What is a class action?
A class action is a lawsuit in which one or more members of a large group sue on behalf of the whole group. It works best when everyone was harmed in the same way, like an overcharge. Personal injuries usually differ from person to person, so most injury claims are brought individually instead.
Last checked November 9, 2026 · Official sources (4)
Class action vs. your own injury claim: an example
EXAMPLE ONLY. A brand of space heater is recalled because it can overheat. Thousands of buyers join a class action asking for refunds of the $80 they paid. Each buyer lost the same $80, so one case can handle them all.
Now take Mia, whose heater caught fire and burned her hand. Her losses, $35,000 in treatment and two months off work, are hers alone. Folding her claim into a refund class would make little sense. If a notice arrives saying a class settlement will release claims, Mia may need to opt out in time to keep her own injury claim.
Why does a class action matter to someone who was hurt?
It matters mostly because of the paperwork. Class notices often arrive by mail or email and are easy to ignore. Some settlements only cover economic losses such as refunds, and the notice should say which claims are released. Read it carefully, and keep the envelope.
When many people are injured by the same drug, device or product, the cases are often grouped for pretrial work in what is called a mass tort or multidistrict litigation. Each person still keeps an individual case and an individual settlement.
What makes a class action allowed?
Federal Rule 23 and the Texas rule use the same basic test. The class must be so large that joining everyone is impracticable, there must be common questions of law or fact, and the representatives' claims must be typical of the class. Texas uses nearly identical wording. Individual differences in injuries are exactly what makes the common-question test hard to meet.
Class action vs. mass tort
In a class action, a few people represent everyone and one result binds the whole class. In a mass tort, many people file their own cases, which are managed together for efficiency but resolved one person at a time. Injury cases are much more often mass torts. If you are unsure which kind of case a notice is about, ask the lawyer or claims administrator it names.
Questions
Can I join a class action for my injury?
Sometimes, but it is uncommon. A class needs common questions of law or fact, and injuries usually differ too much from person to person.
What happens if I do nothing after getting a class notice?
You may stay in the class and be bound by the result, including any release of claims. The notice explains the deadline to opt out.
Is a class action settlement taxable or reduced by liens?
It depends on what the payment is for. Refund payments are different from injury compensation, so ask about your own situation.
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- U.S. Courts, Glossary of Legal Terms, checked 2026-11-09. “A lawsuit in which one or more members of a large group, or class, of individuals or other entities sue on behalf of the entire class.”
- U.S. Courts, Glossary of Legal Terms, checked 2026-11-09. “The district court must find that the claims of the class members contain questions of law or fact in common before the lawsuit can proceed as a class action.”
- Fed. R. Civ. P. 23(a), checked 2026-11-09. “the class is so numerous that joinder of all members is impracticable; (2) there are questions of law or fact common to the class; (3) the claims or defenses of the representative parties are typical of the claims or defenses of the class”
- Tex. R. Civ. P. 42(a), checked 2026-11-09. “One or more members of a class may sue or be sued as representative parties on behalf of all only if (1) the class is so numerous that joinder of all members is impracticable”