How Long Do Class Action Lawsuits Take?

A class action lawsuit is a legal case filed by one or more plaintiffs on behalf of a larger group of people. The group is called a class and each member of the class will have been harmed in similar ways by the same organization or person(s). Instead of filing many separate lawsuits, the class members combine their claims into one case.

Class action lawsuits are commonly used in litigation involving defective products, consumer fraud, securities claims, environmental chemical contamination and other disputes that affect large groups of people.

If a court certifies the class, eligible people may become part of the lawsuit or they may choose to opt out.

Multi-district litigation (MDL) vs. class actions

People often confuse multi-district litigation (MDL) with class action lawsuits because both involve large groups of plaintiffs. However, the two legal processes work differently.

Like a class action lawsuit, an MDL has one or more plaintiffs that have similar claims against the same defendant(s). Unlike a class action lawsuit, the MDL keeps the individual lawsuits separate. They are grouped together in one federal court so pre-trial proceedings can be coordinated to save time and resources. Another difference is that in an MDL, each case is tried individually for each plaintiff or small groups of plaintiffs, using the procedures and facts established in the pre-trial proceedings.

MDLs are common in product liability and pharmaceutical litigation involving many plaintiffs with different injuries or damages. Both MDLs and class actions often take years to resolve, depending on the complexity of the litigation and whether appeals delay settlements or payouts.

The answer depends on the complexity of the claims, the number of plaintiffs involved, the amount of evidence that must be reviewed, and whether the case settles or proceeds to trial.

Some class action lawsuits resolve within a year or two, especially when liability is relatively clear and the parties reach an early settlement agreement. More complex litigation may take several years before compensation becomes available.

The average duration of a class action lawsuit is often longer in cases involving:

• Large corporate defendants
• Extensive discovery disputes
• Multiple jurisdictions
• Scientific or technical evidence
• Appeals after trial or settlement approval

For example, consumer class action cases sometimes move faster because damages are easier to calculate and the number of disputed legal issues may be smaller. Securities litigation, environmental contamination claims, and product liability litigation often involve years of discovery, expert testimony, and pre-trial motions before resolution occurs.

Even after a class action settlement is announced, the courts may take months to review the agreement and oversee the distribution of the settlement.

What factors affect a class action lawsuit timeline?

Because every lawsuit is different, class action lawsuits don’t have a definite timeline. Several factors can influence how long a class action lawsuit will take.

• Class certification: Courts must decide whether the plaintiffs meet the legal requirements to proceed as a class action.
• Discovery process length: Attorneys exchange evidence, review documents and depose witnesses during discovery, often including extensive records and expert analysis.
• Settlement negotiations: Some defendants may settle early while others go to trial or appeal.
• Pre-trial motions and appeals: Motions to dismiss claims or appeals involving certification and settlements may take significantly longer.
• Number of plaintiffs involved: Cases involving thousands of claimants or multiple states often need more administrative coordination.
• Claims administration process: Settlement administrators review claims and distribute compensation after court approval becomes final.

Most class action lawsuits follow these steps before the case resolves and compensation is distributed.

Filing the lawsuit

The process typically begins when plaintiffs file a complaint against a defendant or group of defendants. The lawsuit outlines the allegations and explains how the plaintiffs were harmed.

Class certification

One of the most important stages in the class action lawsuit timeline is class certification. During this phase, the court decides whether the plaintiffs can proceed as a class. Courts examine whether:

• The number of class members makes it impractical to include everyone individually
• Class members suffered similar harm
• Common legal or factual questions exist
• The lead plaintiffs can adequately represent the group

Discovery and pre-trial proceedings

Discovery is often one of the longest parts of the litigation timeline. During this stage, attorneys exchange evidence, review records, question witnesses and prepare expert testimony. Courts resolve motions involving evidence or legal disputes before trial.

Settlement negotiations or trial

Many class action lawsuits settle before reaching trial. Settlement negotiations may happen early in the case or after years of litigation. However, if the parties can’t agree to a settlement, the lawsuit may proceed to trial.

Settlement approval and payouts

If the parties agree to settle, the process isn’t immediately over. Courts must review proposed settlements to determine whether they are fair to class members. This process includes notice periods, opt-out deadlines and final fairness hearings before payouts begin.

Many people expect compensation shortly after a settlement is announced. However, class action lawsuit payout time may take months or longer after the parties agree.

• Court approval requirements: Judges must review settlements and determine whether the agreement is fair, reasonable and adequate before payouts can begin.
• Appeals by objectors: Appeals filed by class members or defendants may pause settlement distributions until higher courts resolve the dispute.
• Claims verification: Settlement administrators review claim forms and supporting documents to verify payments go to the eligible parties.
• Large numbers of claims: Cases involving thousands or millions of claimants may need more time for administrative review.
• Incomplete claim forms: Missing information or documentation can slow the claims administration process.
• Fraud prevention measures: Administrators may investigate suspicious or duplicate claims before issuing payments.

Do all class action lawsuits end in settlements?

No. While many class action lawsuits settle before trial, some go to court and others may be dismissed earlier in the litigation process.

How can plaintiffs stay informed during a class action lawsuit?

Class members can monitor court-approved settlement websites, review notices sent by mail or email and track important deadlines for claims or payouts to stay informed.

What happens after a class action settlement is approved?

After a settlement is approved, administrators notify class members, review submitted claims and distribute compensation. Appeals or claims review issues may still delay payouts in some cases.

Motley Rice attorneys have experience representing plaintiffs in litigation involving consumer protection claims, securities litigation, environmental contamination and other disputes involving large numbers of plaintiffs all over the country. We can handle the complexities of mass tort cases, including class action lawsuits and MDL claims, to help protect your rights.

Read more about our complex litigation leadership experience.