The common things you can sue for in civil court fall into a short list of recurring categories: broken contracts, injuries caused by someone else’s carelessness, damage to your reputation, workplace mistreatment, property conflicts, defective products and consumer fraud, landlord-tenant disputes, and violations of your constitutional rights by government officials. Each category has its own elements you have to prove, and nearly all of them carry strict filing deadlines that can end your case before a judge ever looks at it.
Broken Contracts
A broken agreement is one of the most frequent reasons people end up in court. If two parties agree to exchange something of value and one side doesn’t follow through, the other side can sue for the financial harm. That covers a contractor who walks off a renovation, a supplier who ships the wrong product, a client who never pays a freelancer, and countless variations on the same theme.
To win, you generally need to show three things: a valid agreement existed, the other party failed to hold up their end, and that failure cost you money. The agreement doesn’t always have to be in writing, though an oral contract is harder to prove. For disputes involving the sale of goods, the Uniform Commercial Code provides a standardized framework adopted across all U.S. jurisdictions.1Legal Information Institute. Uniform Commercial Code Article 2 – Sales
One thing catches people off guard. If the other side breaks the contract, you can’t let your losses pile up. You’re expected to take reasonable steps to limit the damage, like finding a replacement supplier even at a higher price. Your lawsuit can recover the difference, but not losses you could have avoided.
Injuries Caused By Someone Else
When another person’s carelessness or reckless behavior injures you, a personal injury lawsuit can recover compensation. Car crashes, slip-and-fall accidents, dog bites, and injuries from dangerous property conditions all fit here.
Most of these claims are built on negligence. You have to prove four things: the other party owed you a duty of care, they breached it by acting carelessly, their carelessness directly caused your injury, and you suffered actual harm. Damages typically include medical bills, lost income, and compensation for pain and suffering.
Medical Malpractice
Malpractice claims follow the same negligence framework with a higher bar. You have to show the provider’s treatment fell below the accepted standard of care in their field and that the substandard care caused your injury. Expert testimony from another medical professional is almost always required. Many states also impose special pre-suit requirements, such as mandatory review panels or notice periods, before you can file.
If You Were Partly At Fault
Being partially responsible for your own injury usually doesn’t bar recovery. More than 30 states use modified comparative negligence, which reduces your compensation by your share of fault but allows recovery only if you were less than 50 or 51 percent responsible (the threshold varies). About a dozen states use pure comparative negligence, letting you recover even if you were mostly at fault, with the award shrinking accordingly. A handful of states still follow contributory negligence, under which any fault on your part blocks recovery entirely.
Damage To Your Reputation
If someone makes a false statement of fact about you that damages your reputation, you may have a defamation claim. Written defamation is called libel; spoken defamation is slander. Both require the same core elements: a false factual statement about you, communicated to at least one other person, made with some level of fault, that harmed your reputation.
How much fault you have to prove depends on who you are. Private individuals generally only need to show the defendant was negligent about whether the statement was true. Public officials and public figures must prove “actual malice,” meaning the defendant knew the statement was false or recklessly disregarded the truth.
Some false statements are treated as so inherently harmful that courts presume damage without proof of specific losses. False accusations of criminal conduct, claims that someone has a serious communicable disease, and statements attacking professional competence all fall into this “per se” category in most jurisdictions.
Workplace Mistreatment
Employment generates an enormous volume of lawsuits. The legal rules here are unusually dense, with overlapping federal statutes, mandatory agency filings, and strict procedural deadlines.
Wrongful Termination
Most U.S. employment is “at will,” meaning either side can end the relationship at any time for almost any reason. But there are exceptions. You can sue for wrongful termination if the firing violated an employment contract, if it broke a clear public policy (for example, being fired for reporting safety violations or refusing to break the law), or if your employer made promises about job security that created an implied contract. The public policy and implied contract exceptions are recognized in most states, though the specifics differ.
Discrimination And Harassment
Federal law prohibits employers from basing job decisions on protected characteristics. Title VII of the Civil Rights Act covers race, color, religion, sex, and national origin.2U.S. Equal Employment Opportunity Commission. Title VII of the Civil Rights Act of 1964 The Age Discrimination in Employment Act protects workers 40 and older.3U.S. Department of Labor. Age Discrimination The Americans with Disabilities Act prohibits discrimination against qualified individuals with disabilities and requires employers with 15 or more employees to provide reasonable accommodations.4U.S. Equal Employment Opportunity Commission. The ADA – Your Employment Rights as an Individual With a Disability Sexual harassment is treated as a form of sex discrimination under Title VII.
Before you can file a federal discrimination lawsuit, you have to file a charge with the Equal Employment Opportunity Commission first. This step is required under every major federal anti-discrimination law except the Equal Pay Act.5U.S. Equal Employment Opportunity Commission. Filing a Charge of Discrimination You generally have 180 days from the discriminatory act, or 300 days if your state has its own enforcement agency.4U.S. Equal Employment Opportunity Commission. The ADA – Your Employment Rights as an Individual With a Disability After the EEOC investigates, it issues a right-to-sue letter, and you then have 90 days to file your lawsuit.6U.S. Equal Employment Opportunity Commission. Filing a Lawsuit Missing any of these deadlines can get a strong case thrown out.
Unpaid Wages And Overtime
The Fair Labor Standards Act requires covered employers to pay at least one and a half times an employee’s regular rate for hours worked beyond 40 in a workweek.7Office of the Law Revision Counsel. 29 USC 207 – Maximum Hours Lawsuits over unpaid overtime, misclassification of workers as exempt, and minimum-wage violations are among the most frequently filed employment claims. Many state wage laws provide protections beyond the federal floor.
Property Conflicts
Disagreements over real estate and personal belongings produce a large share of civil cases. Most fall into a few recurring patterns.
Trespass claims arise when someone enters or places something on your property without permission. You don’t necessarily need to prove financial harm; the unauthorized entry itself supports a claim, though damages are typically nominal without actual loss. Property damage claims follow when someone’s carelessness or intentional act harms your real estate or belongings, with damages measured by repair cost or lost value.
Nuisance is separate. It covers unreasonable interference with your ability to use and enjoy your property, such as loud commercial operations next door, persistent odors, or flooding caused by a neighbor’s construction. Courts weigh the severity of the interference against the usefulness of the defendant’s activity and whether an average person would find it unreasonable. Boundary and ownership disputes round out the category, often requiring surveys, title searches, and sometimes a quiet title action to resolve competing claims to the same parcel.
Bad Products And Consumer Rip-Offs
When a product injures you or a business cheats you, several overlapping theories may give you grounds to sue.
Defective Products
Product liability law holds manufacturers, distributors, and retailers responsible when a defective product causes injury. Many states apply strict liability here, so you don’t have to prove the manufacturer was careless. You have to show the product was defective and the defect caused your injury. Defects fall into three categories: manufacturing defects, where the specific item was flawed in production; design defects, where the entire product line is unreasonably dangerous; and marketing defects, where inadequate warnings failed to alert you to known risks.
Broken Warranties
When a product doesn’t live up to its guarantees, warranty law provides a remedy. Written warranties on consumer products are governed federally by the Magnuson-Moss Warranty Act, which gives consumers a private right of action when a warrantor fails to honor its obligations.8Office of the Law Revision Counsel. 15 USC 2310 – Remedies in Consumer Disputes Implied warranties, which arise automatically under state law when goods are sold, protect you even when the seller makes no explicit promises. A prevailing consumer can recover attorney’s fees in addition to damages under the federal act, which makes smaller-dollar claims more viable.
Fraud And Deceptive Practices
A civil fraud claim requires proof that someone made a false statement about something important, knew it was false (or said it recklessly without caring whether it was true), intended for you to rely on it, and you did rely on it to your financial detriment. The bar is deliberately high because courts distinguish outright lies from the puffery everyone expects in sales pitches.
Every state has also enacted some form of consumer protection statute prohibiting unfair or deceptive business practices. These laws often provide advantages over a standard fraud claim: some don’t require proof that the business intended to deceive you, and many allow double or triple damages for willful violations. Specifics vary considerably by state.
Landlord And Tenant Fights
Conflicts between landlords and tenants generate a high volume of civil cases, and either side can be the plaintiff.
Tenants most commonly sue over wrongfully withheld security deposits, uninhabitable conditions (no heat, persistent mold, broken plumbing the landlord refuses to fix), and retaliation. If your landlord raises your rent, cuts off services, or tries to evict you because you complained about a code violation, that retaliatory action can itself support a lawsuit in most states. Landlords most often file eviction actions for nonpayment or lease violations and may sue departing tenants for damage beyond normal wear and tear.
Landlord-tenant law is almost entirely state-specific, and many places have specialized housing courts with their own procedures. The lease functions as a contract, so these disputes blend contract principles with statutory protections that vary widely by location.
Government Misconduct
Federal law lets you sue government officials who violate your constitutional rights while acting in their official capacity. The main vehicle is a federal statute creating a private right of action against anyone who, under color of state or local law, deprives another person of rights guaranteed by the Constitution.9Office of the Law Revision Counsel. 42 U.S. Code 1983 – Civil Action for Deprivation of Rights
In practice, these lawsuits most often target law enforcement officers for excessive force, unlawful arrests, or unreasonable searches. The statute also reaches other state and local actors: a school administrator who punishes a student for protected speech, a city official who retaliates against someone for exercising their rights, or a corrections officer who ignores a prisoner’s serious medical needs. Qualified immunity makes these cases harder to win because officials are shielded from liability unless they violated a “clearly established” constitutional right, a defense that defeats plenty of otherwise strong cases.
Watch The Filing Deadline
Every type of civil claim has a statute of limitations, a deadline for filing after the harm occurs. Miss it and the court will dismiss your case no matter how legitimate it is. The deadlines vary by state and by claim type. Personal injury suits typically carry a two-year window in most states, though some allow as little as one year. Breach of contract claims generally run four to six years. Medical malpractice deadlines tend to be shorter, often one to three years, though many states extend them when an injury isn’t discovered right away.
The clock usually starts when you know, or reasonably should have known, about the harm. For an obvious injury like a car crash, that’s the accident date. For a slowly developing illness caused by a defective product, it might not start until diagnosis. If you think you have a claim, checking your state’s deadline should be the first thing you do.
When Small Claims Court Is The Better Option
Not every dispute justifies the expense of a full lawsuit. Small claims court handles lower-dollar disputes, typically under $10,000, though the cap ranges from $2,500 to $25,000 depending on the state. The process is deliberately simplified: you usually don’t need an attorney, formal evidence rules are relaxed, and cases reach a hearing much faster than in regular civil court.
Small claims courts handle money disputes only. You generally cannot use them to force someone to do something (like finish a renovation) or to recover for pain and suffering, and you can’t split a larger claim into smaller ones to squeeze under the cap. Within those limits, small claims court is often the most practical path for collecting a bad debt, recovering a wrongfully withheld security deposit, or getting paid for minor property damage. Filing fees are modest, and many courts now allow the whole process to be handled online.