Study guide

Federalism, Supremacy, Preemption, the Dormant Commerce Clause, and Privileges & Immunities

California Bar Exam Exam

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1 Exam Format and Core Skills

California Bar Exam Blueprint: Subjects, Components, and Recent Changes Exam Format, Scoring, and the 1390 Passing Score Essay Strategy: Issue Spotting and IRAC Core Written Skills and Timing Strategy

2 Civil Procedure

Subject Matter Jurisdiction: Federal Question, Diversity, Supplemental, Removal Personal Jurisdiction, Long-Arm, Minimum Contacts, and Service of Process Venue, Transfer, and Forum Non Conveniens The Erie Doctrine and Choice of Law Pleadings, Rule 11, Amendments, and California Demurrers / Anti-SLAPP Joinder of Claims and Parties, Impleader, Intervention, Interpleader Class Actions (Rule 23 and California) Discovery: Scope, Devices, Privilege, and Sanctions Pretrial Adjudication: Dismissals, Default, and Summary Judgment Trial, Jury, Judgment as a Matter of Law, and Post-Trial Motions Appeals, the Final Judgment Rule, and Claim/Issue Preclusion

3 Constitutional Law

Judicial Review, Justiciability, Standing, Ripeness, Mootness, and Political Questions Federal Legislative Power: Commerce, Taxing & Spending, and the Tenth and Eleventh Amendments Separation of Powers: Executive, Legislative, and Judicial Authority Federalism, Supremacy, Preemption, the Dormant Commerce Clause, and Privileges & Immunities State Action and Congressional Enforcement of the Reconstruction Amendments Procedural Due Process Substantive Due Process and Fundamental Rights Equal Protection and Levels of Scrutiny First Amendment: Speech, Press, Forums, and Association First Amendment Religion Clauses and the Takings Clause

4 Contracts

Applicable Law: Common Law vs. UCC Article 2 and Mixed Contracts Mutual Assent: Offer, Acceptance, Mailbox Rule, and UCC 2-207 Consideration, Bargained-for Exchange, and Promissory Estoppel Defenses to Formation: Capacity, Mistake, Misrepresentation, Duress, Unconscionability The Statute of Frauds Parol Evidence Rule and Contract Interpretation Conditions and Performance: Express, Constructive, and Substantial Performance Breach, Anticipatory Repudiation, and the Perfect Tender Rule Excuse of Performance: Impossibility, Impracticability, and Frustration UCC Warranties and Risk of Loss Third-Party Beneficiaries, Assignment, and Delegation Contract Remedies and UCC Buyer/Seller Remedies

5 Criminal Law and Procedure

Actus Reus, Mens Rea, Concurrence, and Causation Accomplice Liability and Parties to Crime Inchoate Crimes: Attempt, Conspiracy, and Solicitation Homicide: Murder, Manslaughter, Felony Murder, and California Degrees Other Crimes Against the Person: Assault, Battery, Kidnapping, and Sex Offenses Property and Theft Crimes: Larceny, Embezzlement, Robbery, Burglary, Arson Criminal Defenses: Insanity, Intoxication, Self-Defense, Duress, Necessity, Mistake Fourth Amendment: Searches, Seizures, Warrants, and Exceptions The Exclusionary Rule, Standing, and Fruit of the Poisonous Tree Fifth Amendment: Miranda, Self-Incrimination, and Double Jeopardy Sixth Amendment: Right to Counsel, Confrontation, Speedy Trial, and Jury Pretrial Identifications, the Eighth Amendment, and Trial Rights

6 Evidence

Relevance: Logical and Legal, Rule 403, and California Proposition 8 Policy-Based Exclusions: Subsequent Remedial Measures, Settlements, Insurance, Pleas Authentication and the Best Evidence Rule Witness Competency, Personal Knowledge, and Examination Impeachment of Witnesses Lay and Expert Opinion Testimony (Daubert and California Kelly/Sargon) Character Evidence and Other Acts (MIMIC) Habit and Methods of Proving Character Hearsay: Definition, Non-Hearsay, and Exemptions Hearsay Exceptions: Availability Immaterial (FRE 803) Hearsay Exceptions Requiring Unavailability (FRE 804) and the Confrontation Clause Privileges, Judicial Notice, and Presumptions (Federal and California)

7 Real Property

1.1 Estates in Land 1.2 Future Interests 1.3 Rule Against Perpetuities 1.4 Concurrent Ownership 1.5 Landlord-Tenant Law 1.6 Easements and Servitudes 1.7 Covenants Running with Land 1.8 Recording Acts and Title 1.9 Mortgages 1.10 Land Use Regulation Adverse Possession and Rights Incident to Ownership Land Sale Contracts, Marketable Title, and Risk of Loss Deeds, Delivery, Warranties of Title, and Fixtures

8 Torts

Intentional Torts Against the Person: Battery, Assault, False Imprisonment, IIED Intentional Torts to Property and Defenses/Privileges Negligence: Duty and the Standard of Care Negligence: Breach, Res Ipsa Loquitur, and Negligence Per Se Causation: Actual and Proximate Cause Negligence Damages and Defenses: Comparative Fault and Assumption of Risk Strict Liability: Animals and Abnormally Dangerous Activities Products Liability Private and Public Nuisance Defamation Invasion of Privacy, Misrepresentation, and Economic Torts Vicarious Liability, Joint Tortfeasors, and Immunities

9 Business Associations

Agency: Formation, Actual and Apparent Authority, and Ratification Agency: Principal/Agent Duties, Respondeat Superior, and Tort Liability General Partnerships: Formation, Rights, and Partnership Property Partnership Liability, Fiduciary Duties, Dissociation, and Dissolution Limited Partnerships, LLPs, and LLCs Corporations: Formation, Promoters, and Piercing the Corporate Veil Corporate Finance: Stock, Securities, Dividends, and Distributions Directors and Officers: Fiduciary Duties, the Business Judgment Rule, and Indemnification Shareholders, Derivative Suits, Fundamental Changes, and Federal Securities (10b-5, 16(b))

10 Community Property

General Principles, the Community Estate, and Marital Economic Community Characterization: Separate vs. Community Property and Presumptions Tracing and Commingling (Exhaustion and Direct Tracing) Transmutation and Premarital/Marital Agreements Special Assets: Businesses (Pereira/Van Camp), Goodwill, Education, Pensions, Disability Management, Control, and Spousal Fiduciary Duties Debts and Creditors' Rights Distribution at Dissolution and Death; Quasi-Community Property

11 Professional Responsibility

Regulation of the Profession, Admission, and Discipline (California Rules vs. ABA Model Rules) Competence, Diligence, Communication, and Scope of Representation Confidentiality and Its Exceptions (California vs. ABA) Conflicts of Interest: Current Clients Conflicts: Former Clients, Imputation, and Business Transactions Fees, Client Trust Accounts (IOLTA), and Safekeeping Property Duties to the Court and Third Parties: Candor, Advocacy, and Fairness Forming, Declining, and Terminating the Attorney-Client Relationship Advertising, Solicitation, and the Unauthorized Practice of Law Judicial Ethics, Reporting Misconduct, and Special Prosecutor Duties

12 Remedies

Compensatory Damages: Causation, Foreseeability, Certainty, and Mitigation Punitive, Nominal, and Liquidated Damages Restitution and Unjust Enrichment Constructive Trust and Equitable Lien Injunctions: Temporary Restraining Orders, Preliminary, and Permanent Specific Performance Reformation, Rescission, and Cancellation Equitable Defenses, Declaratory Relief, and Remedy Selection

13 Trusts

Trust Creation, Required Elements, and Types of Trusts Charitable Trusts, Cy Pres, and the Rule Against Perpetuities in Trusts Trustee Powers and Trust Administration Trustee Duties: Loyalty, Prudent Investor, and Impartiality Beneficiary Rights and Principal/Income Allocation Spendthrift, Discretionary, and Support Trusts; Creditors' Rights Modification and Termination of Trusts Breach of Trust, Remedies, and Will Substitutes (Totten, POD, Revocable Trusts)

14 Wills and Succession

Intestate Succession and California Distribution Will Execution and Formalities (Attested and Holographic; California) Testamentary Capacity, Undue Influence, Fraud, Duress, and Mistake Will Components: Integration, Incorporation, Acts of Independent Significance, and Pour-Over Revocation, Revival, and Dependent Relative Revocation Lapse, Anti-Lapse, Class Gifts, Ademption, Abatement, and Exoneration Protection of the Family: Omitted Spouse and Child, Pretermitted Heirs Will Contests, Standing, and No-Contest Clauses Probate Administration, Powers of Appointment, and Will Substitutes

15 Performance Test

The Performance Test: Task Memo, File, and Library Objective PT Products: Memos, Briefs, and Client Letters Persuasive PT Products and 90-Minute Execution

Federalism, Supremacy, Preemption, the Dormant Commerce Clause, and Privileges & Immunities

Key Takeaways Explain This Topic AI

The Supremacy Clause makes valid federal law supreme; preemption may be express, field, or conflict (impossibility or obstacle) preemption.

The Dormant Commerce Clause bars state laws that discriminate against or unduly burden interstate commerce even where Congress has not acted.

A state law that facially discriminates against interstate commerce is almost per se invalid unless it serves a legitimate local purpose with no nondiscriminatory alternative; nondiscriminatory laws get the Pike balancing test.

The market-participant exception lets a state favor its own residents when the state is buying or selling rather than regulating.

The Privileges and Immunities Clause of Article IV bars discrimination against out-of-state citizens regarding fundamental rights (livelihood) and does not protect corporations or aliens.

Last updated: June 2026

The Presumption Against Preemption and Reading the Statute

Before cataloging the types of preemption, fix the analytic starting point: because the states are independent sovereigns, courts apply a presumption against preemption in fields the states have traditionally occupied (health, safety, family law, property). The 'ultimate touchstone' of every preemption case is congressional intent , gathered from the statute's text and structure. A federal savings clause that expressly preserves state remedies cuts strongly against preemption, while an express preemption clause is read no more broadly than its language requires.

Keep separate the question of Congress's power to preempt (it plainly has it under the Supremacy Clause whenever acting within an enumerated power) from the question of whether it actually intended to displace the particular state law before you. Most exam errors here come from assuming preemption follows automatically from the mere existence of overlapping federal regulation; it does not — overlap alone is not conflict, and a state may often regulate alongside or more stringently than the federal floor.

Supremacy and the Three Types of Preemption

The Supremacy Clause (Article VI) makes the Constitution, federal statutes, and treaties the 'supreme Law of the Land,' binding state judges notwithstanding contrary state law. When state and federal law collide, federal law preempts. There are three preemption theories:

Express preemption — a federal statute expressly states that it displaces state law. Courts read express preemption clauses narrowly, with a presumption against preemption in fields traditionally regulated by states.

Field preemption — Congress intends to occupy an entire field, inferred from a pervasive federal regulatory scheme or a dominant federal interest (e.g., immigration, nuclear safety, foreign affairs). State law in the field is displaced even without an actual conflict.

Conflict preemption , which has two branches: impossibility preemption (it is impossible to comply with both federal and state law simultaneously) and obstacle preemption (state law stands as an obstacle to accomplishing the full purposes and objectives of Congress).

A classic MBE trap: a state law that sets a higher standard than a federal floor is usually not preempted unless the federal scheme intends uniformity or a ceiling. Conversely, a state law that frustrates a deliberate federal balance is preempted under the obstacle theory. Always anchor preemption in congressional intent .

The Dormant Commerce Clause

Even when Congress has not legislated, the Commerce Clause has a 'dormant' or negative aspect that restrains states from burdening interstate commerce. The analysis turns first on discrimination :

State Law Character Standard

Facially discriminates against out-of-state commerce (protectionist) Virtually per se invalid ; survives only if it serves a legitimate, non-economic local purpose (e.g., health/safety) with no less-discriminatory alternative

Nondiscriminatory but burdens interstate commerce Pike balancing : invalid if the burden on interstate commerce is clearly excessive relative to the putative local benefits

Philadelphia v. New Jersey struck a ban on importing out-of-state waste as facial economic protectionism. Pike v. Bruce Church supplies the balancing test for evenhanded regulations. Two key exceptions allow otherwise-invalid discrimination:

Market participant — when the state itself buys or sells (e.g., a state-owned cement plant favoring residents, or a state university charging lower in-state tuition), it may favor its own citizens because it acts as a participant, not a regulator.

Congressional consent — Congress may authorize state laws that would otherwise violate the Dormant Commerce Clause, because the commerce power is Congress's to share.

Note also that subsidies to local businesses funded from general revenue are generally permissible, whereas discriminatory taxes are not.