America's Most Comprehensive Mass Tort Resource

Independent, factual information about pharmaceutical injuries, defective products, environmental disasters, and your legal rights under US law.

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Current Litigation

Active Mass Tort Cases

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Consumer Products / InstitutionalActive Litigation

Social Media Addiction

A rapidly expanding mass tort — described as potentially the most significant technology litigation since tobacco — alleging that major social media companies deliberately engineered their platforms to be addictive to children and teenagers, exploiting developing brains for profit while concealing internal research showing the platforms caused depression, anxiety, eating disorders, self-harm, and suicide in young users. The first bellwether trial (KGM v. Meta & YouTube) is currently underway in Los Angeles Superior Court as of March 2026.

DepressionAnxiety disordersSelf-harm

Pharmaceutical / DrugActive Litigation

Talcum Powder

The largest active mass tort MDL in the United States, with approximately 67,100 pending cases alleging that Johnson & Johnson's talc-based Baby Powder products contained trace asbestos and caused ovarian cancer and mesothelioma in long-term users, and that J&J concealed evidence of contamination for decades. J&J's third bankruptcy settlement attempt ($9 billion) was rejected by a federal judge on March 31, 2025. The MDL is now proceeding toward trial.

Ovarian cancerMesotheliomaFallopian tube cancer

Environmental / Toxic ExposureActive Litigation

Roundup

Over 100,000 plaintiffs have filed claims alleging that Monsanto's Roundup weedkiller, containing glyphosate, caused Non-Hodgkin's lymphoma and that Monsanto systematically concealed the cancer risk for decades through ghostwritten science and regulatory manipulation. Bayer has settled approximately 100,000 cases for $11 billion total. A critical U.S. Supreme Court conference on federal preemption (Durnell v. Monsanto) was scheduled for June 26, 2025, and could reshape thousands of remaining cases.

Non-Hodgkin's lymphomaB-cell lymphomaT-cell lymphoma

Environmental / Toxic ExposureActive Litigation

Camp Lejeune

The Camp Lejeune Justice Act of 2022 allows Marines, their families, and civilian workers who were exposed to severely contaminated drinking water at Marine Corps Base Camp Lejeune between 1953 and 1987 to file claims against the U.S. government — overcoming decades of sovereign immunity that previously barred lawsuits. Over 600,000 administrative claims have been filed, and the DOJ has paid over $700 million as of March 2026.

Kidney cancerLiver cancerBladder cancer

Pharmaceutical / DrugActive Litigation

Depo-Provera

An emerging and rapidly growing mass tort alleging that prolonged use of the injectable contraceptive Depo-Provera (medroxyprogesterone acetate) significantly increases the risk of developing intracranial meningiomas — brain tumors that can cause seizures, vision loss, cognitive impairment, and death. The MDL was established in January 2025 in the Middle District of Florida. Discovery is underway, and the first trials are expected in late 2026 or early 2027.

Intracranial meningioma (brain tumor)Multiple meningiomasRecurrent meningioma requiring surgery

Pharmaceutical / DrugActive Litigation

Hair Relaxer

A fast-growing MDL alleging that chemical hair straightening and relaxer products contain endocrine-disrupting chemicals linked to uterine and ovarian cancer, with a disproportionate impact on Black women who comprise an estimated 90% of users. The landmark 2022 NIH Sister Study found more than double the risk of uterine cancer in frequent users.

Uterine cancerEndometrial cancerOvarian cancer

Environmental / Toxic ExposureActive Litigation

AFFF Foam (PFAS)

One of the largest environmental mass torts in U.S. history, alleging that aqueous film-forming foam (AFFF) used in firefighting contaminated drinking water supplies with toxic PFAS 'forever chemicals,' causing cancer and other diseases in firefighters, military personnel, and nearby communities. 3M settled water utility claims for $10.3 billion; DuPont/Chemours settled for $1.185 billion. Personal injury claims continue.

Kidney cancerTesticular cancerProstate cancer

Pharmaceutical / DrugActive Litigation

NEC Baby Formula

Lawsuits allege that cow's-milk-based infant formula products manufactured by Abbott (Similac) and Mead Johnson (Enfamil) caused necrotizing enterocolitis — a devastating and often fatal intestinal disease — in premature infants, and that manufacturers knew of the elevated risk but failed to warn hospitals or parents. A landmark $60 million bellwether verdict was reached in March 2024.

Necrotizing enterocolitis (NEC)Infant deathShort bowel syndrome

Environmental / Toxic ExposureResolved

Paraquat

This litigation has reached a resolution. Approximately 6,000 lawsuits alleged that chronic exposure to the herbicide paraquat — one of the most toxic chemicals legally used in U.S. agriculture, banned in over 60 countries — causes Parkinson's disease. A confidential settlement was reached in approximately April 2025. This page is maintained for informational and educational purposes.

Parkinson's diseaseParkinsonism

Medical DevicesActive Litigation

Hernia Mesh

Tens of thousands of lawsuits across multiple MDLs allege that surgical hernia mesh products from multiple manufacturers were defectively designed, causing severe complications including chronic pain, organ adhesion, infection, and mesh migration — often requiring painful revision surgeries. The Bard MDL alone has approximately 24,000 pending cases with bellwether trials expected in 2026.

Mesh migrationMesh adhesion to organsChronic pain

Medical DevicesActive Litigation

IVC Filters

Lawsuits allege that retrievable inferior vena cava (IVC) filters designed to prevent blood clots fractured, migrated, or perforated organs, causing serious injuries and death. The FDA urged retrieval of temporary filters in 2010, but studies show fracture rates up to 40% in some models. Significant settlements have been reached, with remaining litigation ongoing.

Device fractureFilter migrationOrgan perforation

Consumer Products / InstitutionalResolved

3M Earplugs

RESOLVED — The largest multidistrict litigation in American history, with over 300,000 claims, has been substantially resolved through a $6 billion settlement. 3M's Combat Arms Earplugs (CAEv2) were allegedly defectively designed, providing inadequate hearing protection to U.S. military service members from 2003 to 2015. Settlement distributions are underway as of 2026.

Hearing lossTinnitusAuditory processing difficulties

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The Impact

Why Mass Torts Matter

Mass tort litigation holds corporations accountable for harm caused by defective products, dangerous drugs, and environmental contamination, delivering justice to millions of Americans.

Millions

Americans affected by mass tort injuries annually

$50B+

Total settlements in the past decade

150+

Active MDLs in federal courts today

The Process

How Mass Tort Litigation Works

Step 1

Injury Occurs

Individuals are harmed by a defective product, drug, or toxic exposure.

Step 2

Cases Filed

Victims file individual lawsuits which are consolidated into an MDL.

Step 3

MDL Formed

The JPML transfers cases to a single court for coordinated pretrial proceedings.

Step 4

Resolution

Cases are resolved through bellwether trials, settlements, or individual verdicts.

Learn the full process

Deep Dives

America's Most Comprehensive Mass Tort Resource

Active Mass Tort Cases

Social Media Addiction

Talcum Powder

Roundup

Camp Lejeune

Depo-Provera

Hair Relaxer

AFFF Foam (PFAS)

NEC Baby Formula

Paraquat

Hernia Mesh

IVC Filters

3M Earplugs

Why Mass Torts Matter

How Mass Tort Litigation Works

Injury Occurs

Cases Filed

MDL Formed

Resolution

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