Katherine Armstrong

• A major paper manufacturer in several class actions and multi-plaintiff lawsuits involving environmental claims.
• A pharmaceutical manufacturer of a recalled generic medicine in a nationwide, personal injury/product liability class action.
  
• A major medical device manufacturer in numerous putative class actions across the country in cases involving a variety of products. Prevailed in arguments challenging class certification and obtained several dismissals on grounds of preemption.  
  
• A major insurer in litigation brought by or against the states of Mississippi and Louisiana. Prevailed in arguments challenging federal jurisdiction, including on appeal. 
  
• A pharmaceutical company in two MDLs (now closed) and state court cases in which plaintiffs alleged an increased risk of birth defects from use of the company’s prescription medicines during pregnancy.
  
• Firefighting foam manufacturers in individual and class action product liability lawsuits.
• A medical device manufacturer in consolidated and multidistrict product liability lawsuits.  
  

Includes matters handled at Dechert or prior to joining the firm.