Group litigation involves coordinated but separate claims, while a class action treats the case as a single claim for all class members.
Group litigation, sometimes referred to as multi-district litigation (MDL), involves multiple plaintiffs joining together to bring similar legal claims against one or more defendants. While often compared to class actions, group litigation typically keeps each plaintiff’s claim distinct, even though the cases are coordinated for efficiency.
Group litigation can be an effective way to address widespread harm when individual claims share common legal and factual issues but may involve varying damages or circumstances. These cases are frequently used in product liability, consumer protection, employment, and mass tort matters.
Individual Claims Remain Separate
Each plaintiff’s claim is distinct, even though the cases are managed together.
Opt‑In vs. Opt‑Out
Group litigation often requires plaintiffs to affirmatively join the action, unlike many class actions where class members are automatically included unless they opt out.
Case Management
Courts may consolidate pretrial proceedings, coordinate discovery, and set common schedules to streamline the process.
Product Liability
Coordinated lawsuits involving injuries or losses caused by defective products, such as medical devices, pharmaceuticals, or consumer goods.
Consumer Protection
Cases alleging deceptive marketing, unfair business practices, or unlawful fees affecting multiple consumers.
Employment and Wage Claims
Claims involving unpaid wages, overtime violations, or discrimination, where each worker’s damages may differ.
Environmental Contamination
Lawsuits brought by residents or businesses harmed by pollution or hazardous waste.
Group litigation involves coordinated but separate claims, while a class action treats the case as a single claim for all class members.
Yes. Plaintiffs typically must affirmatively join a group litigation action to participate.
Yes, but settlements often allocate funds individually based on each plaintiff’s circumstances.
No. Group litigation can be used whenever multiple plaintiffs have similar legal claims and wish to coordinate their cases.
Timelines vary depending on the number of plaintiffs, complexity of the claims, and whether the case settles before trial.
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