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Gregory Halperin

Greg Halperin is a trial lawyer with experience spanning more than 170 trial days. He has particular expertise representing clients in the life sciences industry in complex product liability and mass tort litigation.
As a member of eight trial teams, Greg has experience crafting opening statements and closing arguments, and examining key fact and expert witnesses at trial. Greg was a member of the team that tried the first opioids case involving wholesale distributors to verdict, resulting in a complete defense win. He also participated in trial wins involving Pradaxa and Roundup.

Greg is skilled in all stages of litigation, including taking and defending depositions, preparing witnesses, and drafting Daubert and dispositive motions. He has argued numerous motions in state and federal court, including recently in the first multi-plaintiff trial in St. Louis involving allegations that Roundup causes non-Hodgkin’s lymphoma. He also represents clients on appeal and has authored amicus briefs before the United States Supreme Court.

Super Lawyers has recognized Greg as a Products Liability “Rising Star,” and Best Lawyers has named him on its “Ones to Watch” list for Product Liability and Mass Tort Litigation.

Greg joined Covington following a clerkship with the Honorable Paul V. Niemeyer on the United States Court of Appeals for the Fourth Circuit. Prior to his clerkship, Greg graduated magna cum laude from Harvard Law School, where he served as an Executive Editor of the Harvard Law Review.

Courts and litigants continue to grapple with the new frontier of artificial intelligence (“AI”).  One recent case in California demonstrates a new wrinkle in this evolving landscape—the use of AI to aggregate class claims.

Because class settlements bind absent class members who do not object or opt out, Rule 23 requires courts to carefully review and approve them as “fair, reasonable, and adequate.”  An important part of this inquiry is making sure class members are given adequate notice of the terms of the proposed settlement and their rights.  When class members are required to submit claims to access settlement benefits, parties often turn to professional claims administration companies to assist in providing notice and facilitating the claims process.  Under Rule 23, courts closely monitor the information that flows from class counsel and claims administrators to putative class members to make sure it complies with due process.Continue Reading California Federal Court Clamps Down on ‘En Masse’ Class Claims Identified by AI