Jeffrey G. Weil, Esq.


Jeffrey Weil

Title: Co-Chair of the Litigation Section and Chair of the Commercial Litigation Department
Company: Cozen O’Connor, PC
Location: Wayne, Pennsylvania, United States

Jeffrey G. Weil, Esq., Co-Chair of the Litigation Section and Chair of the Commercial Litigation Department at Cozen O’Connor, PC, has been recognized by Marquis Who’s Who Top Lawyers for dedication, achievements, and leadership in class action litigation.

Drawing upon more than 40 years of practiced industry experience, Mr. Weil is a prominent litigator who has been serving as the co-chair of the litigation section and chair of the commercial litigation department at Cozen O’Connor, PC, in Philadelphia, PA, since 2008. Alongside these appointments, he has also been a member of the management committee and board of directors at the prestigious firm since 2008. Focusing his practice on commercial litigation, securities litigation and SEC enforcement, professional liability and antitrust law, Mr. Weil has extensive experience in all facets of class action litigation. Boasting further experience in accounting and legal malpractice cases, he has tried numerous cases to judgment and has argued in both federal and state appellate courts. Prior to serving in these illustrious roles, he served Dechert LLP in Philadelphia as a member of the executive committee, chairman of the firm hiring committee, partner and associate between 1976 and 2008.

To prepare for his professional endeavors, Mr. Weil pursued formal education at the Woodrow Wilson School of Public and International Affairs at Princeton University, receiving a Bachelor of Arts in 1973 and receiving a Woodrow Wilson School Scholarship. Thereafter, he attended Harvard Law School, where he earned a Doctor of Jurisprudence. He has been admitted to practice law in the state of Pennsylvania, as well as before the United States Supreme Court, the United States Court of Appeals for the Third Circuit, and the United States District Court for the Eastern District of Pennsylvania.

A member of the American Law Institute, Mr. Weil is active in his civic duties, having been a graduate of Leadership, Inc., a nonprofit program designed to select and train civic leaders in Philadelphia. In addition, he has maintained affiliation on the boards of the United Way, the Pennsylvania Wildlife Federation, the Hawk Mountain Sanctuary and the Barnes Foundation. In recognition of his outstanding contributions to the legal industry, Mr. Weil has been named to the Best Lawyers in America since 2009 and Chambers USA since 2016. He has been highlighted in several editions of Who’s Who in America, Who’s Who in American Law, Who’s Who in the East and Who’s Who in the World.

For more information, please visit:

Lifetime Achievement

Jeffrey G. Weil Profile on Cozen O’Connor

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