John D. Huh


  • John D. Huh
  • Phone: +1 215 979 1988
    Fax: +1 215 754 0912

    John D. Huh - LinkedIn Import to Address Book

  • Duane Morris LLP
    30 South 17th Street
    Philadelphia, PA 19103-4196

John D. Huh focuses his practice on litigation, government investigations and compliance, concentrating in the fields of competition law and consumer protection. Mr. Huh has over fifteen years of litigation and arbitration experience that includes successfully representing clients dealing with antitrust claims, class action lawsuits, business/economic torts and commercial claims, as well as False Claims Act and other fraud claims. He also has substantial experience litigating the enforcement of non-competition and non-solicitation provisions, as well as other competition-related restrictive covenants, in various types of business agreements.

In addition to experience with overseeing and conducting internal investigations, Mr. Huh has extensive experience representing individuals and companies in government investigations and enforcement actions conducted by state and federal agencies, including the Federal Trade Commission, the Department of Justice, the Securities & Exchange Commission and state attorneys general. He has successfully secured closures of federal and state investigations, without any penalty or concession, involving allegations of deceptive marketing practices, collusion, monopolization, anticompetitive information sharing, violations of telemarketing regulations and unfair business practices.

Mr. Huh also frequently assists companies in developing and implementing, among others, global antitrust and competition law compliance policies and practices. He also routinely oversees and conducts legal risk assessments of clients' business practices and strategies, and subsequently provides legal advice that advances the clients' business objectives in a strategic yet efficient manner.

Mr. Huh additionally counsels clients by providing analyses on the competitive effects of potential mergers and acquisitions, as well as other business decisions. He regularly navigates clients through the process of reporting proposed transactions to the federal antitrust agencies under the HSR Act.

Mr. Huh is a 2006 cum laude graduate of Temple University Beasley School of Law, where he was editor of the Temple Law Review, and a cum laude graduate of Dickinson College. Prior to entering private practice, Mr. Huh served as judicial law clerk to the Hon. William H. Yohn, Jr., of the U.S. District Court for the Eastern District of Pennsylvania. He speaks Korean.


Representative Matters

    Litigations & Arbitrations

  • Successfully prosecuted claims for breach of an exclusive licensing agreement, and obtained a final judgment in favor of a life sciences company, which included a permanent injunction, millions in monetary damages, and attorneys' fees and costs.

  • Successfully precluded representative plaintiffs from seeking certification of a national class of plaintiffs in federal court by persuading the court to strike class related allegations against a technology company at the early stages of litigation.

  • Secured summary judgment in favor of a leading manufacturer of medical devices in an antitrust action initiated by a competitor and involving allegations of monopolization and unreasonable restraints on trade.

  • After an evidentiary hearing spanning weeks and numerous fact and expert witnesses, obtained a final judgment, including for attorneys' fees and costs, in favor of a pharmaceutical company in a commercial dispute over the obligations in an asset purchase agreement relating to the acquisition of a patented drug.

  • Obtained a precedent setting denial of class certification on behalf of a financial services company primarily through advocating for the applicability of the preponderance of the evidence standard to the numerosity requirement for class certification.

  • Secured a preliminary injunction for medical device companies in an arbitration involving an exclusive licensing agreement and sub-license agreements.

  • Government Investigations

  • Secured the closure of an investigation, without any penalty or concession, of a leading distributor of medical devices conducted by the Federal Trade Commission and involving allegations of unfair business practices, unreasonable vertical restraints on competition, and monopolization.

  • Successfully represented a leading company in the home goods sector in an antitrust investigation involving a hub-and-spoke theory of collusion conducted by the Department of Justice.

  • Defended and obtained favorable resolutions for a leading financial services company in consumer protection investigations conducted by the Federal Trade Commission and numerous state Attorneys General based on allegations of unfair competition and improper marketing practices.


  • Pennsylvania
  • New Jersey
  • U.S. Bankruptcy Court for the Eastern District of Pennsylvania
  • U.S. District Court for the District of New Jersey
  • U.S. Court of Appeals for the Second Circuit
  • U.S. Court of Appeals for the Third Circuit
  • U.S. Court of Appeals for the Fifth Circuit
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. Court of Appeals for the Tenth Circuit
  • U.S. Court of Appeals for the Eleventh Circuit


  • Temple University Beasley School of Law, J.D., cum laude, 2006
    - Editor, Temple Law Review
  • Dickinson College, B.A., cum laude, 2003


  • Duane Morris LLP
    - Partner, 2021-present
  • DLA Piper LLP
    - Partner, 2016-2021
    - Associate, 2007-2015
  • U.S. District Court for the Eastern District of Pennsylvania
    - Judicial Law Clerk to the Hon. William H. Yohn, Jr.

Professional Activities

  • American Bar Association
    - Former Vice Chair, YLD Litigation Committee
  • Pennsylvania Bar Association
  • Philadelphia Bar Association
  • Asian Pacific American Bar Association of Pennsylvania
    - Board of Directors
    - Executive Committee
    - Chair, Judicial Nomination Committee
    - Chair, In-House Committee
  • National Asian Pacific American Bar Association
  • Leadership Council on Legal Diversity
    - Fellow, 2018
  • The Pennsylvania State University
    - Adjunct Professor
  • Villanova University Charles Widger School of Law
    - Guest Lecturer, Corporate Compliance and Competition Law

Honors and Awards

  • Recipient, Thaddeus Stevens Partnership Pro Bono Award

  • Listed in The Legal 500 United States for Antitrust Litigation

  • Named a 2013 Lawyer on the Fast Track by the Legal Intelligencer

  • Listed in Pennsylvania Super Lawyers Rising Stars, 2010 and 2011

Civic and Charitable Activities

  • Center for Literacy
    - Board of Directors
  • Public Interest Law Center of Philadelphia
    - Board of Trustees

Selected Publications

  • “CFPB and FTC Agree to Coordinate Enforcement Efforts,” DRI: For the Defense, June 2015

  • “FTC Recalibrates Its Sights on Disgorgement of Profits,” The Legal Intelligencer

  • “How Federal Antitrust Laws Impact Business in the Keystone State,” Pennsylvania Law Weekly

  • “Company Uses Antitrust Amnesty Agreement as Shield Against DOJ,” Antitrust Litigation Reporter

  • “The People’s Republic of China Enacts its First Comprehensive Antitrust Law: Trying to Predict the Unpredictable,” New York University Journal of Law and Business

  • “FCC’s New Rules Change the Telemarketing Landscape,” The Legal Intelligencer, October 29, 2013

  • “Cartel Enforcement Worldwide,” (U.S. Chapter), CMP Publishing Ltd.