Mark Cheffo

Partner with Dechert LLP

Mark S. Cheffo is co-chair of Dechert’s product liability and mass torts practice and has extensive experience serving as national coordinating and trial counsel in complex product liability, insurance and mass torts litigation. He acts for corporations and individuals in the pharmaceutical, medical device manufacturing, bioengineering, insurance and industrial products industries, amongst others. Mr. Cheffo has also handled numerous toxic and environmental exposure suits.

Mr. Cheffo has taken part in several trial teams in high-profile pharmaceutical litigation, managing all stages of a dispute from negotiation, through pre-trial proceedings to trial. In addition to defending expert and company witness depositions, Mr. Cheffo has briefed and conducted numerous Daubert and Frye challenges. He has also briefed and argued dispositive motions and appeals in state and federal courts throughout the United States. Mr. Cheffo also has considerable experience conducting arbitrations and mediations relating to disputes.

Widely recognized as a leader in the field, Mr. Cheffo is ranked in Band 1 by Chambers USA for product liability matters. He has also been named as a “Litigator of the Week” by The American Lawyer. Recently, Mr. Cheffo was listed by BTI Consulting Group as a 2022 Client Service All-Star. In 2019 and 2020, Mr. Cheffo was selected as one of Law360’s MVPs of the Year in the Product Liability category. Recently, Mr. Cheffo was named Product Liability Attorney of the Year by LMG Life Sciences. He was also recognized as a Global Elite Thought Leader for Life Sciences – Product Liability by Who’s Who Legal in 2020 and honored as Life Sciences Lawyer of the Year at the Who’s Who Legal Awards 2020. He is part of a product liability team that has won numerous accolades over the last two decades, including most recently in 2018 and 2019 as Practice Group of the Year for Product Liability by Law360 and Litigation Department of the Year for Product Liability by New York Law Journal in 2019 and 2020.

Mr. Cheffo maintains an active pro bono practice, assisting clients in a variety of matters. Most notably, he obtained a judgment of more than US$1.7 million for liability and legal fees on behalf of 11 restaurant workers in New York’s Chinatown. He also obtained a jury verdict in a defamation case and obtained a directed verdict in a case brought by three plaintiffs who had been shot while in prison.
Prior to joining Dechert, Mr. Cheffo was co-chair of Quinn Emanuel Urquhart & Sullivan’s global product liability and mass torts practice.

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