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Jason E. Kornmehl


Jason Kornmehl has represented multinational corporations, financial institutions, prominent individuals and foreign sovereigns in state and federal courts in a variety of areas, including antitrust, securities, disputes arising out of mergers and acquisitions, environmental, products liability, bankruptcy, tax and other complex commercial litigation matters.  Jason has written numerous articles, which have been published in the Pepperdine Law Review, NYU Journal of Legislation & Public Policy, Seattle University Law Review, Journal of Maritime Law & Commerce, New York Business Law Journal and Intellectual Property Litigator, among others.

Bar admissionsNew JerseyNew York
CourtsSupreme Court of the United StatesUnited States Court of Appeals for the Second CircuitUnited States Court of Appeals for the Third CircuitUnited States District Court for the District of New JerseyUnited States District Court for the Southern District of New YorkUnited States District Court for the Eastern District of New YorkUnited States District Court for the Eastern District of Wisconsin


  • Representing leading pharmaceutical company in multidistrict litigation asserting consumer fraud claims and alleging economic damages from purported presence of a nitrosamine in prescription medication
  • Representing agricultural cooperative in eight putative class actions challenging product labeling as false or misleading under state and federal consumer protection laws, including securing dismissal of three actions and obtaining summary judgment in another
  • Represented a Latin American country in numerous breach of contract actions in cross-border litigation, including actions relating to complex GDP-linked Securities and actions relating to alleged expropriation of majority stake in oil company
  • Represented a leading multinational company and certain individual officers in securing dismissal of putative securities class action premised on cartel investigation by foreign antitrust regulators and successfully defended the decision on appeal
  • Represented an Australian bank in putative class action asserting Commodity Exchange Act, antitrust, and RICO claims premised on alleged  manipulation of foreign exchange benchmark
  • Represented a major financial institution in litigation in U.S. Tax Court and IRS administrative proceedings
  • Represented one of the world’s largest automobile manufacturers in numerous federal and state actions, including class action litigation, opt-out litigation, and regulatory investigations
  • Represented CFO of pharmaceutical company in securities litigation asserting claims under Sections 10(b), 14(e), and 20(a) of Exchange Act
  • Represented numerous entities, including financial institutions, law firm, and oil and gas company, in responding to subpoenas in federal and state courts
  • J.D., The George Washington University Law School, cum laude, George Washington Law Review
  • B.A., Rutgers University – New Brunswick, summa cum laude, Phi Beta Kappa


  • New York Super Lawyers – Recognized as a “Rising Star” in Appellate and Civil Litigation (2020-2023)
  • The Best Lawyers in America: Ones to Watch for Appellate Practice and Commercial Litigation (2022-2024)


  • Static and Dynamic Debt under the Fair Debt Collection Practices Act, 2021 Denv. L. Rev. F. 1 (2021)
  • Abatement Ab Initio in New Jersey and the Evolving Legal Landscape, 72 Rutgers L. Rev. Cmnts. 28 (2020)
  • Ericsson and a New Frontier for the Waiver by Litigation Conduct Doctrine, 2018 Pepp. L. Rev. 1 (2018)
  • Eleventh Circuit Reaffirms Registration Approach to Copyright Act § 411(a), 23 Intell. Prop. Litig. 5 (2017)
  • Arbitration Vacatur Motions and Equitable Tolling in New York, 21 N.Y. Bus. L.J. 11 (2017)
  • In re Revel: Third Circuit Clarifies Standard for Stays Pending Appeal, 12 Pratt’s J. Bankr. L. 92 (2016)
  • Reconsidering the Speedy Trial Clause’s Applicability to Sentencing, Crim. L. Rep. (BNA) No. 98 (2016)
  • Waiver of the Privilege Against Self-Incrimination in Congressional Investigations, 2015 N.Y.U. J. Legis. & Pub. Pol’y 48 (2015)
  • Parker Immunity and the Collateral Order Doctrine in Antitrust Litigation, 39 Seattle U. L. Rev. 1 (2015)
  • The Seasonal Operations Test in Professional Sports, Daily Lab. Rep. (BNA) No. 215 (2014)

Clerk Experience

  • The Honorable Faustino J. Fernandez-Vina, Supreme Court of New Jersey, 2016-2017
  • The Honorable Sally D. Adkins, Supreme Court of Maryland, 2015-2016

Prior Experience

Before joining DLA Piper, Jason was an associate in the litigation department of a leading international law firm.

Memberships And Affiliations

  • Federal Bar Council