Private Law & Obligations
Develop expertise in contracts, torts, and property law essential for practice and MBE success
Private Law & Obligations
Master private law and obligations with free flashcards and spaced repetition practice. This lesson covers contract law, tort liability, property rights, and remediesβessential concepts for the U.S. Bar Exam's Multistate Bar Examination (MBE) and state-specific essay questions.
Welcome to Private Law & Obligations βοΈ
Private law governs relationships between individuals and entities, distinct from public law which addresses government-citizen relationships. Private law encompasses the rights and duties that arise from voluntary transactions (contracts), wrongful acts (torts), and ownership interests (property). Understanding these foundational areas is crucial for bar exam success, as they appear across multiple testing formats and combine with procedural rules in practice simulations.
π‘ Exam Context: Approximately 25% of MBE questions test Contracts, 12.5% test Torts, and property concepts appear throughout real property questions. Essay questions frequently blend these subjects with remedies and civil procedure.
Core Concepts in Private Law
1. Contract Law: Formation and Enforceability π
Contracts are legally enforceable agreements between parties. Formation requires:
| Element | Definition | Key Test |
|---|---|---|
| Offer | Manifestation of willingness to enter a bargain | Creates power of acceptance in offeree |
| Acceptance | Manifestation of assent to offer terms | Mirror image rule (common law) or Β§2-207 (UCC) |
| Consideration | Bargained-for exchange of legal value | Benefit to promisor OR detriment to promisee |
| Mutual Assent | Meeting of the minds | Objective standard: reasonable person test |
π§ Mnemonic for Contract Formation: "O.A.C.M." - Offer, Acceptance, Consideration, Mutual assent
Types of Contracts:
- Bilateral: Promise for a promise (most contracts)
- Unilateral: Promise for performance (reward offers)
- Express: Terms explicitly stated
- Implied-in-fact: Conduct manifests agreement
- Quasi-contract: Not a true contract; restitution remedy to prevent unjust enrichment
Statute of Frauds π: Certain contracts must be in writing:
- Marriage consideration
- Year+ performance impossible
- Land interest transfers
- Executor's promises
- Goods β₯ $500 (UCC Β§2-201)
- Suretyship agreements
π§ Mnemonic: "MY LEGS" - Marriage, Year, Land, Executor, Goods, Suretyship
Parol Evidence Rule: Bars prior/contemporaneous evidence contradicting a complete integrated written agreement. Exceptions allow evidence for:
- Clarifying ambiguities
- Proving fraud, duress, mistake
- Establishing condition precedent
- Showing subsequent modifications
2. Tort Law: Civil Wrongs and Liability β οΈ
Torts are civil wrongs causing harm, creating liability for damages. Three categories:
| Tort Category | Mental State | Examples |
|---|---|---|
| Intentional Torts | Purpose or substantial certainty | Battery, assault, false imprisonment, IIED, trespass, conversion |
| Negligence | Failure to exercise reasonable care | Car accidents, medical malpractice, premises liability |
| Strict Liability | No fault required | Abnormally dangerous activities, product defects, wild animals |
Negligence Elements (most tested):
βββββββββββββββββββββββββββββββββββββββββββ β NEGLIGENCE FRAMEWORK β βββββββββββββββββββββββββββββββββββββββββββ€ β β β 1οΈβ£ DUTY β D owed legal obligation β β to exercise reasonable care β β β β β 2οΈβ£ BREACH β D failed to meet β β standard of care β β β β β 3οΈβ£ CAUSATION β But-for + proximate β β cause established β β β β β 4οΈβ£ DAMAGES β P suffered actual harm β β β βββββββββββββββββββββββββββββββββββββββββββ
Standard of Care: Reasonable person under similar circumstances
- Professionals: Knowledge/skill of reasonably competent member of profession
- Children: Reasonable child of similar age, intelligence, experience (exception: adult activities)
- Common carriers/innkeepers: Heightened duty in some jurisdictions
Causation has two parts:
- Actual cause (but-for): Would harm have occurred without defendant's conduct?
- Proximate cause: Foreseeable consequence within scope of liability
Defenses to Negligence:
- Contributory negligence: Complete bar (minority jurisdiction)
- Comparative negligence: Reduces recovery by P's fault % (majority)
- Pure: P recovers even if 99% at fault
- Modified: P recovers only if β€50% (or <50%) at fault
- Assumption of risk: P voluntarily encountered known risk
3. Property Rights: Ownership and Transfer ποΈ
Property refers to legally protected interests in things. Two main categories:
Real Property (land and fixtures):
- Fee simple absolute: Complete ownership, unlimited duration
- Life estate: Ownership for life, reverts or remains to another
- Easement: Right to use another's land for specific purpose
- Covenant: Promise regarding land use (runs with the land if requirements met)
- Adverse possession: Acquiring title through continuous, open, hostile possession for statutory period
Personal Property (movable items):
- Gift: Voluntary transfer requiring intent, delivery, acceptance
- Bailment: Rightful possession without ownership (parking garage, dry cleaning)
- Conversion: Serious interference with owner's possessory rights
- Finders: Rights depend on type of property and location found
Estates in Land Timeline:
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ β PRESENT ESTATES β ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ€ β β β Fee Simple Absolute: ββββββββββββββββββββββββββββββββΆ β β "To A" (infinite duration) β β β β Life Estate: ββββββββββββββββ β β "To A for life" (A's life) β β β βΌ β β Remainder/Reversion: ββββββββββββββββββΆβ β "then to B" (B takes after A dies) β β β β Fee Simple Defeasible: ββββββββββββββ β β "To A, but if X occurs" β β β (ends on βΌ β β condition) β² reverts β β β ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
4. Remedies: Making the Injured Party Whole π°
Legal Remedies (damages - monetary compensation):
| Damage Type | Purpose | Measure |
|---|---|---|
| Compensatory | Make plaintiff whole | Actual losses proven |
| Consequential | Foreseeable indirect losses | Lost profits, related costs |
| Nominal | Vindicate rights | Token amount ($1) |
| Punitive | Punish/deter egregious conduct | Multiplier of compensatory |
| Liquidated | Pre-agreed reasonable estimate | Contract provision amount |
Equitable Remedies (court orders specific action):
- Specific performance: Court orders defendant to perform contract (land sales, unique goods)
- Injunction: Court orders defendant to do/stop doing something
- Preliminary: Temporary relief pending trial
- Permanent: Final relief after judgment
- Mandatory: Requires action
- Prohibitory: Prevents action
- Rescission: Unwinds contract, restores status quo ante
- Reformation: Corrects writing to match parties' agreement
- Restitution: Prevents unjust enrichment
Requirements for Equitable Relief:
- Inadequate legal remedy: Money damages insufficient
- Feasibility: Court can supervise performance
- Mutuality: Both parties must be bound (traditional rule, relaxed)
- Definiteness: Terms sufficiently clear
- Clean hands: Plaintiff acted fairly
π€ Did you know? The distinction between legal and equitable remedies traces to medieval England's dual court system: Courts of Law (damages) and Courts of Chancery (equity). Though merged in modern American courts, the distinction affects jury trial rightsβlegal claims have 7th Amendment jury rights, equitable claims don't.
5. Obligations: Sources of Legal Duties π
Obligations arise from various sources:
SOURCES OF OBLIGATIONS
βββββββββββββββββββββββββββββββββββ
β β
β π CONTRACT β
β (voluntary agreement) β
β β Duty to perform promises β
β β
βββββββββββββββββββββββββββββββββββ€
β β
β β οΈ TORT β
β (wrongful act) β
β β Duty not to harm others β
β β
βββββββββββββββββββββββββββββββββββ€
β β
β ποΈ PROPERTY β
β (ownership/possession) β
β β Duty to respect others' rightsβ
β β
βββββββββββββββββββββββββββββββββββ€
β β
β πΌ QUASI-CONTRACT β
β (unjust enrichment) β
β β Duty to restore benefits β
β β
βββββββββββββββββββββββββββββββββββ€
β β
β π STATUTE/REGULATION β
β (legal mandate) β
β β Duty imposed by law β
β β
βββββββββββββββββββββββββββββββββββ
Privity traditionally limited who could enforce obligations:
- Contract privity: Only parties to contract could sue (exceptions: third-party beneficiaries, assignments)
- Tort privity: Historically limited product liability (now abolished for strict products liability)
- Property privity: Connected through successive ownership (for covenants running with land)
Examples with Detailed Explanations
Example 1: Contract Formation Issue π
Scenario: Restaurant owner emails supplier: "I'll buy 100 lbs of salmon weekly at $15/lb for next 6 months." Supplier responds: "Agreed, but price is $16/lb." Restaurant owner receives first shipment and uses it without objection. Is there a contract?
Analysis:
| Step | Legal Issue | Conclusion |
|---|---|---|
| 1 | Offer? | Yes - restaurant made definite proposal |
| 2 | Acceptance? | No - supplier's response is counteroffer (changed price term) |
| 3 | New offer? | Yes - supplier's $16/lb counteroffer |
| 4 | Acceptance by conduct? | Yes - restaurant accepted delivery and used goods (UCC Β§2-206) |
| 5 | Terms? | Supplier's terms ($16/lb) govern |
Result: Contract formed at $16/lb when restaurant accepted performance. Under UCC Β§2-207, between merchants, additional/different terms in acceptance may become part of contract, but here the price change is material, so original offer lapsed and counteroffer controls.
π‘ Bar Exam Tip: Common law applies strict mirror image rule (acceptance must match offer exactly). UCC Β§2-207 is more flexible for sales of goods, but material alterations still prevent acceptance.
Example 2: Negligence with Multiple Causes π
Scenario: Driver runs red light and hits pedestrian who was jaywalking while texting. Pedestrian suffers $100,000 in injuries. Jurisdiction uses pure comparative negligence. Jury finds driver 70% at fault, pedestrian 30% at fault. What can pedestrian recover?
Analysis:
| Element | Analysis |
|---|---|
| Duty | β Driver owes duty to exercise reasonable care toward pedestrians |
| Breach | β Running red light breaches reasonable care standard |
| Causation | β But-for driver running light, collision wouldn't occur (actual cause) β Foreseeable that running light causes pedestrian injury (proximate cause) |
| Damages | β $100,000 proven injuries |
| Defenses | Contributory negligence: Pedestrian's jaywalking/texting is negligent |
Calculation under pure comparative negligence:
- Total damages: $100,000
- Pedestrian's fault: 30%
- Recovery: $100,000 Γ (100% - 30%) = $70,000
Alternate outcomes in different systems:
- Contributory negligence (AL, DC, MD, NC, VA): $0 recovery (complete bar)
- Modified comparative (50% bar): $70,000 recovery (pedestrian under 50% threshold)
- Modified comparative (51% bar): $70,000 recovery (pedestrian under 51% threshold)
π‘ Practice Pointer: Always identify the jurisdiction's negligence system. It drastically changes outcomes when plaintiff shares fault.
Example 3: Property Transfer and Adverse Possession π‘
Scenario: Andy builds fence 3 feet into neighbor Bonnie's property in 2010 (genuine surveying mistake). Andy maintains lawn, plants garden in enclosed area. Bonnie lives abroad, visits once/year, never objects. In 2023, Bonnie discovers error, demands Andy remove fence. State has 10-year adverse possession statute. Who owns the disputed strip?
Adverse Possession Requirements (mnemonic: C.O.A.H.):
| Element | Requirement | Met? |
|---|---|---|
| Continuous | Uninterrupted for statutory period | β 2010-2023 (13 years) |
| Open/Notorious | Visible, obvious to owner | β Fence, lawn, garden visible |
| Actual | Physical occupation | β Fenced, maintained, used |
| Hostile | Without permission | β No license from Bonnie |
| (E)xclusive | Not sharing with owner/public | β Only Andy used area |
Majority rule on "hostile": Objective testβdoesn't matter that Andy believed he owned it (good faith irrelevant). Minority jurisdictions require good faith belief of ownership.
Result: Andy likely acquired title by adverse possession after 10 years (2020). Bonnie's absence doesn't stop clock unless she was legally disabled (minor, imprisoned, mentally incompetent) when possession began.
β οΈ Common Mistake: Students think "hostile" means aggressive intent. It simply means without the owner's permission, regardless of possessor's state of mind.
Example 4: Remedy Selection in Contract Breach πΌ
Scenario: Seller contracts to sell unique antique piano to Buyer for $50,000. Before delivery, Seller gets better offer and refuses to perform. Buyer demands specific performance. Should court grant it?
Remedy Analysis:
ββββββββββββββββββββββββββββββββββββββββββββββββ
β SPECIFIC PERFORMANCE DECISION TREE β
ββββββββββββββββββββββββββββββββββββββββββββββββ
Is there a valid contract? βββ YES
β
β
Are damages adequate? βββββββββ NO
β (unique item)
β
Is performance feasible? ββββββ YES
β (simple delivery)
β
Are terms definite? βββββββββββ YES
β (price, item clear)
β
Clean hands? ββββββββββββββββββ YES
β (buyer proper)
β
β
GRANT SPECIFIC PERFORMANCE
Analysis:
- Inadequate legal remedy: Damages won't compensate because piano is unique (no substitute available)
- Feasibility: Court can supervise simple delivery (unlike personal service contracts)
- Definiteness: Terms clear (specific piano, price)
- Mutuality: Not required in modern law (buyer couldn't be forced to buy, but seller can be forced to sell)
- Clean hands: No evidence buyer acted improperly
Result: Court should grant specific performance. Real estate and unique goods are classic cases for equitable relief.
Alternative scenario: If piano were mass-produced model, damages would be adequate (cover price minus contract price), so specific performance denied.
Common Mistakes to Avoid β οΈ
1. Confusing consideration with conditions
- β Wrong: "The condition for the contract is payment."
- β Right: "Payment is the consideration. Delivery by December 31 is a condition."
- Explanation: Consideration is what each party exchanges to form the contract. A condition is an event that must occur before performance is due.
2. Applying wrong causation standard
- β Wrong: "But-for cause exists, so defendant is liable."
- β Right: "Both but-for (actual) and proximate (foreseeable) causation required."
- Explanation: Actual cause alone isn't enoughβharm must be foreseeable consequence within scope of liability.
3. Misunderstanding "hostile" in adverse possession
- β Wrong: "Andy was friendly with Bonnie, so possession wasn't hostile."
- β Right: "Hostile means without permission, regardless of relationship."
- Explanation: Subjective feelings irrelevant; objective possession without owner's consent satisfies hostility.
4. Forgetting to reduce comparative negligence
- β Wrong: "Plaintiff proved $50,000 damages and defendant breached duty, so plaintiff gets $50,000."
- β Right: "Plaintiff gets $50,000 minus their percentage of fault in comparative negligence jurisdictions."
- Explanation: Always check if plaintiff's conduct contributed to harm and apply jurisdiction's comparative/contributory system.
5. Assuming specific performance is always available
- β Wrong: "Defendant breached, so plaintiff can choose specific performance or damages."
- β Right: "Specific performance only available when damages inadequate and equitable requirements met."
- Explanation: Specific performance is extraordinary relief, not automatic. Money damages are the default remedy.
6. Missing statute of frauds issues
- β Wrong: "Valid oral contract for land sale."
- β Right: "Land contracts must be in writing under statute of frauds (with limited exceptions)."
- Explanation: MY LEGS contracts unenforceable without writing or recognized exception (part performance, estoppel).
7. Confusing privity requirements across subjects
- β Wrong: "Third party can't sue because no privity."
- β Right: "Check specific privity rulesβcontract law requires relationship, but modern tort law eliminated privity for product defects."
- Explanation: Privity operates differently in contracts (generally required except third-party beneficiaries) versus torts (abolished for strict products liability).
Key Takeaways π―
β Contracts require O.A.C.M.: Offer, Acceptance, Consideration, Mutual assentβall must be present for formation
β Negligence has four elements: Duty, Breach, Causation (actual + proximate), Damagesβmemorize and apply systematically
β Property rights exist in bundles: Ownership isn't absolute; it's a collection of rights (possess, use, transfer, exclude)
β Remedies depend on adequacy: Money damages are default; equitable relief requires showing damages won't suffice
β Comparative vs. contributory: Know your jurisdictionβplaintiff's fault may reduce recovery or bar it entirely
β Statute of frauds applies to MY LEGS: Marriage, Year+, Land, Executor, Goods $500+, Suretyshipβwriting required
β Adverse possession needs C.O.A.H.: Continuous, Open/notorious, Actual, Hostile (+ exclusive) for statutory period
β UCC differs from common law: Different rules for sale of goodsβΒ§2-207 modifies mirror image rule, Β§2-201 has special statute of frauds provisions
β Causation has two parts: But-for test (actual cause) AND foreseeability (proximate cause)βboth required
β Privity rules vary by context: Contract privity still matters; tort privity mostly abolished; property privity relevant for covenants
π Further Study
For deeper exploration of private law topics:
American Law Institute - Restatements: https://www.ali.org/publications/ (Official restatements of contract, tort, property law reflecting majority rules)
Cornell Legal Information Institute - Wex: https://www.law.cornell.edu/wex (Free legal dictionary with detailed explanations of private law concepts)
National Conference of Bar Examiners - MBE Subject Outlines: https://www.ncbex.org/exams/mbe/ (Official content outline showing tested topics and subtopics)
π Quick Reference Card: Private Law Essentials
| Topic | Key Rule | Memory Aid |
|---|---|---|
| Contract Formation | Offer + Acceptance + Consideration + Mutual Assent | O.A.C.M. |
| Statute of Frauds | Marriage, Year+, Land, Executor, Goods $500+, Suretyship | MY LEGS |
| Negligence | Duty β Breach β Causation β Damages | 4 elements, all required |
| Causation | Actual (but-for) + Proximate (foreseeable) | Two separate tests |
| Comparative Negligence | Reduce recovery by plaintiff's fault % | Pure vs. modified (50% or 51% bar) |
| Adverse Possession | Continuous, Open, Actual, Hostile, Exclusive | C.O.A.H.(E) |
| Specific Performance | Granted when damages inadequate (unique goods, land) | Equitable remedy, not default |
| Damage Types | Compensatory, consequential, nominal, punitive, liquidated | Legal remedies (money) |
| UCC vs. Common Law | UCC for goods; common law for services/land | Different formation rules |
| Parol Evidence | Bars prior/contemporaneous evidence contradicting integrated writing | Exceptions: ambiguity, fraud, condition precedent |
π― Bar Exam Strategy: Always issue-spot systematically. For contracts, check formation β defenses β performance β breach β remedies. For torts, check duty β breach β causation β damages β defenses. For property, identify estate type and applicable rules.