Mark S. Cheffo

New York

Practice Area: Product Liability, Mass Torts

    All Star


    “Mr. Cheffo has good foresight and gives advice proactively.”
    “He is not just reacting when a problem arises or shifts.”


    "For me, client service is defined by putting myself in my client’s shoes and asking myself everyday what I would want, need and expect. Superlative client service also means thinking strategically and seeing the long term, both in periods of calm and crisis."

    – Mark S. Cheffo


    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.

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