Harry Litman

T: 415.639.4001
F: 415.639.4002

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Harry Litman is Of Counsel with the law firm of Constantine Cannon. Mr. Litman has extensive litigation experience in courts around the country, from state trial courts to the U.S. Supreme Court.  He is listed in “Best Lawyers in America,” (in 3 separate categories — Commercial Litigation, White Collar Criminal Defense, and Qui Tam Law), “Who’s Who in American Law,” and “Who’s Who in America.” His practice focuses primarily on representing whistleblowers in qui tam lawsuits brought under the Federal and various state False Claims Acts.

Prior to joining Constantine Cannon, Mr. Litman practiced at whistleblower firm Phillips & Cohen LLP from 2001 to 2015, specializing in False Claims Act litigation. He separately maintained his own law practice, acting as lead counsel in several significant whistleblower cases and representing corporations and individuals in federal and state courts around the country, including two cases in the U.S. Supreme Court.

From 1998 to 2001, following nomination by the President and unanimous confirmation by the Senate, Mr. Litman served as the United States Attorney for the Western District of Pennsylvania. As United States Attorney, he launched and directed a number of law-enforcement initiatives, while overseeing a 20 percent increase in federal prosecutions and personally litigating cases in both the district court and the court of appeals. In July 2000, Mr. Litman was nominated by the President to a federal judgeship on the U.S. District Court for the Western District of Pennsylvania.

From 1993 until 1998, he served as a Deputy Assistant Attorney General in the Department of Justice, with responsibility for issues of constitutional law and prosecutorial policy. He was simultaneously a Special Assistant United States Attorney litigating federal cases in the Eastern District of Virginia. In 1990, Mr. Litman became an Assistant United States Attorney in the Northern District of California (San Francisco). Prior to that, he worked in private practice.

Mr. Litman graduated in 1986 from the University of California, Berkeley, School of Law (Boalt Hall), where he was editor-in-chief of the California Law Review. Before law school and while a law student, Mr. Litman worked as a sportswriter for Associated Press. Following law school, Mr. Litman served as a law clerk to Judge Abner Mikva of the U.S. Court of Appeals for the D.C. Circuit; Justice Thurgood Marshall of the United States Supreme Court; and Justice Anthony Kennedy of the United States Supreme Court.

Mr. Litman has taught at Berkeley Law School, the Georgetown Law Center, Princeton University, Rutgers University School of Law, the University of Pittsburgh Law School, and the Department of Justice Advocacy Institute, and has published several articles on federal law and practice.

Mr. Litman is admitted to the bar in California and Pennsylvania.

Practice Groups


  • California
  • Pennsylvania


Trump's war on leaks is really a war on whistleblowers
(with Molly Knobler)
CNN.com (August 9, 2017).
Click here to read the article.

Why did Don Jr.'s emails surface? Because Robert Mueller is already changing Washington's lying ways Los Angeles Times (July 14, 2017).
Click here to read the article.

‘Lincoln’s law’: The most important Supreme Court case under the radar Pittsburgh Post-Gazette (June 13, 2016).
Click here to read the article.

The London office of Constantine Cannon is a separate and independent limited liability partnership registered in England and Wales (with registered number OC376384) with a registered office at 1 Paternoster Square, London EC4M 7DX. Constantine Cannon LLP in London is authorised and regulated by the Solicitors Regulation Authority. The word "partner" denotes a member of Constantine Cannon LLP, or an employee or consultant with equivalent standing and qualifications. The professional rules applicable to the firm are available at the SRA website at www.sra.org.uk/rules.