Litigation finance's first big scores was going after med-tech and pharma companies. A lax regulatory environment allowed medical companies to market deadly products that maimed or killed people wholesale - think #Vioxx, #VaginalMeshes or #MetalOnMetal hip replacements (a doc about this, *The Bleeding Edge*, will give you persistent nightmares):

https://en.wikipedia.org/wiki/The_Bleeding_Edge

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