Cook IVC filter lawsuit MDL 2570: how the litigation actually stands with 6,569 pending cases and partial settlement framework

The Cook Medical IVC (inferior vena cava) filter litigation represents one of the more active medical device mass torts that has resisted global settlement despite a decade of consolidated proceedings. MDL 2570 (In re: Cook Medical, Inc., IVC Filters Marketing, Sales Practices and Products Liability Litigation), established October 2014 in the U.S. District Court for the Southern District of Indiana before Senior Judge Richard L. Young and Magistrate Judge Tim A. Baker, has approximately 6,569 pending cases as of April 2026 with a total of 11,405+ cases filed throughout the MDL's history. The litigation has produced 1,011 case resolutions since January 2025 through individual settlements and dispositions, but Cook Medical has not agreed to a global settlement framework. The parties reached agreement on major settlement terms for a subset of cases in October 2025, with negotiations continuing for remaining cases.

The theory centers on alleged defective design of Cook's retrievable IVC filters, small metal devices implanted in the inferior vena cava to prevent blood clots (deep vein thrombosis) from traveling to the lungs and causing pulmonary embolism. The Cook Celect and Günther Tulip IVC filters are alleged to be susceptible to filter fracture (struts breaking off and migrating through the bloodstream), filter migration (entire filter moving from its intended position), IVC perforation (struts puncturing through the vena cava wall), and organ damage to surrounding structures including the bowel, kidneys, and major blood vessels. Plaintiffs allege Cook failed to warn physicians and patients about the risks of long-term implantation and the difficulty of safe filter retrieval after extended placement periods. A 2010 Durack et al. study documented 100% perforation rate after 71 days of indwelling Cook IVC filters, supporting the long-term implantation risk theory.

The procedural posture is complicated by the bellwether trial results, which have produced mixed outcomes that haven't created clear pressure for global settlement. Cook Medical won the first bellwether trial in 2017 and has won several subsequent bellwether trials. But plaintiffs have also won bellwether verdicts including multi-million dollar awards. The mixed results have made global settlement valuation difficult. The result is a procedurally complex MDL where settlement framework is developing incrementally rather than through comprehensive resolution.

This is how the Cook IVC filter litigation actually works through MDL 2570, the theory of IVC filter failure modes, the procedural history through bellwether trials and the October 2025 partial settlement, the eligibility framework for current and prospective plaintiffs, and the strategic considerations for affected patients pursuing claims.

What are IVC filters and what defects are alleged in Cook's design?

IVC filters are small metal devices implanted in the inferior vena cava to prevent blood clots from reaching the lungs. Cook's Celect and Günther Tulip filters are alleged to suffer from strut fracture, filter migration, IVC perforation (documented at 100% after 71 days), and retrieval failure, causing serious organ damage and other complications.

IVC filters are medical devices designed for specific purposes:

Inferior vena cava (IVC). The largest vein in the body:

• Carries deoxygenated blood from lower body to heart

• Runs through abdomen and chest

• Critical pathway for venous return

• Prevent blood clots from traveling to lungs

• Cause pulmonary embolism (potentially fatal)

• Implanted in patients at high risk of DVT/PE

• Benefit when patient cannot take blood thinners

• Patient with deep vein thrombosis (DVT)

• Cannot take anticoagulant medications (blood thinners)

• After major trauma or surgery

• During cancer treatment in some cases

• Designed for short-term placement

• Intended for removal when DVT risk subsides

Cook Günther Tulip Filter. Cook's first IVC filter:

• Strut metal fatigue over time

• Broken pieces migrate through bloodstream

• Can travel to heart, lungs, or other organs

• From intended position in IVC

• May travel to heart, lungs

• Difficult to detect without imaging

• Filter struts penetrate through vena cava

• May injure aorta, bowel, kidneys

• Documented 100% perforation rate after 71 days (Durack et al.)

• Filter intended for short-term but left long-term

• Removal becomes difficult or impossible

• Filter doesn't prevent PE as intended

• Defeats primary purpose of implantation

• Injury when device fails to function

What injuries are alleged in Cook IVC filter lawsuits?

Plaintiffs in MDL 2570 allege injuries including IVC perforation with organ damage (bowel, kidney, aortic), filter migration to the heart or lungs, fracture with strut fragments traveling through the body, chronic pain, retrieval surgery complications, and wrongful death in severe cases involving cardiac or pulmonary failure.

• Cardiac damage when filter migrates to heart

• Pulmonary damage when filter migrates to lungs

• Broken struts migrating throughout body

• Damage to organs from migrating pieces

• Difficulty of retrieval after fracture

• Difficulty removing long-term filters

• Risk of vessel damage during retrieval

• Some filters cannot be safely removed

• Need for complex retrieval procedures

What is the procedural history of MDL 2570?

MDL 2570 was established in October 2014 in the Southern District of Indiana. It has processed over 11,405 cases, with 6,569 pending as of April 2026. Key milestones include FDA safety communications in 2010 and 2014, mixed bellwether trials starting in 2017, and a partial settlement framework reached in October 2025.

1999. Cook Medical launches Günther Tulip IVC Filter, initially as permanent device.

2000s. Increasing use of IVC filters in U.S. medical practice.

2003. Cook launches Celect IVC Filter, marketed as retrievable.

August 2010. FDA safety communication regarding retrievable IVC filters:

October 2014. Judicial Panel on Multidistrict Litigation establishes MDL 2570 in Southern District of Indiana. Senior Judge Richard L. Young assigned to oversee.

October 2017. First bellwether trial: Defense verdict for Cook Medical.

Mixed results: some defense verdicts, some plaintiff verdicts.

2020-2022. Continued bellwether trials with mixed results.

Throughout litigation. state court litigation in Indiana and other jurisdictions parallel to MDL.

November 2023. Court entered summary judgment for Cook in Ernie Scott v. Cook et al., case dismissed.

Status conference March 20. Settlement conference scheduled April 24.

April 2025. Court set deadlines for parties to establish:

October 2025. Both sides reached agreement on major settlement terms for some cases.

Current status (April 2026). 6,569 pending cases.

What are the bellwether trial outcomes in the Cook IVC filter MDL?

Bellwether trials in MDL 2570 have produced mixed results. Cook Medical won the first bellwether in October 2017 and several subsequent trials. Plaintiffs have also secured multi-million dollar verdicts. These mixed outcomes have complicated global settlement valuation and driven the litigation toward incremental, case-by-case resolution rather than comprehensive settlement.

• First bellwether (October 2017): Defense verdict

• Subsequent bellwether trials with several Cook victories

• No clear pressure for global resolution

• Cook can point to defense verdicts

• Plaintiffs can point to substantial verdicts

• Individual case evaluation framework essential

What does the October 2025 partial settlement cover?

The October 2025 partial settlement established a framework for cases with stronger injury documentation and clearer causation. Settlement amounts remain confidential and vary by injury severity. Cases with less clear injuries or statute of limitations issues were not initially addressed and continue on individual tracks, with potential for future settlement inclusion or individual trial.

The partial settlement framework provides procedural framework for some cases:

• Cases with stronger injury documentation

• Cases with specific injury types

• Cases with less clear injury

• Cases with statute of limitations issues

• Cases requiring additional individual evaluation

• May benefit from future settlement framework

• May proceed to individual trial

• Establishes settlement framework for similar cases

• Creates pressure for additional cases

What is the statute of limitations for a Cook IVC filter lawsuit?

Most states impose a two to four year statute of limitations for Cook IVC filter claims, typically running from the date of injury or discovery. The discovery rule may delay the start date when patients could not reasonably have known their complications were filter-related. Cook has raised statute of limitations as a defense in many cases.

Common state limitations periods: 2-4 years from injury or discovery.

• Most states recognize discovery rule

• Limitations begin when patient knew or should have known

• Some delayed discovery cases viable

• Many filters implanted years ago

• Many complications discovered well after implantation

• Delayed discovery of connection between filter and complications

• Concealment by manufacturer of risks

• Continuing tort theory (ongoing complications)

Who is eligible to file a Cook IVC filter lawsuit?

Eligibility requires documented implantation of a Cook Celect or Cook Günther Tulip IVC filter, evidence of specific complications (perforation, fracture, migration, or retrieval failure), supporting medical imaging and treatment records, and a claim filed within the applicable state statute of limitations. Filters from other manufacturers fall under separate litigation.

Documenting Cook IVC filter implantation

• Hospital records identifying specific filter
• Lot numbers and serial numbers
• Compatible with Cook Celect or Cook Günther Tulip

Important note. Many IVC filter manufacturers besides Cook:

• IVC perforation (struts through vena cava wall)
• Filter migration (movement from intended position)
• Organ damage from filter or fragments
• Pulmonary embolism despite filter (failure to function)

Statute of limitations analysis

• Specific state law analysis required
• Some delayed discovery cases viable

How does Cook IVC filter litigation compare to other mass torts?

The Cook IVC filter MDL is a mature, decade-old litigation with 6,569 pending cases and no global settlement. Unlike the Bard hernia mesh MDL, which reached a billion-dollar-plus settlement, Cook's mixed bellwether results have produced only a partial settlement framework. Cook's financial capacity distinguishes it from MDLs facing bankruptcy complications.

Compared to Bard PowerPort MDL 3081: Both involve medical device manufacturing defects. PowerPort is newer with bellwethers approaching; Cook IVC is mature MDL with mixed bellwether results.

Compared to Bard hernia mesh MDL 2846: Both involve Bard medical device litigation. Bard hernia mesh reached $1+ billion settlement; Bard IVC filter MDL 2641 largely settled separately.

Compared to Stryker hip implant MDLs: Both involve medical device litigation. Stryker reached comprehensive settlements; Cook has only partial settlement framework.

Compared to Allergan Biocell MDL 2921: Both involve medical device litigation. Allergan faces preemption challenges; Cook IVC doesn't face same preemption issues.

Compared to Exactech device recall MDL 3044: Both involve orthopedic/medical device defects. Exactech faces bankruptcy complications; Cook has financial capacity.

• Pending cases (6,569+ as of April 2026)
• Partial settlement framework (October 2025)
• Multiple manufacturer landscape (Bard, ALN, etc., separate litigation)
• Long-term implantation issue (retrieval difficulty)
• 100% perforation rate after 71 days documented (Durack study)

What are the estimated settlement amounts for Cook IVC filter cases?

Severe cases involving filter migration to the heart or major organ damage may range from $500,000 to $5,000,000 or more. Moderate cases with IVC perforation or retrieval complications range from $100,000 to $1,000,000. Minor complication cases range from $25,000 to $250,000.

• May benefit from future settlement framework
• May proceed to individual trial

• Range: $500,000 - $5,000,000+

• Wrongful death cases potentially higher

• IVC perforation with organ involvement

• Range: $100,000 - $1,000,000

• Filter fracture without major sequelae

• Range: $25,000 - $250,000

Tax implications. Personal injury settlements for physical injuries are tax-free under IRC §104(a)(2). Coordinate with tax counsel for settlements, particularly when other tax debt issues or §72(t) early withdrawal considerations exist.

What strategic steps should Cook IVC filter plaintiffs take?

Cook IVC filter plaintiffs should prioritize identifying the specific Cook filter through surgical records, documenting injuries with imaging and treatment records, confirming the statute of limitations has not expired, and engaging counsel experienced in MDL 2570 practice. Comprehensive documentation of medical complications and functional impact strengthens both settlement negotiations and trial positioning.

Identify Cook IVC filter implantation specifically. Critical first step:

• Imaging studies (CT, X-ray)
• Retrieval surgery records (if applicable)

Address the statute of limitations carefully. Cook raises defenses:

• 2-4 year periods in most states
• Some delayed discovery cases viable

Plan for extended timeline. Even after partial settlement:

• Long-term retrieval increasingly difficult
• Medical indication for retrieval should dominate
• Legal counsel should advise on timing implications

Coordinate with treating physicians. Vascular surgeons, interventional radiologists, and other treating physicians are important witnesses.

Plan for the growth loss when accessing retirement funds. Some plaintiffs:

• Need retirement funds for medical expenses
• §72(t) early withdrawal cost
• May benefit from medical expense exception

Address related tax planning. Personal injury settlements for physical injuries are tax-free. Component allocation (physical injury vs. emotional distress) affects tax treatment.

Watch the wrongful death framework. Some severe cases:

• Loss of function post-implantation
• Inability to return to work

Don't accept inadequate settlement offers without thorough evaluation. Many cases:

• Injury justifies more than initial offers

• Negotiate based on documented damages

• Consider individual trial if settlement insufficient

• May proceed to individual MDL trial

• May proceed to remand for individual state court trial

Address the multiple manufacturer landscape carefully. Many IVC filter manufacturers:

• Bard (largely settled in MDL 2641)
• Cook (MDL 2570, partially settled)

Identify specific manufacturer; different procedural framework for each.

Watch for the long-term implantation issue. pattern:

• Filters intended for short-term use
• Left long-term in many patients
• Retrieval becomes substantially more difficult

Coordinate with LLC asset protection if business assets at risk.

For affected patients with documented Cook IVC filter injuries, the framework provides paths to compensation through the MDL 2570 framework and the developing partial settlement structure. The mixed bellwether results have prevented global settlement but the October 2025 partial framework signals movement toward broader resolution. The work for plaintiffs is in comprehensive product identification through surgical records, thorough injury documentation including imaging studies and retrieval surgery records, engagement with experienced Cook IVC filter counsel familiar with MDL practice and the statute of limitations issues, careful coordination of medical and legal timelines (particularly around retrieval surgery decisions), informed monitoring of bellwether and settlement developments, and patient navigation of the procedural complexity. For plaintiffs with strong documented filter complications, particularly perforation with organ involvement, filter migration to heart or lungs, or fracture with sequelae, the litigation provides paths to meaningful compensation that should produce outcomes through individual case evaluation, the developing settlement framework, and potential individual trials with damages potential based on the prior plaintiff verdicts in the MDL bellwether program.