell their story. Extrinsic fraud is cheating that stops that from happening: hiding the case from someone, keeping them away, or blocking their evidence. The cheating is outside the question the court was deciding, unlike a lie told during the case itself. Because one side never got a fair chance, the final ruling can be challenged. Different places have different rules about this.

Fraud Outside the Trial

In civil law, extrinsic fraud is deception or obstruction that works outside the issue the court actually decided. Examples include keeping a party away, concealing the proceeding, corrupting the court process, or preventing evidence from being presented. Its key feature is that it denies a party notice or a meaningful chance to be heard, which undermines the judgment's procedural legitimacy. It is usually contrasted with intrinsic fraud, such as lying testimony on the issue being tried, which the party could have challenged at trial. Jurisdictions differ a lot in their terms, deadlines, and whether they still use the intrinsic-extrinsic distinction at all.

In civil procedure and equity, extrinsic fraud is deception or obstruction operating outside the adjudicated issue that deprives a party of notice or a meaningful opportunity to be heard. Typical examples are keeping a party away, concealing the proceeding, corrupting the adjudicative process, or preventing evidence from being presented. It is contrasted with intrinsic fraud, such as false evidence on matters actually litigated, which the party could have contested at trial. Because extrinsic fraud attacks the process instead of the merits, it impugns the final judgment's procedural legitimacy and can ground relief from it. Analysis must specify the jurisdiction and rule, the judgment, the actor and conduct, timing, causal prevention of presentation, diligence, materiality, limitations periods, the vehicle (motion or independent action), proof standard, and remedy. Jurisdictions vary sharply in terminology and deadlines, and some modern rules have abandoned the intrinsic–extrinsic line.

Scope of Application¶

Extrinsic fraud belongs to civil procedure and equity and is useful where the analyst can specify the typed civil procedure and equity carrier, defining objects and relations, parameters, conventions, evidence, boundary cases, and comparison targets, then evaluate the jurisdiction and procedural rule, judgment and proceeding, actor and conduct, timing, notice and opportunity to participate, causal prevention of presentation, intrinsic comparison, diligence, materiality, limitations, available motion or independent action, proof standard and remedy are explicit.

Clarity¶

The abstraction clarifies a crowded vocabulary by making the jurisdiction and procedural rule, judgment and proceeding, actor and conduct, timing, notice and opportunity to participate, causal prevention of presentation, intrinsic comparison, diligence, materiality, limitations, available motion or independent action, proof standard and remedy are explicit the center of the account. A claim should name the carrier, the governing operation or relation, the applicable assumptions, and the recognition test.

Manages Complexity¶

Without the abstraction, an analyst must reason directly over many local details: the carrier roles, admissibility assumptions, competing conventions, derived invariants, boundary cases, and proof or validation obligations specific to Extrinsic fraud. Extrinsic fraud compresses them into the roles in the structural signature. That compression permits comparison across instances without erasing the variables that determine validity. It also exposes which details may be varied safely and which are constitutive.

Abstract Reasoning¶

Identify the carrier. State what the elements, states, objects, or observations are: the typed civil procedure and equity carrier, defining objects and relations, parameters, conventions, evidence, boundary cases, and comparison targets. Reject examples whose alleged carrier belongs to a different problem. 2.

Knowledge Transfer¶

Knowledge transfers strongly among subfields of civil procedure and equity because they reuse the typed civil procedure and equity carrier, defining objects and relations, parameters, conventions, evidence, boundary cases, and comparison targets, Deception or obstruction operates outside the issue adjudicated, deprives a party of notice or a meaningful opportunity to be heard, and thereby undermines the final judgment's procedural legitimacy., and type the carrier, state every parameter and convention in the definition, test that the jurisdiction and procedural rule, judgment and proceeding, actor and conduct, timing, notice and opportunity to participate, causal prevention of presentation, intrinsic comparison, diligence, materiality, limitations, available motion or independent action, proof standard and remedy are explicit, compare the nearest accepted identity, and report counterexamples, uncertainty, and limiting cases.

Relationships to Other Abstractions¶

Current abstraction Extrinsic fraud Domain-specific

Parents (1) — outgoing typed relations

Extrinsic fraud is a kind of Procedural Fairness (Due Process) Prime

It remains its own entry because its identity is fixed by the jurisdiction and procedural rule, judgment and proceeding, actor and conduct, timing, notice and opportunity to participate, causal prevention of presentation, intrinsic comparison, diligence, materiality, limitations, available motion or independent action, proof standard and remedy.

Hierarchy path (1) — routes to 1 parentless root

Extrinsic fraud → is a kind of Procedural Fairness (Due Process) → is a kind of Fairness → presupposes Impartiality → is a decomposition of Symmetry

Neighborhood in Abstraction Space¶

Extrinsic fraud sits in a crowded region of the domain-specific corpus (16^th percentile for distinctiveness): several abstractions share nearly its structure, so a description that fits it tends to fit its neighbors too.

Family — Legal Doctrines & Procedural Bars (7 abstractions)

Nearest neighbors

Computed from structural-signature embeddings · 2026-10-25