Mass Tort brief
Bellwether Pressures Mount Across Medical and Tech MDLs
Federal courts set trial dates, split device dockets, and weigh expert science across tens of thousands of injury claims.
Mass Tort
Judicial gatekeeping on cancer science will decide 15,000 PFAS claims — chemical makers could either face immense personal injury exposure or escape cleanly.
BackgroundAqueous film-forming foam used in military and industrial firefighting contains persistent perfluoroalkyl substances that leach into drinking water aquifers. Under federal Daubert standards, trial judges act as gatekeepers to determine whether scientific expert testimony is reliable enough for juries.
- Litigants are filing expert causation briefs evaluating epidemiological research on PFAS bioaccumulation and cellular organ damage through January 2027.
- Simultaneous environmental testing revealed widespread PFAS contamination across municipal surface waters in Long Island and Minnesota.
- Excluding plaintiffs' cancer causation experts would eliminate individual injury claims while preserving municipal water utility cleanup lawsuits.
Mass Tort
Lyft is fighting to avoid common-carrier duties in federal court — defeat would make rideshare firms strictly accountable for driver assaults.
BackgroundCommon carriers like bus lines and taxi fleets bear heightened legal duties to protect passengers from harm during transit. Rideshare companies dispute that classification, insisting independent contractor drivers prevent direct corporate vicarious liability for intentional torts.
- Plaintiffs allege Lyft neglected biometric background screening and failed to intervene despite internal complaints of past driver misconduct.
- The defense motion follows an $8.5 million federal bellwether compensatory verdict awarded against rival Uber in an Arizona assault trial.
- Federal judges must determine whether plaintiffs can pursue punitive damages based on Lyft's public marketing regarding passenger safety.
Mass Tort
Setting a fourth test trial right after a $40M jury verdict corners Becton Dickinson — global settlement talks could start before December.
BackgroundMultidistrict litigation centralizes thousands of individual product liability lawsuits before a single federal judge to manage discovery and test claims before juries. Becton Dickinson faces allegations that high concentrations of barium sulfate degrade catheter integrity, causing devices to fracture inside patients.
- Becton Dickinson faces over 4,000 pending lawsuits alleging catheter fracturing, vascular infections, and thromboembolisms that required emergency surgical explantation.
- The scheduling order follows an initial defense verdict and a subsequent $40 million jury award to an injured plaintiff in September.
- The ongoing third bellwether trial focuses directly on life-threatening vascular infection claims, creating immediate settlement exposure for the device manufacturer.
Mass Tort
Splitting spinal stimulator lawsuits between two federal circuits creates dueling preemption tests — device makers could face contradictory appellate rules on federal immunity.
BackgroundMedical Device Amendments preemption shields manufacturers from state product liability lawsuits if their devices adhered strictly to FDA Premarket Approval conditions. To survive dismissal, injured patients must prove that device makers violated federal manufacturing rules rather than mere state safety duties.
- The panel assigned Abbott cases to Illinois under MDL No. 3194 while transferring Nevro claims to Northern California under MDL No. 3195.
- Judges rejected manufacturer requests to create a consolidated mega-MDL alongside existing Boston Scientific device proceedings in California.
- Lawsuits allege defective internal wiring causes sudden electrical short-circuits, delivering agonizing shocks and forcing high-risk surgical removals.
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