David Klingsberg

Retired Partner

David Klingsberg is a retired partner of the firm . He chaired constituent firm Kaye Scholer's Executive Committee for an eight-year term (1997–2004). Before joining the firm, he was Chief Appellate Attorney and an Assistant United States Attorney in the Southern District of New York, an attorney with the United States Department of Justice, and law clerk to a federal judge.

On April 27, 1998, in recognition of two death penalty cases he argued in the U.S. Supreme Court -- Beck v Alabama, 447 U.S. 625 (1980) in which the Supreme Court found the state's capital punishment statute to be unconstitutional and Lowenfield v. Phelps, 484 U.S. 231 (1988)—he received the Association of the Bar of the City of New York's Thurgood Marshall Award for contribution to the representation of human beings who are under a sentence of death.

He was the recipient of the Legal Aid Society's 2008 Pro Bono Award for outstanding service to the Society and its clients ;for preparing an amicus brief resulting in a landmark decision prohibiting the administrative imposition of Post Release Supervision. He also was presented with the Society's Award for Outstanding Pro Bono Service in 2005, and with its Public Interest Leadership Award in 2001.

His practice focused on trial and appellate work including arguing Jefferson County Pharm. Assn. v. Abbott Labs., 460 U.S. 150 (1983), an antitrust case, representing plaintiff electric utility in a suit against the manufacturer of the Three Mile Island plant, representing an electric utility against manufacturers in the trial of the Electrical Equipment Price Fixing case as well as acting as national coordinating counsel and trial and appellate counsel in multidistrict product liability and antitrust litigations.

Mr. Klingsberg has been a Visiting Lecturer at Rutgers School of Law from 2005 to 2010, and an Adjunct Professor of Law at the University Miami School of Law, where he taught Complex Civil Litigation in 2013 to 2014.


  • LLB, Yale Law School
  • BS, New York University, magna cum laude
  • New York
  • Supreme Court of the United States
  • Fellow, American College of Trial Lawyers
  • Chair, Antitrust and Trade Regulation Committee (1986-1989), Association of the Bar of the City of New York
  • Past Director and Board of Advisors, Legal Aid Society

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