CHOICE OF LAW BASICS
TORTS CONFLICTS
CONTRACTS CONFLICTS
PROPERTY & FAMILY LAW
PROCEDURE vs SUBSTANCE
100

This doctrine requires a court sitting in diversity to apply state substantive law and federal procedural law.

Erie Doctrine

100

Under the traditional rule, tort law is governed by the law of this location.

Place of injury.

100

Courts generally honor this provision selecting which state’s law will govern the contract.

Choice of law clause

100

The law of this location governs interests in real property.

Law of the situs.

100

Federal courts apply this type of law under Erie.

Procedural law

200

Under the traditional approach, the law of this place governs tort cases.

Place of the injury (lex loci delicti)

200

This modern test considers factors such as where the injury occurred, domicile of parties, and place of conduct.

Most significant relationship.

200

Absent a valid choice-of-law clause, contracts are governed by the law of the state with this.

Most significant relationship 

200

This type of property is governed by the law of the owner’s domicile.

Personal property

200

Statutes of limitation are generally classified as this for Erie purposes.

Substantive

300

This modern approach applies the law of the state with the most significant relationship to the dispute.

Restatement (Second) of Conflict of Laws

300

When both parties share the same domicile, courts often apply the law of this place.

Common domicile 

300

This doctrine allows courts to disregard a choice-of-law clause if it lacks a substantial relationship.

Reasonableness requirement

300

Marriage validity is generally governed by the law of this place.

Place of celebration

300

This doctrine determines whether a state rule is substantive or procedural.

Outcome determinitive test

400

This approach weighs five policy factors including predictability and ease of application.

Governmental interest / Most significant relationship test

400

This doctrine prevents forum shopping by applying forum law only when it has a legitimate interest.

Governmental interest analysis.

400

This law typically governs issues of contract formation and validity.

Law of the place of contracting (traditional)

400

Divorce jurisdiction requires domicile in this location.

Forum state

400

Federal courts must follow state law on this issue involving judge-jury allocation.

Substantive rights

500

Courts may refuse to apply foreign law under this exception.

Public policy exception.

500

If applying another state’s law would violate fundamental justice, courts may invoke this doctrine.

Public policy exception.

500

Courts may refuse to enforce a contractual choice-of-law clause if it violates this.

Public policy

500

Custody determinations are governed by this child-focused standard.

BOIC

500

This doctrine seeks to prevent forum shopping and inequitable administration of laws.

Twin aims of Erie