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David B. Siegel

Phone: +1 202.624.2662
1001 Pennsylvania Avenue NW
Washington, DC 20004-2595

David B. Siegel practices in complex litigation, toxic tort and products litigation and counseling. He was a longstanding member of Crowell & Moring's Management Board and a former chair of the firm's Litigation Group. David has served as national coordinating counsel and national strategic counsel for companies with national "mass tort" litigations involving claims of both property damage and personal injury. David also has significant experience in working with clients to improve the cost effectiveness of large-scale litigation through the expanded use of technology and use of law firm networks to efficiently manage national litigation.

David received his B.A. (summa cum laude) and M.A. from the University of Pennsylvania in 1975. He received his J.D. from Penn in 1979. He clerked for The Honorable Clarence C. Newcomer of the United States District Court for the Eastern District of Pennsylvania in 1979 before joining Crowell & Moring in 1981.

David is a member of the bars of the District of Columbia, various district and courts of appeal, and the Supreme Court of the United States.

He served as Caterpillar's national counsel in the welding rod litigation and in the Company's friction products liability litigation. He served as national counsel for the American Psychiatric Association in the Ritalin class action litigation. He has served as national counsel for DuPont in the Company's premises liability litigation and in the silica and benzene litigations. David was inducted into the DuPont Leaders Circle. He also regularly provides strategic counseling for companies with a range of toxic tort or products liability claims. David served as national counsel for a major manufacturer of building products in the asbestos-in-buildings litigation.

Finally, David has counseled clients who were considering purchasing or investing in companies that face potential tort liabilities—including assessing potential risks and benefits of such proposed transactions as well as possible structures for such transactions.


  • University of Pennsylvania, M.A. (1975)
  • University of Pennsylvania, B.A. (1975) summa cum laude
  • University of Pennsylvania Law School, J.D. (1979)


Admitted to practice: District of Columbia, U.S. Supreme Court

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Crowell & Moring LLP is an international law firm with offices in the United States, Europe, MENA, and Asia that represents clients in litigation and arbitration, regulatory and policy, and transactional and corporate matters. The firm is internationally recognized for its representation of Fortune 500 companies in high-stakes litigation and government-facing matters, as well as its ongoing commitment to pro bono service and diversity, equity, and inclusion.

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