Daniel Berger graduated with honors from Princeton University and Columbia Law School, where he was a Harlan Fiske Stone academic scholar. He is a senior member and Executive Shareholder. Over the last two decades, he has been involved in complicated commercial litigation including class action securities, antitrust, consumer protection and bankruptcy cases. In addition, he has prosecuted important environmental, mass tort and civil rights cases during this period. He has led the Firm’s practice involving improprieties in the marketing of prescription drugs and the abuse of marketing exclusivities in the pharmaceutical industry, including handling landmark cases involving the suppression of generic competition in the pharmaceutical industry. For this work, he has been recognized by the Law360 publication as a “titan” of the plaintiffs’ Bar (“Titan of the Plaintiffs Bar: Daniel Berger” Law360, September 23, 2014).

In the civil rights area, he has been counsel in informed consent cases involving biomedical research and human experimentation by federal and state governmental entities. He also leads the firm’s representation of states and other public bodies and agencies.

Mr. Berger has frequently represented public institutional investors in securities litigation, including representing the state pension funds of Pennsylvania, Ohio and New Jersey in both individual and class action litigation. He also represents Pennsylvania and New Jersey on important environmental litigation involving contamination of groundwater by gasoline manufacturers and marketers.

Mr. Berger has a background in the study of economics, having done graduate-level work in applied microeconomics and macroeconomic theory, the business cycle, and economic history. He has published law review articles in the Yale Law Journal, the Duke University Journal of Law and Contemporary Problems, the University of San Francisco Law Review and the New York Law School Law Review. Mr. Berger is also an author and journalist who has been published in The Nation magazine, reviewed books for The Philadelphia Inquirer and authored a number of political blogs, including in The Huffington Post and the Roosevelt Institute’s New Deal 2.0. He has also appeared on MSNBC as a political commentator.

Mr. Berger has been active in city government in Philadelphia and was a member of the Mayor’s Cultural Advisory Council, advising the Mayor of Philadelphia on arts policy, and the Philadelphia Cultural Fund, which was responsible for all City grants to arts organizations. Mr. Berger was also a member of the Pennsylvania Humanities Council, one of the State organizations through which the NEA makes grants. Mr. Berger also serves on the board of the Wilma Theater, Philadelphia’s pre-eminent theater for new plays and playwrights.

Professional Leadership

  • Worked with the American Law Institute/American Bar Association program on continuing legal education.

Business and Community Leadership

  • Member, Mayor’s Cultural Advisory Council, advising the Mayor on arts policy;
  • Member, Philadelphia Cultural Fund, a non-profit responsible for all city grants to arts organizations;
  • Member, Pennsylvania Humanities Council, one of the state organizations through which the NEA makes grants. affiliated with the Kennedy School of Government through the Shorenstein Center of Media and Public Policy at Harvard University;
  • Partner of the Democracy Alliance.

Prominent Judgments and Settlements

In the antitrust area, Mr. Berger has led the firm’s involvement in highly successful litigation against brand and generic prescription drug manufacturers in which the Berger Firm has been co-lead counsel, a member of various executive committees or otherwise played a key role including the following cases:

  • In re TriCor Antitrust Litig., No. 02‑1512 (D. Del.) (settled in 2009 for $250 million)
  • In re Ovcon 35 Antitrust Litigation, MDL No. 1747 (D.D.C.) (settled in 2008 for $22 million)
  • In re Terazosin Hydrochloride Antitrust Litig., MDL No. 1317 (S.D. Fla. 2005) (settled in 2005 for $74.5 million)
  • In re Remeron Antitrust Litig., No.03‑0085 (D.N.J. 2003) (settled in 2005 for $75 million)
  • In re Relafen Antitrust Litig., No. 01-12239-WGY (D. Mass. 2003) (settled in 2004 for $175 million)
  • In re Buspirone Antitrust Litig., MDL No. 1410 (S.D.N.Y.) (settled in 2003 for $220 million)
  • In re Cardizem CD Antitrust Litig., MDL No. 1278 (E.D. Mich.) (settled in 2002 for $110 million)

He also leads the Firm’s involvement in environmental litigation to recover the costs of remediation for contamination to the groundwater resources of Pennsylvania and New Jersey by gasoline manufacturers and marketers. So far, New Jersey has recovered approximately $100 million in its ongoing litigation. He was a key lawyer in the Firm’s successful representation of school districts in a class action to recover the cost of asbestos abatement which was settled for over $200 million in 1990. He also played a key role in the Three Mile Island property damage litigation, which obtained compensation for property damage and novel medical monitoring relief. Three Mile Island Litigation ($25 million settlement in 1981).

In the securities area, he has represented the City of Philadelphia in the Ikon Office Solutions Securities Litigation (settled in 2000 for $111 million); Commonwealth of Pennsylvania Pension Funds PSERS and SERS v. AOL-Time Warner (opt-out litigation settled for $23 million in 2003), and the state of Ohio in In re Merrill Lynch Securities Litigation (settled in 2009 for $475 million).

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Honors & Awards

  • 2023 Edition “Lawyer of the Year” by Best Lawyers
  • Named 2023 Best Lawyers for Employment Law & Securities Litigation
  • Named 2021 Securities Lawyer of the Year in Philadelphia by Best Lawyers
  • Best Lawyers: 2020 – 2021
  • Super Lawyers: 2005 – 2018, 2020 – 2021
  • Named a Lawdragon 500 Leading Plaintiff Financial Lawyer (2019 – 2020), 2022


  • Mr. Berger is an author who has published in The Nation magazine and reviewed books for The Philadelphia Inquirer; published articles in the Yale Law Journal, the Duke Law School Journal of Law and Contemporary Problems, the University of San Francisco Law Review and the New York Law School Law Review.
  • Included in his publications are:
  • Fall 2004 Symposium: Soaring Prices for Prescription Drugs: Just Rewards for Innovations or Antitrust Violations? 39 U.S.F. L. Rev. 81 (2004) (with Eric Cramer)
  • Scientific Misconceptions Among Daubert Gatekeepers: The Need for Reform of Expert Review Procedures, 64-SUM Law & Contemp. Probs. 327 (Spring/Summer 2001) (with Jan Beyea)


  • Member – Pennsylvania Bar
  • Admitted – Eastern District of Pennsylvania
  • Admitted – Sixth Circuit Court of Appeals
  • Admitted – Tenth Circuit Court of Appeals
  • Admitted – Eleventh Circuit Court of Appeals