What Is a Class Action Lawsuit? Plain-English Guide

A class action lawsuit is a case where many people with the same injury sue a company together as a group. One lawsuit, one settlement fund, shared payouts — instead of every person suing separately.

Last verified: 2026-06-24 — 3,196 active class actions currently tracked.

How it works, step by step

1. Someone files a lawsuit claiming they were harmed by a company on behalf of everyone similarly harmed.
2. A judge certifies the class — decides that the people are similar enough that one case can represent them all.
3. Class notice goes out — affected people are notified by mail, email, or advertising, with an opt-out deadline.
4. Settlement or trial — most class actions settle. The defendant pays a lump sum into a settlement fund.
5. Claims period opens — class members submit a claim form (usually simple, no lawyer needed) before the deadline.
6. Payouts — the settlement fund (minus attorney fees of 25-33%) is divided among everyone who filed a valid claim.

Why payouts are sometimes small

Class actions often involve millions of eligible people. A $50M settlement split among 5 million claimants is $10 each. But many people never file — the actual claim rate is typically 1-5% of eligible class members, which means those who do file receive more.

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Types of class actions

Frequently asked questions

What is a class action lawsuit?

A class action lawsuit is a legal case where a large group of people with the same injury or claim sue a defendant together as a single "class." One lawsuit, one verdict, shared settlement — instead of thousands of individual suits.

How much does it cost to join a class action?

Nothing. Class members pay nothing unless money is recovered. Attorney fees (typically 25-33%) come from the settlement fund, not from class members.

Do I need a lawyer to join a class action?

No. Class members simply file a claim form — no lawyer required. The class lawyers handle the case on behalf of everyone in the class.

What happens if I do nothing?

If you take no action, you remain a class member but receive no money and waive your right to sue separately. The deadline to file a claim is strictly enforced — late claims are almost always rejected.

What is a cy pres award?

When unclaimed settlement funds remain after all claims are paid, the court may award them to a charity or nonprofit (a "cy pres" distribution) rather than returning them to the defendant. This is why filing your claim matters: every claim reduces the unclaimed pool.

This is a free informational database, not a law firm, not legal advice, and not a lawyer referral service. ← Browse all class actions  ·  Start a class action →