The Largest Mass Tort in American Legal History
The 3M Combat Arms Earplug litigation became, at its peak, the largest mass tort in American legal history by case volume, over 300,000 active cases in the multidistrict litigation in the Northern District of Florida. The case alleged that 3M supplied defective earplugs to the U.S. military from 2003 to 2015, that 3M knew of the defect before the contract began, and that millions of veterans and servicemembers suffered permanent hearing loss and tinnitus as a result of using earplugs that didn't provide the advertised noise protection level.
The specific defect involved the dual-ended earplug design. The Combat Arms Earplugs Version 2 (CAEv2) were designed with two ends: one providing steady-state noise protection, the other providing impulse noise protection while allowing situational awareness. 3M and its predecessor Aearo Technologies knew that the earplug was too short for proper insertion in many ears (allowing the flanges to fold back and break the seal) and never adequately disclosed this fitting limitation to the military or users.
The $6 Billion Settlement
After years of MDL litigation (including over 16 bellwether trials producing mixed results) 3M reached a $6.01 billion global settlement in August 2023. The settlement covered eligible claimants enrolled in the MDL through a claims resolution process administered by a Special Master. Consulting experienced mass tort attorneys can help evaluate your specific claim. Payments were distributed through a tiered point system based on documented injury severity, with hearing loss cases receiving different point allocations than tinnitus-only cases.
The settlement distribution occurred in multiple payment waves starting in mid-2024. Claimants who accepted settlement offers received varying amounts depending on: their injury tier, the number of qualifying years of service and earplug exposure, whether audiological testing documented specific hearing loss thresholds, and attorneys' fees and costs. While 3M characterized the settlement as providing appropriate compensation, many veterans with severe bilateral hearing loss have noted that individual payments (often tens of thousands of dollars) fall well below what the injury's lifetime impact represents economically.
Veterans Who May Still Have Unclaimed Rights
Not all veterans affected by the defective earplugs filed claims in the MDL. Veterans who used the Combat Arms Earplugs Version 2 (dual-sided olive/yellow earplug, approximately 3.25 inches long) during service between 2003 and 2015 and who have subsequently been diagnosed with any degree of hearing loss or tinnitus may still have potential claims. The settlement's opt-out provisions and ongoing bankruptcy proceedings involving Aearo Technologies create a complex legal landscape that mass tort attorneys with 3M earplug experience can navigate.
3M also separately settled cases involving hearing damage from other military-use products and continues to face litigation from government contractors and non-military users of defective Aearo products. Related: other defective medical device cases and our pharmaceutical MDL tracker.
Average Payout: What Veterans Received
The $6 billion fund was distributed based on a tiered injury matrix. Rough averages reported by plaintiff law firms include: tinnitus-only cases approximately $15,000-$40,000; mild to moderate hearing loss cases approximately $30,000-$80,000; severe bilateral hearing loss cases approximately $100,000-$250,000+; cases with significant additional complications (balance disorders, cognitive impact) potentially higher. These are averages across a massively varied claimant population; individual outcomes varied significantly based on documentation, military branch records, and audiological evidence quality.
How to File a Claim or Get Help
If you believe you qualify based on the eligibility criteria outlined above, the next step is a free consultation with an experienced attorney who handles this case type. Most plaintiff-side attorneys offer no-cost initial evaluations and work on contingency, meaning you pay nothing unless your case results in a recovery. Bring any relevant documentation to your consultation: receipts, medical records, correspondence, or any evidence of the harm you experienced.
To stay current on case developments, claim deadlines, and settlement news, bookmark this page and subscribe to the LawsuitWatch newsletter. We update our coverage as new court filings, settlement announcements, and eligibility changes are made public.
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3M Earplug Lawsuit Average Payout: Settlement Breakdown: Frequently Asked Questions
Answers to the most common questions about this case and your legal options.
Which 3M earplugs were defective?
The defective product is the Combat Arms Earplugs Version 2 (CAEv2), a dual-sided, olive/yellow earplug approximately 3.25 inches long. These earplugs were supplied to the U.S. military under contract and distributed to servicemembers from approximately 2003 to 2015. 3M discontinued the product in 2015.
Did I have to be in combat to qualify for the 3M earplug settlement?
No. Any U.S. servicemember or veteran who used the CAEv2 earplugs during military service between 2003 and 2015 and subsequently experienced hearing loss or tinnitus could potentially qualify, regardless of deployment location or whether they were in active combat. Exposure during training, on base, or in support roles was also covered.
The 3M settlement happened, can I still file a new claim?
The MDL settlement closed enrollment at a specific date. Veterans who missed the enrollment deadline may have limited remaining options depending on whether they preserved individual state court rights and the applicable statute of limitations. Consult a mass tort attorney immediately if you believe you have unclaimed rights, deadlines in this litigation are strict.
How did 3M know about the earplug defect?
Internal 3M and Aearo Technologies documents produced in discovery showed that the company conducted internal testing in the early 2000s that revealed the flanges could fold back during insertion, breaking the acoustic seal. A key piece of evidence was an internal test report by an Aearo engineer that referenced the plug being 'too short for proper use.' The company proceeded with military contracting without disclosing this known issue.
Why did some 3M earplug cases lose at trial?
Of the 16+ bellwether trials, results were mixed, some plaintiff verdicts, some defense verdicts. Defense wins typically involved cases where audiological evidence was weak, where service records did not clearly establish CAEv2 use, or where the plaintiff's hearing loss could be attributable to other noise exposure sources. Case quality and documentation strength varied significantly across the massive MDL claimant population.
Legal Disclaimer
This article is for general informational purposes only and does not constitute legal advice or create an attorney-client relationship. Lawsuit eligibility, settlement amounts, and case status are subject to change as litigation develops. Always consult a licensed attorney in your jurisdiction before making legal decisions. LawsuitWatch is an independent journalism publication and is not a law firm. LawsuitWatch may receive referral compensation from affiliated legal service providers, which does not influence editorial content.