What Is an MDL (Multidistrict Litigation)? How Mass Tort Cases Got Organized

If you’re involved in a mass tort case, you may hear the term MDL and wonder what it actually means—and what it means for you. An MDL (short for Multidistrict Litigation) is one of the most common ways courts organize mass tort cases. It’s designed to make the process more efficient when many people across the country are bringing similar claims against the same company or product. This guide breaks it down in plain language.

What does “MDL” mean?

MDL stands for Multidistrict Litigation. It’s a federal court process that allows lawsuits with similar facts to be coordinated in one court for certain stages of the case.

That does not mean everyone’s case becomes one case. Instead, the goal is to avoid repeating the same work hundreds—or thousands—of times in different courts.

Why MDLs exist

When the same product is linked to similar injuries, the same issues come up repeatedly, such as:

• What the company knew (and when)

• What warnings were included (or not included)

• What studies exist about risks

• What internal documents show about safety decisions

Without an MDL, every separate case would have to fight for the same documents and handle the same arguments on its own—slowing everything down and creating inconsistent results. An MDL helps the court:

• standardize the process

• reduce duplicated legal work

• keep discovery organized

• move the litigation forward in a more coordinated way

  
  

MDL vs. Class Action: they are not the same

This is one of the biggest points of confusion.

Class Action

A class action is typically one lawsuit representing a group of people who suffered similar harm.

MDL (Mass Tort)

An MDL is many individual lawsuits coordinated together for efficiency. In an MDL:

• You still have your own case.

• Your medical history matters.

• Your documents matter.

• Your outcome may depend on your specific facts.

That’s why mass torts are often called individual cases moving together.

How an MDL is created

An MDL usually forms when many lawsuits are filed in federal courts across the U.S. Then a special panel (the Judicial Panel on Multidistrict Litigation) may decide to:

• transfer those cases into one federal court

• assign them to one judge

• coordinate the “shared” litigation phases

From there, the MDL court manages the larger process.

What parts of your case are handled in the MDL?

Most MDLs coordinate the work that applies to everyone, including:

1) Discovery (shared evidence gathering)

This is where attorneys request documents, emails, research, safety data, and internal records.

2) Expert testimony and scientific issues

Experts may evaluate:

• whether a product can cause a type of injury

• how risks should have been warned about

• what research supports (or challenges) causation

  
  

3) Key court motions

These are legal arguments that can shape the case—sometimes affecting whether certain claims can proceed.

4) Bellwether trials

Courts may select a small number of cases to move toward trial first. These are called bellwether cases and can influence settlement discussions.

What stays individual in an MDL?

Even though cases are coordinated, the following are still based on your specific situation:

• Your medical records

• Your diagnosis and treatment timeline

• Your exposure history

• Your damages (pain, costs, missed work, etc.)

• The strength of your documentation

That’s why you may be asked for detailed information—even if many other people are also part of the litigation.

Does joining an MDL mean your case is settled faster?

Not always. MDLs can reduce duplicated work, but they can still take time. Why? Because:

• courts set schedules in phases

• discovery takes months (sometimes longer)

• expert evaluation can be complex

• large negotiations often happen after major milestones

That said, MDLs often provide a clearer structure and path forward than scattered individual cases.

Why MDLs sometimes feel “quiet” for long periods

MDLs move like a train with scheduled stops. There may be long stretches where:

• documents are being gathered and reviewed

• court deadlines are being met

• bellwether cases are being prepared

• experts are working behind the scenes

It may feel slow, but the case can still be moving forward.

What you can do to help your MDL case

Even when the court process is moving slowly, you can protect your claim by:

1. Keeping your contact info current

2. Saving all new treatment records and updates

3. Responding quickly to requests (forms, releases, questionnaires)

4. Letting your team know about any changes in providers or symptoms

Strong documentation makes a difference.

Need help understanding your case status?

If you’re already working with We Win Suits and have questions about where your matter falls in the MDL process, contact us. If you’re not sure whether you qualify for a current mass tort case, we can help you determine next steps. Reach out to We Win Suits for a free case review.