3M Combat Arms Earplugs Lawsuit Information and Case Evaluation

3M Combat Arms Earplugs Lawsuit


In 2003, the US military ordered The Dual-Ended Combat Arms™ Earplugs, Version 2 (CAEv2) from Aearo Technologies.  In 2008, 3M acquired Aearo Technologies and all its liabilities for $1.2 Billion.

From 2003 to 2015, 3M supplied a maximum of 2.2 million earplugs to the US military to use in war zones in Iraq and Afghanistan, as an exclusive supplier for the US military for earplugs. Aero Technologies and subsequently 3M only sold the earplugs exclusively to the military. The earplugs were said to provide two levels of protection.  One end of the earplugs was supposed to block all noise; the other side was intended to protect the eardrums from gunfire and loud explosions while allowing the user to communicate freely. The failure of dual-ended Combat Arms Ear Plugs (version 2) to protect soldiers’ ears has resulted in tinnitus (ringing or buzzing of the ears) as well as partial or full hearing loss.

In 2016, a Whistleblower lawsuit was filed under the “False Claims Act” by a competing Ear Plug manufacturer, Moldex Metric Inc. The lawsuit alleged that 3M and Aearo Technologies both knew the earplugs where defective, and they even faked bogus tests to meet the US military's standards.  In 2018, 3M settled the lawsuit with the US Department of Justice for $9.1 Million.

If you are a veteran who used 3M Combat Arms Earplugs, call Langston and Lott, PLLC today to speak with a experienced attorney or complete our online case evaluation by following the link above and let our law firm get to work for you.

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