Ruth Dapper is a litigator who focuses her practice on defending against class and mass actions. Her practice includes litigation of consumer class actions and product liability, mass tort, pharmaceutical, and medical device litigation, including in coordinated proceedings and multidistrict litigation.

Ruth has defeated contested motions for class certification in federal and state courts. She has also successfully obtained orders granting motions to dismiss and summary judgment in favor of her clients in putative class actions.  

Ruth began her legal career with clerkships in the federal and state courts, including serving as a judicial clerk for District Judge Anthony J. Battaglia (United States District Court for the Southern District of California); Magistrate Judge Jeanne J. Graham (United States District Court for the District of Minnesota); and Judge Wilhelmina M. Wright and John P. Smith (Minnesota Court of Appeals). 

Ruth contributes to legal scholarship, and has had articles published in the Federal Courts Law Review, the Federal Lawyer, the Bencher, and has a forthcoming publication in the online supplement to the Notre Dame Law Review. One law review article authored by Ruth has been cited in decisions by numerous federal courts around the United States.

In both 2019 and 2020, Ruth was selected to the SuperLawyers list of Rising Stars.