Mass Torts
Case Results

(New Jersey Consolidated State Litigation, MDL No. 3140): Following the FDA’s mandated black box warning in 2004 related to significant decline in spinal and hip bone density, The Lyon Firm pursued this quiet litigation and represented an aggregate group of plaintiffs with spinal degradation.

(MDL No. 1763): This case addressed a major scandal in the human tissue industry where thousands of people received unverified and illegal body parts.

(MDL No. 2775): The Firm represented clients making claims that a BHR component contributed to the failure of plaintiffs’ hip implants due to the metal-on-metal nature of the devices.

(MDL No. 2418): Following medical journal reports that the bleeding risk may be higher than warned, The Lyon Firm began investigating and screening hundreds of potential clients and reviewed comprehensive medical histories to address case-specific causation to assist lead counsel in pre-suit investigation.

MDL No. 2767: The litigation centralized thousands of individual lawsuits alleging that the Mirena IUD caused the brain condition pseudotumor cerebri (PTC), also known as intracranial hypertension.

(MDL No. 1708): This multidistrict litigation consolidated thousands of personal injury and wrongful death lawsuits against Guidant Corporation.

(MDL No. 1842): Mass litigation involved allegations of defective design in the Composix Hernia Patches and serious bowel injuries. The MDL leadership reached a global settlement of $184 million.

(MDL No. 2299): The Firm’s aggregate group of plaintiffs with bladder cancer claims were successfully resolved through the global settlement.

(MDL No. 2326): This was a multidistrict litigation involving tens of thousands of women who suffered severe injuries from allegedly defective transvaginal surgical mesh and bladder slings.

(MDL No. 2387): Involved thousands of lawsuits against Coloplast Corp. regarding injuries allegedly caused by defective transvaginal surgical mesh and bladder sling products used to treat pelvic organ prolapse (POP) and stress urinary incontinence (SUI).

(MDL No. 2187): Plaintiffs alleged that Bard’s transvaginal mesh and bladder slings were defectively designed, causing severe complications like organ perforation, chronic pain, and erosion.

(MDL No. 2325): Involved over 20,000 lawsuits against AMS and its parent company, Endo International, regarding allegedly defective transvaginal mesh and pelvic slings.

(MDL No. 2327): consolidated thousands of lawsuits against Johnson & Johnson and its subsidiary Ethicon, Inc., alleging that transvaginal mesh and bladder slings used to treat pelvic organ prolapse and stress urinary incontinence caused severe complications.

(MDL No. 1657): Allegations that Merck minimized early data linking Vioxx to heart attacks and strokes—most notably findings from the 2000 VIGOR study. Plaintiffs claimed the drug was marketed for unapproved uses. A global settlement resolved 45,000 cases for $4.85 billion.

‍

(MDL No. 1785): Lawsuits were filed following a large outbreak of a rare, potentially blinding fungal infection linked to ReNu with MoistureLoc and ReNu MultiPlus multipurpose contact lens solutions.

(MDL No. 1928): Plaintiffs alleged Bayer failed to adequately warn physicians and patients of life-threatening risks regarding the drug despite studies linking it to increased mortality rates.

(MDL No. 1769): Plaintiffs alleged that AstraZeneca, the manufacturer of the antipsychotic drug Seroquel (quetiapine), failed to adequately warn patients about severe metabolic risks. All allegations were denied by the defendant.

(MDL No. 1905): This was a major multidistrict litigation involving allegedly defective implantable cardioverter-defibrillator (ICD) wires prone to fracturing.

(MDL No. 1598): The litigation resulted in major rulings regarding the admissibility of scientific expert testimony on alleged ephedra-induced injuries.

(MDL No. 1871): The Lyon Firm retained clients nationwide who suffered myocardial infarctions while taking the medication.

(MDL No. 2197): All Lyon Firm plaintiffs’ claims for premature revisions and metallosis-related injuries were successfully resolved through a global settlement.

(MDL No. 2000): After extensive litigation, the MDL leadership obtained a global settlement of more than $2 billion. The Lyon Firm’s clients all participated and were compensated through the global MDL resolution.

‍

(MDL No. 2591): Each of The Lyon Firm‘s plaintiff claims for business losses was resolved favorably through the $1.51 billion nationwide class settlement.

‍

(JCCP 4887): A consolidated mass tort litigation in the California Superior Court for Alameda County involving thousands of lawsuits against Bayer over injuries allegedly caused by the permanent birth control device.

(MDL No. 1748): This litigation resolved 1,300 cases for $200,000,000. In addition to working on common benefit matters, The Lyon Firm represented a large aggregate of plaintiffs that qualified for each of the settlements.

‍

(MDL No. 2244): Following several bellwether verdicts, the MDL leadership reached a global settlement for $1 billion. The Lyon Firm represented an aggregate group of plaintiffs.

(MDL No. 2734): The Lyon Firm began accepting clients and working up the case-specific damages for participation in the bellwether process. All of The Lyon Firm cases were resolved confidentially through the MDL process.

(MDL No. 2391): The Lyon Firm’s clients were joined with larger inventories and ultimately included in the $56,000,000 global settlement for claims involving revision surgeries.  

‍

(MDL No. 2768): Plaintiffs alleged that the Stryker LFIT Anatomic CoCr V40 femoral heads had a design defect causing them to fail prematurely.

(MDL No. 2441): Plaintiffs alleged modular-neck hip stem components corroded, releasing metal debris that caused severe tissue damage, metal poisoning, and premature failure requiring painful revision surgeries.

(MDL No. 2885): The largest multidistrict litigation in U.S. history, involving over 230,000 actions by service members alleging that defective earplugs caused hearing loss and tinnitus. The litigation was officially terminated in 2025 following a $6 billion global settlement.

(Cook County, Ill.): Following alleged PAM can explosion-related accidents, The Lyon Firm jointly filed the initial cases in Ohio where the litigation was then consolidated. Following over four years of litigation and a bellwether verdict finding for the Plaintiff, a confidential global settlement was reached.

(MDL No. 2974): Plaintiffs alleged the copper intrauterine device (IUD) was defectively designed, with T-shaped arms prone to breaking during removal, which caused severe injuries and required invasive surgery. Allegations were denied.

(MDL No. 3004): Plaintiffs allege that exposure to the herbicide paraquat caused them to develop Parkinson's disease, and they accuse manufacturers of failing to warn about these neurological risks. Allegations were denied.

(MDL No. 2738): The Firm is currently co-counsel, representingan aggregate group of cases filed in the MDL and several state court venuesawaiting discovery and trial schedules.  

(MDL No. 3044): Following a large voluntary recall impacting various hip, knee, and ankle replacements due to concerns of plastic liners, widespread litigation developed. The Firm is currently representing an aggregate group of plaintiffs through the pending bankruptcy.

(MDL No. 2741): The Lyon Firm represented a large aggregate of plaintiffs that qualified for this remarkable settlement. The Firm continues to represent individuals impacted by exposure to Roundup and glyphosate.