10.1 Legal and Equitable Actions, Causes of Action, Parties & Special Procedures
Key Takeaways
- NALS lists legal and equitable actions, cause of action, right to action and remedy, parties, and special procedures as five separate Civil Procedure topics in Part 4.
- A cause of action is the set of facts giving rise to an enforceable claim; the right of action is the entitlement of a particular person to sue on it; the remedy is what the court can award.
- A claim accrues when the plaintiff suffers injury and, under the discovery rule, when a reasonable plaintiff would have discovered it, which starts the limitations clock.
- Real party in interest, capacity, and standing are three distinct requirements, and a plaintiff can satisfy one while failing another.
- Joinder rules distinguish permissive parties from necessary parties who should be joined and indispensable parties whose absence requires dismissal.
10.1 Legal and Equitable Actions, Causes of Action, Parties & Special Procedures
[!NOTE] NALS PP Exam Blueprint Focus: Under Part 4, Advanced Substantive Law, the Legal Procedure heading opens its Civil Procedure list with legal and equitable actions; cause of action, right to action, and remedy; parties; special procedures; and rules of civil procedure. These precede the pleading topics because they determine what can be pleaded and by whom.
Legal and Equitable Actions
Every American jurisdiction has merged law and equity procedurally — one civil action, one set of rules. The substantive distinction survives in two places that matter operationally.
| Action at law | Suit in equity | |
|---|---|---|
| Relief | Money damages | Injunction, specific performance, rescission, reformation, constructive trust, accounting, quiet title |
| Precondition | None | The remedy at law must be inadequate |
| Decision-maker | Jury, on demand | The court |
| Time bar | Statute of limitations | Laches — unreasonable delay causing prejudice |
| Equitable defenses | Not generally available | Unclean hands, laches, estoppel |
The inadequacy requirement is the gatekeeper. A buyer suing over a fungible commodity gets damages, because substitute goods are purchasable. A buyer suing over a unique parcel of land gets specific performance, because no substitute exists. Real property is treated as unique by definition, which is why specific performance is the ordinary remedy in a land sale contract.
Cause of Action, Right of Action & Remedy
Three concepts that a careless summary collapses into one.
| Concept | Definition | Failure mode |
|---|---|---|
| Cause of action | The set of operative facts giving rise to a legally enforceable claim | Facts do not satisfy every element; dismissal for failure to state a claim |
| Right of action | The entitlement of a particular person to bring suit on that cause | The right claimant did not sue; the claim was assigned; no private right of action exists under the statute |
| Remedy | What the court can actually award | The claim is proved but the requested relief is unavailable |
Each cause of action has elements. Negligence: duty, breach, causation, damages. Breach of contract: a valid contract, performance or excuse by the plaintiff, breach by the defendant, resulting damages. A complaint must plead facts supporting every element; a missing element is fatal no matter how compelling the remaining facts.
The right of action question arises constantly under statutes. A regulatory statute may impose a duty and provide for agency enforcement without creating a private right of action, in which case a private plaintiff has no entitlement to sue on it at all.
Remedies divide into three families:
| Family | Purpose | Examples |
|---|---|---|
| Legal | Compensate | Compensatory damages, consequential damages, nominal damages, punitive damages |
| Equitable | Compel or prevent conduct, or restore | Injunction, specific performance, rescission, reformation, constructive trust |
| Restitutionary | Prevent unjust enrichment | Quantum meruit, disgorgement, money had and received |
Accrual and Limitations
A cause of action accrues when the plaintiff has a complete and present right to sue — ordinarily when injury occurs. Three modifications matter:
- Discovery rule — accrual is deferred until the plaintiff knew or reasonably should have known of the injury and its cause. Standard in medical malpractice, latent-defect, and fraud cases.
- Tolling — the clock pauses for minority, incapacity, the defendant's absence from the state, or fraudulent concealment.
- Statute of repose — an outer limit measured from a fixed event, such as substantial completion of construction or first sale of a product, that can extinguish a claim before the plaintiff ever discovers the injury.
A paralegal calendaring a new matter records the accrual date, the limitations period, any applicable repose period, and any pre-suit notice requirement, and then calendars a working deadline meaningfully before the true bar date.
Parties: Three Separate Requirements
| Requirement | Question | Example of failure |
|---|---|---|
| Real party in interest | Does this plaintiff own the claim? | A subrogated insurer paid the loss, so the insured no longer owns the claim it filed |
| Capacity | Can this person or entity sue or be sued in this name? | A minor must sue through a guardian or next friend; an unregistered entity may lack capacity |
| Standing | Does this plaintiff have a concrete, particularized injury that is traceable and redressable? | A generalized grievance shared with the public at large |
All three must be satisfied. A plaintiff can own a claim (real party in interest) and still lack capacity to bring it in the name used.
Party terminology
| Role | Ordinary civil action | Special proceeding | Appeal |
|---|---|---|---|
| Initiating party | Plaintiff | Petitioner | Appellant |
| Responding party | Defendant | Respondent | Appellee |
Other designations: third-party plaintiff and third-party defendant (impleader), cross-claimant and cross-defendant (claims between co-parties), intervenor, garnishee, guardian ad litem, next friend.
Joinder
| Category | Standard | Consequence |
|---|---|---|
| Permissive joinder | Claims arise from the same transaction or occurrence and share a common question | Parties may be joined |
| Required (necessary) party | Complete relief is impossible without them, or their absence impairs their interest or exposes an existing party to inconsistent obligations | Must be joined if feasible |
| Indispensable party | A required party who cannot be joined, and in equity and good conscience the action cannot proceed without them | Dismissal |
Impleader brings in a third party who may be liable to the defendant for all or part of the plaintiff's claim — the classic indemnity or contribution posture. Interpleader lets a stakeholder holding property claimed by several parties deposit it with the court and step out.
Special Procedures
| Procedure | Purpose | Distinguishing feature |
|---|---|---|
| Class action | One or more representatives litigate for a class | Requires numerosity, commonality, typicality, and adequacy, plus a further category showing |
| Derivative action | A shareholder sues on the corporation's behalf | Requires demand on the board or a showing that demand is futile |
| Declaratory judgment | Declares rights before breach | Requires an actual, ripe controversy — not an advisory opinion |
| Interpleader | Resolves competing claims to a single fund | The stakeholder deposits and is discharged |
| Consolidation | Tries related cases together | Cases retain separate identities |
| Severance | Separates claims or parties for trial | Prevents prejudice from joined claims |
| Small claims | Streamlined low-value disputes | Simplified pleading; counsel sometimes limited |
| Summary or expedited proceedings | Fast statutory tracks | Eviction, replevin, garnishment |
| Special proceedings | Statutory non-ordinary actions | Probate, guardianship, adoption, name change |
[!TIP] The intake habit that prevents most party defects: before drafting a complaint, write down for each proposed plaintiff (1) who owns the claim, (2) whether that person or entity can sue in the name proposed, and (3) what concrete injury that plaintiff personally suffered. Three lines per party will surface a real-party-in-interest or capacity problem before it becomes a motion to dismiss.
A homeowner's insurer pays the full fire loss and takes a subrogation assignment of the homeowner's claim against the contractor. The homeowner nonetheless files suit against the contractor in the homeowner's own name. What defect does the complaint have?
A buyer contracts to purchase a specific commercial parcel, and the seller refuses to close. The buyer seeks specific performance. What must the buyer establish for the equitable remedy, and who decides?
A bank holds $240,000 in a deposit account claimed by three parties: the named accountholder, a judgment creditor with a garnishment, and an estate asserting the funds belong to a decedent. Which special procedure lets the bank resolve its exposure?