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How to File a Class Action Lawsuit

A class action lets one lawsuit resolve many nearly identical claims at once. Filing one is not like filing an ordinary case — the court has to certify the class first, and that requirement decides most of these cases before the merits are ever reached.

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Certification is the real hurdle

Anyone can file a complaint styled as a class action, but it does not function as one until a judge certifies the class. Certification requires four things: the class is too numerous for practical joinder; there are questions of law or fact common to the class; the named plaintiff’s claims are typical of the class; and the plaintiff and their counsel will adequately represent absent members.

Damages classes must also show that common questions predominate over individual ones and that a class action is the superior way to resolve the dispute. Predominance is where most proposed classes fail. If working out whether each member was harmed, or by how much, requires individual inquiry, the case is not suited to collective treatment.

This is why standardised conduct certifies more readily than individualised conduct. A uniform fee applied to every account, an identical label on every package or a single data breach affecting one database produces common proof. A claim depending on what each person was told, or how each person reacted, generally does not.

What class members actually receive

Individual payments in consumer class actions are frequently small — often a few dollars to a few hundred — because the total fund is divided among a very large group. This is a common source of frustration, and it reflects the purpose of the device: class actions exist to make claims viable that would be uneconomic to bring individually, not to deliver individually large recoveries.

The value is frequently in the injunctive component rather than the cheque. Settlements often require the defendant to change a practice, correct a disclosure, or stop a fee, which affects future conduct more than the per-member payment does.

Attorney fees are set by the court, not the lawyers, and are disclosed in the settlement notice. Fees in common-fund settlements are frequently in the range of one quarter to one third of the fund, subject to judicial approval and to objection by class members.

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You usually do not need to do anything to be in the class

Most damages classes are opt-out: if you fall within the class definition you are automatically included and bound by the outcome unless you affirmatively exclude yourself. Receiving a settlement payment, however, normally does require submitting a claim before the stated deadline.

When to opt out instead

Staying in a class means being bound by the judgment or settlement and giving up the right to sue individually on the same claim. For most members with small losses that is the sensible outcome. For a member with an unusually large or distinct injury, it can be a poor trade.

Opting out preserves the right to bring an individual claim, but transfers the full cost and risk of litigation to that person. It generally makes sense where individual damages are substantial, where the injury differs materially from the class, or where the proposed per-member recovery is very small relative to actual loss. Exclusion requests must be submitted in the manner and by the deadline stated in the notice.

Sections in This Category

Each section below groups the cases that share a defendant, a product or a legal theory, and sets out what those cases have in common before linking to the individual coverage.

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What is a Class Action Lawsuit?

A class action (also called a class suit) consolidates claims from many plaintiffs who suffered similar harm from the same defendant, often a corporation. One lead plaintiff represents the entire class. Settlements are distributed among all class members, often through a court-supervised claims process. You may be eligible to file a claim even if you don't hire your own attorney.

Learn how class actions work →

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Open Class Action Cases, File a Claim

Financial · BNPL

Affirm Class Action Lawsuit 2026: What You Need to Know

Consumers allege Affirm's buy-now-pay-later products carry undisclosed fees and interest charges that violate federal truth-in-lending laws. The suit seeks refunds and statutory damages for millions of borrowers.

Filed: 2025 Status: Certification Pending

Financial · Tax Software

TurboTax Class Action Lawsuit: FTC Settlement & Claims Guide

The FTC's landmark $141 million TurboTax settlement resolved allegations that Intuit deceived low-income taxpayers into paying for services they should have received for free.

Settlement: $141M Deadline: Jul 15, 2026

Tech · Subscription

Crunchyroll Class Action Lawsuit: Can You File a Claim?

Subscribers allege Crunchyroll engaged in unauthorized auto-renewal billing practices and failed to provide required pre-renewal notifications under California's auto-renewal laws.

Filed: 2025 Status: Active

Consumer Products

HexClad Class Action Lawsuit: PFAS & Non-Stick Coating Allegations

Consumers allege HexClad's marketed "safe" non-stick coating contains PFAS "forever chemicals" that were not disclosed, constituting fraud and breach of warranty under consumer protection statutes.

Filed: 2025 Status: Class Cert. Pending

Health · Nicotine Products

Zyn Class Action Lawsuit: Nicotine Pouch Marketing Claims & Timeline

Plaintiffs allege Philip Morris International marketed Zyn nicotine pouches to minors and failed to adequately disclose addiction risks in violation of FTC regulations and state consumer protection laws.

Filed: 2025 Status: Pending

Financial · Credit

Credit One Bank Class Action Lawsuit Settlement Update

A class action against Credit One Bank alleges the company charged excessive fees, misrepresented credit card terms, and engaged in predatory lending practices targeting consumers with limited credit options.

Settlement: Pending Status: Negotiation

Consumer · Hygiene

Tampax Class Action Lawsuit: Who Qualifies and What Happens Next?

Plaintiffs allege Procter & Gamble's Tampax brand contains undisclosed chemicals including titanium dioxide and PFAS compounds that may pose health risks to consumers who use the products regularly.

Filed: 2025 Status: Active

Class Action

D.R. Horton Class Action Lawsuit

D.R. Horton faces class action lawsuits over construction defects, warranty failures, and homes built below standard. Who...

Class Action

FanDuel Class Action Lawsuit

FanDuel faces class action lawsuits over problem gambling protections, misleading promotional offers, and daily fantasy sports...

Class Action

Grubhub Class Action Lawsuit

Grubhub faces class action lawsuits over hidden fee add-ons, unauthorized restaurant listings, and overcharging practices. Who...

Class Action

Honey Browser Extension Lawsuit

The Honey lawsuit alleges PayPal's Honey extension hijacked influencer affiliate links, stole creator commissions, and failed to...

Class Action

Instacart Lawsuit

Instacart faces lawsuits over tip theft, gig worker misclassification, and hidden fees. Who qualifies for claims and current...

Class Action

LG Class Action Lawsuit

LG faces class action lawsuits over alleged compressor defects in its refrigerators causing premature failure. Settlement...

Class Action

Marriott Class Action Lawsuit

Marriott faces class actions over the 500 million-record 2018 data breach and deceptive resort fee practices. Who qualifies and...

Class Action

PrizePicks Lawsuit

PrizePicks faces lawsuits and regulatory challenges alleging its daily fantasy platform constitutes illegal gambling in multiple...

Class Action

Ticketmaster Class Action Lawsuit

Ticketmaster faces multiple class action lawsuits over junk fees, a 2024 data breach affecting 560 million customers, and...

Class Action

Walmart Class Action Lawsuit

Walmart faces multiple class action lawsuits in 2026 covering deceptive pricing, wage theft, product labeling fraud, and...

Class Action

Class Action Attorney Fees: How They Work

How class action attorney fees work: percentage-of-fund versus lodestar, court approval, and why members pay nothing up front.

Filed: GuideStatus: Evergreen

Class Action

Risks of Joining a Class Action Lawsuit

The real risks of joining a class action, from small payouts to giving up your individual claim, and when opting out makes sense.

Filed: GuideStatus: Evergreen

Class Action

Proven Locks Lawsuit: The McNally Case Explained

The Proven Locks lawsuit: the company sued a lockpicking YouTuber for exposing a lock flaw, then voluntarily dismissed the case after losing in court.

Filed: ConsumerStatus: Dismissed

Class Action

Knee Replacement Class Action Lawsuit: What to Know

Knee replacement lawsuits usually target a specific implant maker or defect, not the surgery generally. How to figure out if a specific device applies to you.

Filed: Product LiabilityStatus: Reference

Class Action

Dollar General Class Action Lawsuit: What to Know

Dollar General paid $12 million to settle federal workplace safety violations and faces a separate shareholder class action. How the two cases differ.

Filed: Employment / SecuritiesStatus: Settled (OSHA) / Active (Securities)

Class Action

Yahoo Class Action Lawsuit: The $117.5M Settlement Status

Yahoo $117.5 million data breach settlement is closed, but residual payments are still going out in 2026. The status and why some checks are only a few dollars.

Filed: Data BreachStatus: Residual Payments Distributing

Class Action

Samsung Ice Maker Class Action Lawsuit: How It Ended

The 2017 class action over Samsung defective refrigerator ice makers was dismissed in 2024, with individual settlements offered instead. What happened.

Filed: ConsumerStatus: Dismissed (Class); Individual Settlements Offered

Class Action

SiriusXM Class Action Lawsuit: Cancellation and Fee Claims

A New York court found SiriusXM cancellation process violated federal law. A separate class action targets an undisclosed music royalty fee. The status of each.

Filed: ConsumerStatus: Mixed (Ruling Issued, Cases Active)

Class Action

Nelnet Class Action Lawsuit: How to Join and Current Status

Nelnet faces a $10 million data breach settlement plus separate active lawsuits over IDR payment miscalculations. How to know which one applies to you.

Filed: EducationStatus: Mixed (One Settled, Others Active)

Class Action

Celsius Class Action Lawsuit: Settled, and a Newer Case

Celsius Holdings settled a false advertising class action for $7.8 million over "no preservatives" claims. A separate, newer case alleges its drinks are misbranded.

Filed: ConsumerStatus: Closed (2022 Case); Active (2024 Case)

Financial · BNPL

Average Class Action Payout Per Person: How It Works

Why there is no meaningful average class action payout, how settlement funds are divided, what reduces the amount, and how to maximise your claim.

Filed: 2025-2026Status: Active

Financial · BNPL

How Does a Class Action Lawsuit Work? Step by Step

How class actions work: certification requirements, the role of named plaintiffs, notice and opt-out rights, settlement approval and what members rece...

Filed: 2025-2026Status: Active

Financial · BNPL

How to File a Class Action Lawsuit: The Real Process

How to start a class action: finding class counsel, the named plaintiff role, certification requirements, and what to do if you think a group was harm...

Filed: 2025-2026Status: Active

Class Action Lawsuit FAQ

Answers to the most common questions about class action lawsuits, eligibility, and settlements.

How do I know if I'm part of a class action lawsuit?

In most cases, you'll receive written notice by mail or email if you're identified as a potential class member. However, the burden is often on individuals to search for cases they may qualify for. Courts require "adequate notice" to class members, but you may not always receive it, especially if your address has changed or you made a purchase years ago.

The best approach is to regularly check sources like LawsuitWatch, the Class Action Administration website, or TopClassActions.com. If you purchased a product or used a service that's been linked to a lawsuit, you may be eligible even without receiving notice.

Do I need a lawyer to join a class action lawsuit?

No. The unique feature of class actions is that a lead plaintiff and their attorney represent the entire class. As a class member, you typically only need to submit a claim form, no independent attorney is required. However, if you believe your individual damages are significantly greater than what the class settlement offers, you may want to consult with a class action lawyer about opting out and pursuing an individual claim.

How much money will I get from a class action settlement?

Payouts vary enormously based on the total settlement fund, the number of class members who file claims, and the nature of the harm alleged. Many class members receive modest amounts (sometimes $5-$50 in consumer cases) while others with more severe or documented injuries receive substantially more. High-dollar individual payouts are more common in mass tort cases that begin as class actions but transition to individual MDL (multidistrict litigation) claims, such as the 3M earplug litigation.

What is the difference between a class action and a mass tort?

In a class action, all plaintiffs are treated as one group and receive proportional compensation from a single settlement fund. In a mass tort (like an MDL, multidistrict litigation), each plaintiff's case is evaluated individually based on their specific harm, potentially leading to larger but more varied compensation. Pharmaceutical lawsuits like Zantac and Depo-Provera typically proceed as mass torts rather than traditional class actions because individual damages differ significantly based on diagnosis, treatment history, and injury severity.

Are class action settlements taxable income?

It depends on the type of damages received. Generally, compensation for physical injuries or physical sickness is not taxable under IRS Section 104. However, punitive damages, interest, and compensation for emotional distress not tied to physical injury may be taxable. Refunds for overcharges (like in the TurboTax settlement) may or may not be taxable depending on whether you previously deducted those expenses. Read our comprehensive guide: Are Lawsuit Settlements Taxable?

Can I opt out of a class action lawsuit?

Yes. In most class actions, you have the right to opt out during a specified exclusion period. Opting out means you won't receive the settlement payment, but you preserve your right to sue the defendant individually. This makes sense only if you believe your individual damages significantly exceed what you'd receive as a class member, and if you're willing to bear the cost and risk of independent litigation. The opt-out deadline is stated in the class notice you receive.

Class Action Lawsuits: Frequently Asked Questions

Answers to the questions readers ask most about these cases and their legal options.

How do I start a class action lawsuit?

A named plaintiff files a complaint on behalf of themselves and a defined class, then moves for certification. In practice these cases are brought by firms specialising in class litigation, because certification briefing, expert work and years of funded litigation sit in front of any recovery. The practical first step is a consultation about whether the conduct affected a large group in a standardised way.

What does it cost to join a class action?

Nothing. Class members do not pay legal fees directly. Counsel is compensated from a common fund or by the defendant under a court-approved award, which is disclosed in the settlement notice and can be objected to. If the case is lost, class members do not owe fees.

How much money do class members usually get?

Frequently modest — often between a few dollars and a few hundred in consumer cases, because the fund is divided among a very large group. Amounts are larger where the class is smaller or per-person losses were substantial. Settlement notices normally give an estimated range, and the final figure depends on how many valid claims are submitted.

Should I opt out of a class action?

Usually not, if your losses are small, since an individual claim would cost more to bring than it could recover. Opting out is worth considering where your damages are substantially larger than the class average, your circumstances differ materially from the class, or the proposed recovery is very small relative to your actual loss. Opting out preserves an individual claim but transfers all cost and risk to you.

How long does a class action take?

Typically several years. Certification alone is often contested for a year or more and is frequently appealed. Where a settlement is reached, preliminary approval, notice, a fairness hearing, the objection period and any appeals add further time before payments are distributed.